1
40
13
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https://doi.org/10.1016/j.ejca.2021.11.005
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Title
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The potential of combined shear wave and strain elastography to reduce unnecessary biopsies in breast cancer diagnostics - An international, multicentre trial
Creator
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Michael Golatta
André Pfob
Christopher Büsch
Thomas Bruckner
Zaher Alwafai
Corinne Balleyguier
Dirk-André Clevert
Volker Duda
Manuela Goncalo
Ines Gruber
Markus Hahn
Panagiotis Kapetas
Ralf Ohlinger
Matthieu Rutten
Riku Togawa
Mitsuhiro Tozaki
Sebastian Wojcinski
Geraldine Rauch
Joerg Heil
Richard G Barr
Date
A point or period of time associated with an event in the lifecycle of the resource
2022
Description
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Background: Shear wave elastography (SWE) and strain elastography (SE) have shown promising potential in breast cancer diagnostics by evaluating the stiffness of a lesion. Combining these two techniques could further improve the diagnostic performance. We aimed to exploratorily define the cut-offs at which adding combined SWE and SE to B-mode breast ultrasound could help reclassify Breast Imaging Reporting and Data System (BI-RADS) 3-4 lesions to reduce the number of unnecessary breast biopsies.
Methods: We report the secondary results of a prospective, multicentre, international trial (NCT02638935). The trial enrolled 1288 women with BI-RADS 3 to 4c breast masses on conventional B-mode breast ultrasound. All patients underwent SWE and SE (index test) and histopathologic evaluation (reference standard). Reduction of unnecessary biopsies (biopsies in benign lesions) and missed malignancies after recategorising with SWE and SE were the outcome measures.
Results: On performing histopathologic evaluation, 368 of 1288 breast masses were malignant. Following the routine B-mode breast ultrasound assessment, 53.80% (495 of 920 patients) underwent an unnecessary biopsy. After recategorising BI-RADS 4a lesions (SWE cut-off ≥3.70 m/s, SE cut-off ≥1.0), 34.78% (320 of 920 patients) underwent an unnecessary biopsy corresponding to a 35.35% (320 versus 495) reduction of unnecessary biopsies. Malignancies in the new BI-RADS 3 cohort were missed in 1.96% (12 of 612 patients).
Conclusion: Adding combined SWE and SE to routine B-mode breast ultrasound to recategorise BI-RADS 4a patients could help reduce the number of unnecessary biopsies in breast diagnostics by about 35% while keeping the rate of undetected malignancies below the 2% ACR BI-RADS 3 definition.
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Eur J Cancer
. 2022 Jan;161:1-9. doi: 10.1016/j.ejca.2021.11.005. Epub 2021 Dec 5.
Language
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English
2022
BI-RADS
breast ultrasound
Shear wave elastography
Unclear breast lesion
-
Text
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<table width="91" style="border-collapse:collapse;width:330px;"><colgroup><col width="91" style="width:68pt;" /></colgroup><tbody><tr style="height:15pt;"><td width="91" height="20" class="xl18" style="width:68pt;height:15pt;"><a href="http://doi.org/10.1007/s00261-021-03225-2">http://doi.org/10.1007/s00261-021-03225-2</a></td>
</tr></tbody></table>
Pages
5152-5161
Issue
46
NEOMED College
NEOMED College of Medicine
NEOMED Department
Department of Radiology
Update Year & Number
Jan to Aug 2021 list
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Title
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Assessment of chronic liver disease by multiparametric ultrasound: results from a private practice outpatient facility.
Creator
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Aitharaju V; De Silvestri A; Barr RG
Publisher
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Abdominal Radiology
Date
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2021
2021-07-25
Description
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110 consecutive patients with increased skin-to-liver distance scheduled for US assessment of CLD were reviewed for study completion time, liver stiffness values (LS), attenuation imaging, and shear wave dispersion slope. The ROI was placed 2 cm below the liver capsule. The study included patients with NAFLD/NASH (68), hepatitis C (30), prior Fontan surgery (1), elevated liver function tests (5), alcohol abuse (3), hepatitis B (2), and primary biliary cirrhosis (1). IQR/M values were obtained. Comparison of less experienced sonographers (LES) and more experienced sonographers (MES) were evaluated through Student’s t test for independent data. Pearson coefficient r of correlation among quantitative variables was calculated.
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To assess chronic liver disease (CLD) using multiparametric US in a private practice setting in a cohort of patients with increased skin-to-liver distance.
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<table width="91" style="border-collapse:collapse;width:336px;"><colgroup><col width="91" style="width:68pt;" /></colgroup><tbody><tr style="height:15pt;"><td width="91" height="20" class="xl18" style="width:68pt;height:15pt;"><a href="http://doi.org/10.1007/s00261-021-03225-2">http://doi.org/10.1007/s00261-021-03225-2</a></td>
</tr></tbody></table>
Format
The file format, physical medium, or dimensions of the resource
Journal Article
2021
Attenuation coefficient
Liver stiffness
NAFLD
NASH
Shear wave dispersion
Shear wave elastography
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
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<a href="http://doi.org/10.1007/s00261-021-03225-2" target="_blank" rel="noreferrer noopener">http://doi.org/10.1007/s00261-021-03225-2</a>
ISSN
2366-0058
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Update Year & Number
August 2021 List
NEOMED College
NEOMED College of Medicine
NEOMED Department
Department of Radiology
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Title
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Assessment of chronic liver disease by multiparametric ultrasound: results from a private practice outpatient facility.
Publisher
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Abdominal Radiology
Date
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2021
2021-07-25
Subject
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ELASTOGRAPHY; NAFLD; Shear wave elastography; Liver stiffness; NASH; MANAGEMENT; Attenuation coefficient; Shear wave dispersion; FIBROSIS; GUIDELINES; HEPATIC STEATOSIS; RADIATION FORCE IMPULSE; RADIOLOGISTS; SOCIETY; STIFFNESS
Creator
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Aitharaju V; De Silvestri A; Barr RG
Description
An account of the resource
PURPOSE: To assess chronic liver disease (CLD) using multiparametric US in a private practice setting in a cohort of patients with increased skin-to-liver distance. METHODS: 110 consecutive patients with increased skin-to-liver distance scheduled for US assessment of CLD were reviewed for study completion time, liver stiffness values (LS), attenuation imaging, and shear wave dispersion slope. The ROI was placed 2 cm below the liver capsule. The study included patients with NAFLD/NASH (68), hepatitis C (30), prior Fontan surgery (1), elevated liver function tests (5), alcohol abuse (3), hepatitis B (2), and primary biliary cirrhosis (1). IQR/M values were obtained. Comparison of less experienced sonographers (LES) and more experienced sonographers (MES) were evaluated through Student's t test for independent data. Pearson coefficient r of correlation among quantitative variables was calculated. RESULTS: The mean time to perform the exam was 129.7 ± 62.1 s. There was a statistically significant difference between LES and MES. The mean IQR/M for LS was 12.3 ± 5.5% m/s. Overall, in a cohort of difficult patients, 4.5% of LS values were not reliable. Fat quantification using attenuation imaging had a mean value of 0.60 ± 0.15 dB/cm/MHz (range 0.35-0.98 cm/dB/MHz) with an IQR/M of 14.7 ± 9.2%. Less reliable measurements of steatosis were obtained in 4.5% of patients. The mean shear wave dispersion slope was 12.74 ± 4.05 (m/s)/kHz (range 7.7-27.5 (m/s)/kHz) with an IQR/M of 38.7 ± 20.2% (range 3-131%). 20.9% of patients had values suggestive of compensated advanced chronic liver disease (cACLD). CONCLUSION: Multiparametric US can provide assessment of CLD in less than 3 min in most patients and identify patients at risk for cACLD.
Identifier
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<a href="http://doi.org/10.1007/s00261-021-03225-2" target="_blank" rel="noreferrer noopener">10.1007/s00261-021-03225-2</a>
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journalArticle
2021
Abdominal Radiology
Aitharaju V
Attenuation coefficient
August 2021 List
Barr RG
De Silvestri A
Department of Radiology
elastography
Fibrosis
guidelines
hepatic steatosis
journalArticle
Liver stiffness
Management
NAFLD
NASH
NEOMED of College of Medicine
radiation force impulse
Radiologists
Shear wave dispersion
Shear wave elastography
society
Stiffness
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
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<a href="http://doi.org/10.3390/cancers13010122" target="_blank" rel="noreferrer noopener">http://doi.org/10.3390/cancers13010122</a>
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Issue
1
Volume
13
ISSN
2072-6694
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February 2021 List
NEOMED College
NEOMED College of Medicine
NEOMED Department
Department of Radiology
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Title
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Characterisation of Prostate Lesions Using Transrectal Shear Wave Elastography (SWE) Ultrasound Imaging: A Systematic Review.
Date
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2021
2021-01-02
Subject
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prostate cancer; shear wave elastography; ultrasound
Creator
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Anbarasan Thineskrishna;Wei C;Bamber JC;Barr RG;Nabi G
Description
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BACKGROUND: ultrasound-based shear wave elastography (SWE) can non-invasively assess prostate tissue stiffness. This systematic review aims to evaluate SWE for the detection of prostate cancer (PCa) and compare diagnostic estimates between studies reporting the detection of all PCa and clinically significant PCa (csPCa). METHODS: a literature search was performed using the MEDLINE, EMBASE, Cochrane Library, ClinicalTrials.gov, and CINAHL databases. Studies evaluating SWE for the detection of PCa using histopathology as reference standard were included. RESULTS: 16 studies including 2277 patients were included for review. Nine studies evaluated SWE for the detection of PCa using systematic biopsy as a reference standard at the per-sample level, with a pooled sensitivity and specificity of 0.85 (95% CI = 0.74-0.92) and 0.85 (95% CI = 0.75-0.91), respectively. Five studies evaluated SWE for the detection of PCa using histopathology of radical prostatectomy (RP) specimens as the reference standard, with a pooled sensitivity and specificity of 0.71 (95% CI = 0.55-0.83) and 0.74 (95% CI = 0.42-0.92), respectively. Sub-group analysis revealed a higher pooled sensitivity (0.77 vs. 0.62) and specificity (0.84 vs. 0.53) for detection of csPCa compared to all PCa among studies using RP specimens as the reference standard. CONCLUSION: SWE is an attractive imaging modality for the detection of PCa.
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<a href="http://doi.org/10.3390/cancers13010122" target="_blank" rel="noreferrer noopener">10.3390/cancers13010122</a>
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journalArticle
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Cancers
2021
Anbarasan Thineskrishna
Bamber JC
Barr RG
Cancers
Department of Radiology
February 2021 List
journalArticle
Nabi G
NEOMED College of Medicine
Prostate cancer
Shear wave elastography
Ultrasound
Wei C
-
Text
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<a href="http://doi.org/10.1002/jum.15482" target="_blank" rel="noreferrer noopener">http://doi.org/10.1002/jum.15482</a>
ISSN
1550-9613
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Update Year & Number
September 2020 List
NEOMED College
NEOMED College of Medicine
NEOMED Department
Department of Radiology
Affiliated Hospital
Mercy Health St Elizabeth Boardman Hospital
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Title
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Elastography for pediatric chronic liver disease: A review and expert opinion.
Publisher
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Journal Of Ultrasound In Medicine
Date
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2020
2020-09-03
Subject
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shear wave elastography; children; transient elastography; liver stiffness; diffuse liver disease; magnetic resonance elastography
Creator
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Ferraioli G;Barr RG;Dillman JR
Description
An account of the resource
In adults with chronic liver diseases, ultrasound and magnetic resonance shear wave elastography (SWE) can replace liver biopsy in several clinical scenarios. Several guidelines on the use of ultrasound SWE for the adult population have been published. However, the number of publications in the pediatric population is limited, and available guidelines on SWE do not specifically address pediatric chronic liver diseases. In this article, we review the literature on the use of SWE for pediatric chronic liver diseases and provide expert opinion on how to use SWE, both ultrasound and magnetic resonance techniques, in the pediatric population. (© 2020 American Institute of Ultrasound in Medicine.)
Identifier
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<a href="http://doi.org/10.1002/jum.15482" target="_blank" rel="noreferrer noopener">10.1002/jum.15482</a>
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journalArticle
2020
Barr RG
Children
Department of Radiology
diffuse liver disease
Dillman JR
Ferraioli G
Journal of Ultrasound in Medicine
journalArticle
Liver stiffness
magnetic resonance elastography
Mercy Health St Elizabeth Boardman Hospital
NEOMED College of Medicine
September 2020 List
Shear wave elastography
transient elastography
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.3748/wjg.v26.i24.3413" target="_blank" rel="noreferrer noopener">http://doi.org/10.3748/wjg.v26.i24.3413</a>
Pages
3413-3420
Issue
24
Volume
26
ISSN
1007-9327
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August 2020 List
NEOMED College
NEOMED College of Medicine
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Department of Radiology
Affiliated Hospital
Mercy Health St Elizabeth Boardman Hospital
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Title
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Ultrasound liver elastography beyond liver fibrosis assessment
Publisher
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World Journal of Gastroenterology
Date
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2020
2020-06-28
Subject
The topic of the resource
Heart failure; children; guidelines; Liver stiffness; Shear wave elastography; transient elastography; consensus; portal-hypertension; heart; Budd Chiari syndrome; central venous-pressure; congestion; fontan circulation; Fontan circulation; Hepatic sinusoidal obstruction syndrome; Liver congestion; stiffness measurements; Valvular diseases; Liver congestion
Creator
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Ferraioli G; Barr RG
Description
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Several guidelines have indicated that liver stiffness (LS) assessed by means of shear wave elastography (SWE) can safely replace liver biopsy in several clinical scenarios, particularly in patients with chronic viral hepatitis. However, an increase of LS may be due to some other clinical conditions not related to fibrosis, such as liver inflammation, acute hepatitis, obstructive cholestasis, liver congestion, infiltrative liver diseases. This review analyzes the role that SWE can play in cases of liver congestion due to right-sided heart failure, congenital heart diseases or valvular diseases. In patients with heart failure LS seems directly influenced by central venous pressure and can be used as a prognostic marker to predict cardiac events. The potential role of LS in evaluating liver disease beyond the stage of liver fibrosis has been investigated also in the hepatic sinusoidal obstruction syndrome (SOS) and in the Budd-Chiari syndrome. In the hepatic SOS, an increase of LS is observed some days before the clinical manifestations; therefore, it could allow an early diagnosis to timely start an effective treatment. Moreover, it has been reported that patients that were successfully treated showed a LS decrease, that reached pre-transplantation value within two to four weeks. It has been reported that, in patients with Budd-Chiari syndrome, LS values can be used to monitor short and long-term outcome after angioplasty.
Identifier
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<a href="http://doi.org/10.3748/wjg.v26.i24.3413" target="_blank" rel="noreferrer noopener">10.3748/wjg.v26.i24.3413</a>
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journalArticle
2020
August 2020 List
Barr RG
Budd Chiari syndrome
central venous-pressure
Children
congestion
Consensus
Department of Radiology
Ferraioli G
fontan circulation
guidelines
heart
Heart failure
Hepatic sinusoidal obstruction syndrome
journalArticle
Liver congestion
Liver stiffness
Mercy Health St Elizabeth Boardman Hospital
NEOMED College of Medicine
portal-hypertension
Shear wave elastography
stiffness measurements
transient elastography
Valvular diseases
World Journal of Gastroenterology
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.1002/jum.15190" target="_blank" rel="noreferrer noopener">http://doi.org/10.1002/jum.15190</a>
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ISSN
1550-9613
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Update Year & Number
January 2020 Update
NEOMED College
NEOMED College of Medicine
NEOMED Department
Department of Radiology
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Can Accurate Shear Wave Velocities Be Obtained in Kidneys?
Publisher
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Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Date
A point or period of time associated with an event in the lifecycle of the resource
2019
2019-12-03
Subject
The topic of the resource
artifacts; kidney; renal; shear wave elastography
Creator
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Barr Richard G
Description
An account of the resource
OBJECTIVES: There are conflicting results in the literature on the use of shear wave elastography of the kidney parenchyma to determine whether renal stiffness values are related to a disease process. This study was conducted to evaluate the raw data from 3 ultrasound systems and determine whether adequate displacement curves are obtained to accurately estimate shear wave speeds. METHODS: Shear wave elastography was performed on 5 healthy volunteers with 3 ultrasound systems. The raw data were collected and evaluated for the shear wave propagation quality to determine whether accurate estimates of renal shear wave speeds could be determined. RESULTS: Results from the 3 machines demonstrate that accurate shear wave displacement curves are not obtained with renal elastography on existing systems (as of June 2018). One vendor has recently released software that appears to acquire accurate shear wave displacements. CONCLUSIONS: Elastographic studies performed on the kidney to date are likely to be inaccurate. A new algorithm that appears to acquire accurate shear wave displacements in the kidney has been developed. Additional studies are needed to confirm that the new algorithm provides accurate clinical results. This study demonstrates that although the system provides a shear wave speed, it is important to confirm the accuracy of that number by evaluating the raw data.
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<a href="http://doi.org/10.1002/jum.15190" target="_blank" rel="noreferrer noopener">10.1002/jum.15190</a>
PMID: 31797411
Format
The file format, physical medium, or dimensions of the resource
Journal Article
2019
Artifacts
Barr Richard G
Department of Radiology
January 2020 Update
Journal Article
Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Kidney
Mercy Health St Elizabeth Boardman Hospital
NEOMED College of Medicine
renal
Shear wave elastography
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.1002/jum.15137" target="_blank" rel="noreferrer noopener">http://doi.org/10.1002/jum.15137</a>
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
ISSN
1550-9613
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Title
A name given to the resource
Breast Elastography: How to Perform and Integrate Into a "Best-Practice" Patient Treatment Algorithm
Publisher
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Journal Of Ultrasound In Medicine: Official Journal Of The American Institute Of Ultrasound In Medicine
Date
A point or period of time associated with an event in the lifecycle of the resource
2019
2019-10-16
Subject
The topic of the resource
breast cancer; breast; elastography; shear wave elastography; strain elastography; breast tumors; sonoelastography
Creator
An entity primarily responsible for making the resource
Barr Richard G
Description
An account of the resource
Breast elastography has been available for more than 15 years but is not widely incorporated into clinical practice. Many publications report extremely high accuracy for various breast elastographic techniques. However, results in the literature are extremely variable. This variability is most likely due to variations in technique, a relatively steep learning curve, and variability in methods between vendors. This article describes our protocol for performing breast elastography using both strain elastography and shear wave elastography, which produces high sensitivity and specificity. Additionally, we will describe the most commonly known false-positive and false-negative lesions as well as how to detect them.
Identifier
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<a href="http://doi.org/10.1002/jum.15137" target="_blank" rel="noreferrer noopener">10.1002/jum.15137</a>
PMID: 31617225
Format
The file format, physical medium, or dimensions of the resource
Journal Article
2019
Barr Richard G
breast
breast cancer
breast tumors
Department of Radiology
elastography
Journal Article
Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Mercy Health St Elizabeth Boardman Hospital
NEOMED College of Medicine
November 2019 Update
Shear wave elastography
sonoelastography
Strain elastography
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.1016/j.ultrasmedbio.2018.07.008" target="_blank" rel="noreferrer noopener">http://doi.org/10.1016/j.ultrasmedbio.2018.07.008</a>
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
Pages
2419-2440
Issue
12
Volume
44
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Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Liver Ultrasound Elastography: An Update To The World Federation For Ultrasound In Medicine And Biology Guidelines And Recommendations
Publisher
An entity responsible for making the resource available
Ultrasound in Medicine and Biology
Date
A point or period of time associated with an event in the lifecycle of the resource
2018
2018-12
Subject
The topic of the resource
Acoustic radiation; Acoustics; acting antiviral therapy; controlled attenuation parameter; Elastography; Elastography; Focal liver lesions; force impulse; hepatitis-c virus; hypertension; liver; Liver diseases; Liver fibrosis; Liver stiffness; noninvasive assessment; Nuclear Medicine & Medical Imaging; Portal; portal-hypertension; radiation force impulse; Radiology; Shear wave elastography; shear-wave; significant; stiffness measurement; Strain elastography; time tissue elastography; Transient elastography; Transient elastography; ultrasound; World Federation for Ultrasound in Medicine and Biology guidelines
Creator
An entity primarily responsible for making the resource
Ferraioli G; Wong V W S; Castera L; Berzigotti A; Sporea L; Dietrich C F; Choi B I; Wilson S R; Kudo M; Barr R G
Identifier
An unambiguous reference to the resource within a given context
<a href="http://doi.org/10.1016/j.ultrasmedbio.2018.07.008" target="_blank" rel="noreferrer noopener">10.1016/j.ultrasmedbio.2018.07.008</a>
Format
The file format, physical medium, or dimensions of the resource
Journal Article or Conference Abstract Publication
2018
Acoustic radiation
Acoustics
acting antiviral therapy
Barr R G
Berzigotti A
Castera L
Choi B I
controlled attenuation parameter
Dietrich C F
elastography
Ferraioli G
focal liver lesions
force impulse
hepatitis-c virus
Hypertension
Kudo M
Liver
Liver Diseases
Liver fibrosis
Liver stiffness
noninvasive assessment
Nuclear Medicine & Medical Imaging
Portal
portal-hypertension
radiation force impulse
Radiology
Shear wave elastography
shear-wave
significant
Sporea L
stiffness measurement
Strain elastography
time tissue elastography
transient elastography
Ultrasound
Ultrasound in Medicine and Biology
Wilson S R
Wong V W S
World Federation for Ultrasound in Medicine and Biology guidelines
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.7863/ultra.15.09041" target="_blank" rel="noreferrer noopener">http://doi.org/10.7863/ultra.15.09041</a>
Pages
1791–1797
Issue
8
Volume
35
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Sonographic Elastography of Mastitis.
Publisher
An entity responsible for making the resource available
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine
Date
A point or period of time associated with an event in the lifecycle of the resource
2016
2016-08
Subject
The topic of the resource
Adult; Female; Humans; Middle Aged; Aged; Retrospective Studies; Ultrasonography; Sensitivity and Specificity; breast; breast ultrasound; Breast/diagnostic imaging; Elasticity Imaging Techniques/*methods; elastography; mastitis; Mastitis/*diagnostic imaging; shear wave elastography; strain elastography; Diagnosis; Differential; Computer-Assisted; Image Interpretation; Mammary/*methods
Creator
An entity primarily responsible for making the resource
Sousaris Nicholas; Barr Richard G
Description
An account of the resource
Sonographic elastography has been shown to be a useful imaging modality in characterizing breast lesions as benign or malignant. However, in preliminary research, mastitis has given false-positive findings on both strain and shear wave elastography. In this article, we review the findings in mastitis with and without abscess formation on both strain and shear wave elastography. The elastographic findings in all cases were suggestive of a malignancy according to published thresholds. In cases of mastitis with abscess formation, there is a characteristic appearance, with a central very soft area (abscess cavity) and a very stiff outer rim (edema and inflammation). This appearance should raise the suspicion of mastitis with abscess formation, since these findings are rare in breast cancers.
Identifier
An unambiguous reference to the resource within a given context
<a href="http://doi.org/10.7863/ultra.15.09041" target="_blank" rel="noreferrer noopener">10.7863/ultra.15.09041</a>
Rights
Information about rights held in and over the resource
Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
2016
Adult
Aged
Barr Richard G
breast
breast ultrasound
Breast/diagnostic imaging
Computer-Assisted
Diagnosis
Differential
Elasticity Imaging Techniques/*methods
elastography
Female
Humans
Image Interpretation
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine
Mammary/*methods
mastitis
Mastitis/*diagnostic imaging
Middle Aged
Retrospective Studies
Sensitivity and Specificity
Shear wave elastography
Sousaris Nicholas
Strain elastography
Ultrasonography
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.1016/j.ultrasmedbio.2015.09.005" target="_blank" rel="noreferrer noopener">http://doi.org/10.1016/j.ultrasmedbio.2015.09.005</a>
Pages
16–30
Issue
1
Volume
42
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Transcutaneous Ultrasound: Elastographic Lymph Node Evaluation. Current Clinical Applications and Literature Review.
Publisher
An entity responsible for making the resource available
Ultrasound in medicine & biology
Date
A point or period of time associated with an event in the lifecycle of the resource
2016
2016-01
Subject
The topic of the resource
*Elasticity Imaging Techniques; Elastography; Humans; Imaging; Lymph node; Lymph Nodes – Ultrasonography; Lymph Nodes/*diagnostic imaging; Lymphatic Diseases – Ultrasonography; Lymphatic Diseases/*diagnostic imaging; Scales; Shear wave elastography; Staging; Strain; Ultrasonics; Ultrasonography; Ultrasound
Creator
An entity primarily responsible for making the resource
Chiorean Liliana; Barr Richard G; Braden Barbara; Jenssen Christian; Cui Xin-Wu; Hocke Michael; Schuler Andreas; Dietrich Christoph F
Description
An account of the resource
Distinguishing malignant versus benign lymphadenopathies is a major diagnostic dilemma in clinical medicine. Metastatic deposits in normal-sized lymph nodes (LNs) can be smaller than a millimeter, thus presenting a diagnostic challenge. In most clinical settings, however, enlarged LNs detected on imaging need to be classified as malignant or benign. Ultrasound seems to be a very reliable method for LN characterization because of the high resolution, especially in the subcutaneous areas. However, B-mode and Doppler-ultrasound criteria for characterization of a lymphadenopathy as benign or malignant are lacking specificity. Newer methods such as elastography seem to be valuable for identifying metastatic deposits within LNs and may help discriminate malignant and benign LNs. This review summarizes the different elastographic methods available and provides an overview of the relevant publications. According to the literature, elastography can be used for identifying metastatic deposits, to guide fine needle aspiration and to non-invasively choose the most suspicious LN of a group of enlarged LNs for targeted biopsy.
Identifier
An unambiguous reference to the resource within a given context
<a href="http://doi.org/10.1016/j.ultrasmedbio.2015.09.005" target="_blank" rel="noreferrer noopener">10.1016/j.ultrasmedbio.2015.09.005</a>
Rights
Information about rights held in and over the resource
Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
*Elasticity Imaging Techniques
2016
Barr Richard G
Braden Barbara
Chiorean Liliana
Cui Xin-Wu
Dietrich Christoph F
elastography
Hocke Michael
Humans
Imaging
Jenssen Christian
Lymph node
Lymph Nodes – Ultrasonography
Lymph Nodes/*diagnostic imaging
Lymphatic Diseases – Ultrasonography
Lymphatic Diseases/*diagnostic imaging
Scales
Schuler Andreas
Shear wave elastography
Staging
strain
Ultrasonics
Ultrasonography
Ultrasound
Ultrasound in medicine & biology
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.1016/j.ultrasmedbio.2015.03.007" target="_blank" rel="noreferrer noopener">http://doi.org/10.1016/j.ultrasmedbio.2015.03.007</a>
Pages
1161–1179
Issue
5
Volume
41
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
WFUMB guidelines and recommendations for clinical use of ultrasound elastography: Part 3: liver.
Publisher
An entity responsible for making the resource available
Ultrasound in medicine & biology
Date
A point or period of time associated with an event in the lifecycle of the resource
2015
2015-05
Subject
The topic of the resource
*Practice Guidelines as Topic; Elastic Modulus; Elasticity Imaging Techniques/*standards; elastography; focal liver lesions; guidelines; Internationality; liver; Liver Cirrhosis/*diagnostic imaging/*physiopathology; liver diseases; liver fibrosis; liver stiffness; Liver/*diagnostic imaging/*physiopathology; Mechanical; Shear Strength; shear wave elastography; strain elastography; Stress; transient elastography; ultrasound; WFUMB
Creator
An entity primarily responsible for making the resource
Ferraioli Giovanna; Filice Carlo; Castera Laurent; Choi Byung Ihn; Sporea Ioan; Wilson Stephanie R; Cosgrove David; Dietrich Christoph F; Amy Dominique; Bamber Jeffrey C; Barr Richard; Chou Yi-Hong; Ding Hong; Farrokh Andre; Friedrich-Rust Mireen; Hall Timothy J; Nakashima Kazutaka; Nightingale Kathryn R; Palmeri Mark L; Schafer Fritz; Shiina Tsuyoshi; Suzuki Shinichi; Kudo Masatoshi
Description
An account of the resource
The World Federation for Ultrasound in Medicine and Biology (WFUMB) has produced these guidelines for the use of elastography techniques in liver disease. For each available technique, the reproducibility, results, and limitations are analyzed, and recommendations are given. Finally, recommendations based on the international literature and the findings of the WFUMB expert group are established as answers to common questions. The document has a clinical perspective and is aimed at assessing the usefulness of elastography in the management of liver diseases.
Identifier
An unambiguous reference to the resource within a given context
<a href="http://doi.org/10.1016/j.ultrasmedbio.2015.03.007" target="_blank" rel="noreferrer noopener">10.1016/j.ultrasmedbio.2015.03.007</a>
Rights
Information about rights held in and over the resource
Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
*Practice Guidelines as Topic
2015
Amy Dominique
Bamber Jeffrey C
Barr Richard
Castera Laurent
Choi Byung Ihn
Chou Yi-Hong
Cosgrove David
Dietrich Christoph F
Ding Hong
Elastic Modulus
Elasticity Imaging Techniques/*standards
elastography
Farrokh Andre
Ferraioli Giovanna
Filice Carlo
focal liver lesions
Friedrich-Rust Mireen
guidelines
Hall Timothy J
Internationality
Kudo Masatoshi
Liver
Liver Cirrhosis/*diagnostic imaging/*physiopathology
Liver Diseases
Liver fibrosis
Liver stiffness
Liver/*diagnostic imaging/*physiopathology
Mechanical
Nakashima Kazutaka
Nightingale Kathryn R
Palmeri Mark L
Schafer Fritz
Shear Strength
Shear wave elastography
Shiina Tsuyoshi
Sporea Ioan
Strain elastography
Stress
Suzuki Shinichi
transient elastography
Ultrasound
Ultrasound in medicine & biology
WFUMB
Wilson Stephanie R
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.1007/s00261-017-1375-1" target="_blank" rel="noreferrer noopener">http://doi.org/10.1007/s00261-017-1375-1</a>
Pages
800–807
Issue
4
Volume
43
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
Shear wave liver elastography.
Publisher
An entity responsible for making the resource available
Abdominal radiology (New York)
Date
A point or period of time associated with an event in the lifecycle of the resource
2018
2018-04
Subject
The topic of the resource
Cirrhosis; Liver stiffness; Point shear wave elastography; Real-time shear wave elastography; Shear wave elastography
Creator
An entity primarily responsible for making the resource
Barr Richard G
Description
An account of the resource
Chronic liver disease is a substantial world-wide problem. Its major consequence is increasing deposition of fibrous tissue within the liver leading to the development of cirrhosis with its consequences of portal hypertension, hepatic insufficiency, and hepatocellular carcinoma. The stage of liver fibrosis is important to determine prognosis, surveillance, prioritize for treatment, and potential for reversibility. The process of fibrosis is dynamic and regression of fibrosis is possible with treatment of the underlying conditions. Previously, the only method of staging the degree of fibrosis was liver biopsy. The recent development of ultrasound elastography techniques allows a non-invasive method of estimating the degree of liver fibrosis. Transient elastography (TE) is a non-imaging elastographic technique, while point shear wave (p-SWE) and 2D-SWE combine imaging with elastography. The evidence at this time suggests that p-SWE is as accurate as but more reliable than TE, while 2D-SWE is more accurate than TE. This review discusses the background of chronic liver disease, the types of ultrasound elastography, how to perform an examination, and how to interpret the results.
Identifier
An unambiguous reference to the resource within a given context
<a href="http://doi.org/10.1007/s00261-017-1375-1" target="_blank" rel="noreferrer noopener">10.1007/s00261-017-1375-1</a>
Rights
Information about rights held in and over the resource
Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
2018
Abdominal radiology (New York)
Barr Richard G
Cirrhosis
Liver stiffness
Point shear wave elastography
Real-time shear wave elastography
Shear wave elastography