Browse Items (63 total)

A 67-year-old woman had fever, myalgias, progressive weakness, and respiratory insufficiency. In 9 days, flaccid areflexic quadriparesis and bulbar palsy developed. She died 26 days after the onset of her illness. Serum and cerebrospinal fluid…

A 3-year-old girl with rhizomelic chondrodysplasia punctata (RCDP) had severe micrencephaly but a normal gyral pattern, neuronal density, and cortical cytoarchitecture. The white matter was diffusely decreased in mass but normally myelinated. There…

A 59-year-old previously healthy man had flulike symptoms of fever and diarrhea for a week, which worsened despite treatment with antibiotics. After admission, his medical condition rapidly deteriorated with renal failure, heart failure, and a marked…

Thin section and freeze-fracture transmission electron microscopy were used to examine and identify the cytoplasmic and membrane structures in a cell line derived from a melanotic neuroectodermal tumor of infancy (MNTI). The cultured cells had a…

The present study addresses the specificity of lyric osseous impact for distinguishing among metastatic cancer, tuberculosis, and fungal disease. Osseous impact is used in this manuscript as a convention to describe the macroscopic appearance of…

Renal complications of Waldenstrom's macroglobulinemia (WM) are rarely observed. Nephrotic syndrome in association with WM has most often been secondary to amyloidosis. This article reports a case of WM with nephrotic syndrome as a result of…

Neurocysticercosis is a significant public health issue within the United States. Although cysticercosis was once thought to have been eradicated in the United States, the number of documented cases is rising and immigrants from endemic areas are at…

Context Participation in proficiency testing is required under the Clinical Laboratory Improvement Amendments of 1988. Although the primary purpose of this testing is evaluation of current laboratory performance, a major secondary benefit of such…

The cytogenetic findings in pleuropulmonary blastoma (PPB) have not been widely studied and reported and are of interest in view of the implications that PPB has for additional tumors in the patient and the patient's relatives. Using standard tumor…

Objective.-After identifying a metastatic glycogen-rich balloon cell malignant melanoma, originally thought to be a benign clear cell tumor of the lung, we investigated the extent of positive reactions, or "positivity," of malignant melanoma to…

Background.-Extramammary Paget's disease most commonly occurs on the female external genitalia and rarely occurs in the perianal region and male external genitalia. We present the clinical and pathologic features of 5 cases of perianal Paget's…

Polypoid lesions composed of gastric mucosa in the jejunum are rare. The vast majority of cases of ectopic gastric tissue occur in the duodenum. In this article, we present a case of heterotopic gastric mucosa forming a giant polyp in the mid…

Alzheimer's disease (AD) is accompanied by a robust inflammatory response mediated by plaque-associated myeloid cells of the brain. These cells exhibit altered gene expression profiles and serve as a barrier, preventing neuritic dystrophy. The origin…

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