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Littoral cell angioma (LCA) is an extremely rare primary splenic tumor. There are few MRI and scintigraphic characteristics described. These characteristics may be most helpful in differentiating LCA from other primary vascular tumors. We present a…

Morphea is an inflammatory, sclerosing skin disorder that can involve the underlying soft tissues. Although the cause of morphea remains poorly investigated, genetic predisposition, immune dysregulation, and environmental factors have been…

We examined whether neurons in the inferior colliculus of the mustached bat (Pteronotus parnellii) are combination sensitive, responding to both low- and high-frequency components of the bat's sonar signal. These neurons, previously reported in the…

Laparoendoscopic surgery is fueled by technology, and advances in medical imaging may bring about further progress. The application of three-dimensional ultrasound to minimally invasive surgery represents technology "just over the horizon." This…

BACKGROUND: Ultrasonography is considered the most appropriate initial imaging study in the evaluation of acute appendicitis in children but has recently come under criticism with reports of low specificity and high indeterminate study rates,…

The Angelchik prosthesis is a silicone-filled, doughnut-shaped device used for the surgical treatment of gastroesophageal reflux. This device appears on sonograms as a C-shaped, hypoechoic structure with nonspecific Doppler waveforms. Because the…
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