Skyler C Gross

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Surgical ligation clips of various materials were scanned in a water-filled phantom to determine what artifacts would be produced. Tantalum clips produced severe image degradation, while stainless steel clips produced less severe degradation. Minimal artifacts were observed with titanium clips. Clips molded from an absorbable polymeric material,(More)
A case of pseudocyst simulating the biliary ductal system is reported. Several CT findings indicate that the biliary system was not involved: (a) no dilatation of the more proximal intrahepatic biliary radicles; (b) the gallbladder was not distended; (c) lucency extending to the left at the level of the pancreas; (d) a position more medial and anterior than(More)
BACKGROUND Caffeine is widely considered to be a reinforcer in humans, but this effect is difficult to measure in non-human animals. We hypothesized that caffeine may have dual reinforcing effects comparable to nicotine--limited primary reinforcing effects, but potent reinforcement enhancing effects. The present studies tested this hypothesis by(More)
Eleven patients presenting with thoracic aortic dissection were studied by computed tomography (CT). CT was usually performed with knowledge of the angiographic diagnosis. In eight cases, CT was definitive. This group included all six patients who received intravenous contrast material by bolus infusion. An algorithmic approach to patients with possible(More)
A prospective double-blind study was undertaken to compare computed tomography (CT) and conventional radiographic tomography (RT) in the staging of lung carcinoma. Seventy-five patients had CT and RT of the mediastinum and hilum prior to operation. The presence or absence of metastasis to lymph nodes documented at the time of operation was the standard(More)
Until recently the problem of painful, symptomatic arthritis of the wrist secondary to congenitally incomplete separation of carpal bones has been infrequently recognized. Five patients with either excessive stress loading or trauma had eight symptomatic wrists with congenitally incomplete separation of the triquetral-lunate joint. Three of these patients(More)
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