Internal hernia into Treves' field pouch. Case report and review of the literature.
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Biomedical subjects
Publications and source records attributed to W P Harbin.
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To further define the significance of gallbladder nonvisualization by cholecystosonography, we studied follow-up data on 25 consecutive patients in whom the gallbladder could not be identified despite adequate fasting. In one patient, intravenous cholangiography demonstrated a large gallbladder but no gallstones. In the 24 cases for which a pathoanatomic diagnosis was established, all but two had diseased gallbladders with obliteration of the lumen. This 88% accuracy for positive prediction confirms results of previous sonographic studies and matches the diagnostic significance of nonvisualization at oral cholecystography. We recommend oral cholecystography for all ultrasonic nonvisualized gallbladders for greater diagnostic accuracy when surgery is contemplated.
Benign clear-cell tumor of the lung is a rare, distinctive, primary neoplasm with unique histologic and electron microscopic features which may resemble metastatic renal-cell carcinoma. This tumor typically presents as an asymptomatic, peripheral, sharply rounded mass in the lung. Clinical recognition can prevent an unnecessary search for a primary malignant source.