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Hepatobiliary scintigraphy using Tc-99m HIDA derivates is used primarily for the diagnosis of acute cholecystitis and for demonstration of biliary tract patency. Ultrasound is usually employed for diagnosing cholelithiasis and biliary tree dilatation, as well as identifying focal lesions in the liver. These two complementary modalities are also useful in(More)
On the basis of 25 cases of laryngotracheal stenosis of mescellaneous etiology, the authors report their experience of Rethi's operation carried out in 14 cases, 8 patients having received medical and instrumental treatment, 1 undergoing surgery for resection and anastomosis according to Pearson's technique and 3 receiving symptomatic treatment by(More)
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