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우성구 대한영상의학회 1982 대한영상의학회지 Vol.18 No.3
Necrotizing colitis associated with carcinoma of the colon, Known also as obstructive colitis, is a disorder characterized by anulceration and inflammation of the colon proximal to an obstructive lesion, especially carcinoma of the rectosigmoid colon, and in rare instances, leads to actual gangrene of the colon. The authors analysed radiologic findings in four cases of necrotizing colitis associated with carcinoma of the colon. Barium enema disclosed mucosal edema, nodular filling defects, irregularity of the colonic controur and typical thumbprinting appearance of involved colon proximal to an obstructing carcinoma of the colon. The mechanism of necrotizing colitis was briefly reviewed.
우성구 대한영상의학회 1986 대한영상의학회지 Vol.22 No.4
Cholangiocarcinoma is synonyumous with bile duct carcinoma, and can originate in a small intrahepatic bile duct(peripheral type), a major intrahepatic duct including the hepatic hilus, an extrahepatic duct, or near the papilla of Vater(central type). In a sense bile duct carcinoma of the peripheral type is cholangiocarcinima of the liver ; it has the same gross configuration as hepatocellular carcinoma , resulting in difficulty to differentiate on the CT. The authors studied CT findings of 14 cases of pathologically proven peripheral type cholangiocarcinoma of the liver during the last 4 years. The results were as follows : 1. Of 14 cases, 8 were female and 6 were male, and the age ranged form 5th to 7 th decades. 2. Preperative clinical diagnosis were as follows : hepatoma 8 cases, abscess 5 cases and metastasis 1 case in order of frequency. 3. Diagnosis were confirmed by hepatic lobectomy in 7 cases, wedge resection in 5 cases and needle biopsy in 2 case. 4. Labratory finding were not specific , but there were only 2 cases with elevated alpha-fetoprotein level. 5. Associated diseases were gallstones in 1 cases. intrahepatic duct stones in 1 cases. extrahepatic duct stones in 2 cases, acute or chronic cholecystitis in 5 cases and CS in 3 cases. 6. Angiographic adn scintigraphic findings were helpful in differential diagnosis from hepatoma but ultrasonogrpaphy was non-specific. 7. The number of tumor were solitary in 12 cases and multiple in 2 cases. Among solitary cases. the site of involvement of the liver were right lobe in 8 cases and left lobe in 4 cases. 8. Common CT feature of the intrahepatic peripheral cholangiocardinoma of the liver were irregular , inhomogeneous, occasionally peripherally enhancing low density liver mass. frequently accompanied by diffuse or segmental dilatation of the intrahepatic bile duct. If there were normal alphafetoprotein level, positive skin and/or stool examination for CS and difuse or segmental dilatation of the intr hepatic duct in low density liver tumor on the CT, one should consider peripheral cholangiocarcinoma of the liver than heaptoma.