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Copyright of Polish Journal of Surgery is the property of Fundacja Polski Przedglad Chirurgiczny and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Obstruction of a major hepatic vein, or major portal vein, or biliary tree branch causes atrophy of the related hepatic region, and frequently, hypertrophy in the remaining liver—the atrophy-hypertrophy complex (AHC). Whether hydatid cysts can cause AHC is controversial. The records of 370 patients who underwent surgery for hepatic hydatid disease between August 1993 and July 2002 were evaluated retrospectively. Excluding six patients with previous interventions on the liver, AHC had been recorded in the operative notes of 16 patients (4.4%); for all patients, a cyst located in the right hemiliver had caused atrophy of the right hemiliver and compensatory hypertrophy of the left hemiliver. The computed tomography images of seven patients were suitable for volumetric analysis. The median (range) right and left hemiliver volumes were 334 (0–686) ml and 1084 (663–1339) ml, respectively. The median (range) cyst volume was 392 (70–1363) ml. AHC due to Echinococcus granulosus was confirmed by objective volumetric analysis. The presence of AHC should alert the surgeon to two implications. First, pericystectomy may be hazardous due to association with major vascular and biliary structures. Second, in patients with AHC, the hepatoduodenal ligament rotates around its axis; this should be considered to avoid vascular injury if a common bile duct exploration is to be performed. [Copyright &y& Elsevier]

Background. Farrar's criteria for cystic duct carcinoma (histopathological diagnosis of a carcinoma strictly limited to the cystic duct) have practical limitations. We propose new "working definition": a gallbladder tumor, the center of which is located in the cystic duct. Patients and methods. Between 1980 and 2000 we diagnosed cystic duct carcinoma in 31 patients, 28 of whom (90%) had increased serum bilirubin concentrations. Extrahepatic bile duct resection and cholecystectomy were performed in 10 patients; in others, extended right hepatectomy (16), right hepatectomy (3), and liver bed resection (2) were necessary as well for a potentially curative resection. Additional procedures were portal vein resection (10) and pancreatoduodenectomy (7). Results. All tumors were adenocarcinomas. Depth of invasion was T2 in 3 patients, T3 in 12, and T4 in 16. Thirteen patients (42%) had lymph node metastasis. Curative resection was performed in 24 patients (77%). Hospital mortality was 5 of 31 (16%). Actuarial 5-year survival rate excluding hospital deaths was 22%. Conclusions. The proposed "working definition" avoids the problems associated with Farrar's criteria and describes a distinct patient group with an approximately equal proportion of men and women, advanced T stage, but a lower than expected frequency of lymph node metastasis. It establishes a basis for standard reporting of results. [ABSTRACT FROM AUTHOR]

Copyright of World Journal of Surgery is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

A letter to the editor is presented in response to the article "Liver Resection and Transplantation in the Management of Iatrogenic Biliary Injury," published in a previous issue of the journal.