Extended resection for intrahepatic cholangiocarcinoma in Japan.
To elucidate surgical outcome after extended surgery for intrahepatic cholangiocarcinoma (ICC), we retrospectively allocated 83 patients who had undergone resection to a standard surgery group (n = 56), in which the patients had undergone hepatectomy alone or hepatectomy with bile duct resection, and an extended surgery group (n = 27), in which the patients had undergone the standard operation combined with vessel resection and/or pancreatectomy. The incidence of mass-forming plus periductal-infiltrating type lesions (P = 0. 0129), lymph node metastasis (P = 0.0005), noncurative resection (P < 0.0001), mortality within 30 days and within 1 year after surgery (P = 0.0392, P = 0.0010), local recurrence (P = 0.0439), and peritoneal disseminated recurrence (P = 0.0241) was significantly higher in the extended surgery group than in the standard surgery group. The 5-year survival rate was significantly higher in the standard surgery group (30%) than in the extended surgery group (10%; P = 0.0061). The mortality rate within 1 year after extended surgery was significantly higher in the patients with infiltrating-spread type tumors than in the patients with non-infiltrating spread type tumors (P = 0.0032), and long-term (5-year) survival in the extended surgery group was significantly lower in the patients with infiltrating-spread type tumors than in the patients with non-infiltrating spread type tumors (P = 0.0253). We conclude that extended surgery does not improve the curative resection rate or the surgical outcome of ICC, and that extended surgery is not indicated for patients with infiltrating-spread type tumors.
Yamamoto
M
M
Department of Gastrointestinal Surgery, Institute of Gastroenterology, Tokyo Women's Medical College, Tokyo 162-8666, Japan.
Takasaki
K
K
Yoshikawa
T
T
D000328:Adult; D000368:Aged; D001650:Bile Duct Neoplasms / Q000401:mortality / Q000473:pathology / Q000601:surgery*; D001653:Bile Ducts, Intrahepatic; D018281:Cholangiocarcinoma / Q000401:mortality / Q000473:pathology / Q000601:surgery*; D005260:Female; D006498:Hepatectomy / Q000379:methods; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D010180:Pancreatectomy; D012189:Retrospective Studies; D016019:Survival Analysis; D016896:Treatment Outcome