Prognostic factors in node-negative intrahepatic cholangiocarcinoma with special reference to angiogenesis - 25/08/11
, Mitsuo Shimada, M.D., F.A.C.S. a, Eiji Tsujita, M.D. a, Shin-ichi Aishima, M.D. b, Shin-ichiroh Maehara, M.D. a, Sinji Tanaka, M.D. a, Kenji Takenaka, M.D. c, Yoshihiko Maehara, M.D., F.A.C.S. aAbstract |
Background |
The aim of this study was to clarify prognostic factors and recurrence patterns in patients with node-negative intrahepatic cholangiocarcinoma (IHCC).
Methods |
A retrospective study was performed to review prognostic factors and recurrence patterns (1) in 22 patients with node-negative IHCC after curative hepatic resection and (2) in 49 patients who underwent resection and lymph node dissection for IHCC. In addition to determining the clinicopathologic factors, the investigators also performed immunohistochemical examination of microvessel counts using antihuman CD-31 and antibody.
Results |
The significant poor prognostic factors in node-negative IHCC were the presence of intrahepatic metastasis, portal vein invasion of cancer cells, and high microvessel counts. After multivariate analysis was conducted, the independent poor prognostic factors were the presence of intrahepatic metastases and high microvessel counts. Of 9 patients who had postoperative recurrence of their disease, intrahepatic recurrence was observed in 7 (78 %).
Conclusions |
The factors linked to poor prognosis in IHCC were tumor angiogenesis and the presence of intrahepatic metastasis. Because intrahepatic recurrence was common, regional and adjuvant chemotherapy to the liver may improve the outcome of patients with these risk factors and node-negative IHCC.
Le texte complet de cet article est disponible en PDF.Keywords : Hepatic resection, Intrahepatic cholangiocarcinoma, Intrahepatic metastasis, Microvessel count, Node negative, Tumor angiogenesis
Plan
Vol 187 - N° 4
P. 538-542 - avril 2004 Retour au numéro
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