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Bisubsegmental liver resection for gallbladder cancer
T Yoshikawa1, T Araida, T Azuma
1Division of Surgery, Institute of Gastroenterology, Tokyo Women's Medical College.
Backgrounds/Aims:
The ultimate goal was to determine the therapeutic value and indications of resection of segment IV inferior and segment V in patients with advanced gallbladder cancer.
Methodology:
Indications for systematic resection of the liver, particularly segment IV inferior and segment V as defined by Couinaud (1) or Healey (2), in patients with advanced gallbladder cancer, were examined in a total of 201 patients with advanced gallbladder cancer who underwent surgical resection were studied.
Results:
All primary tumors invaded the subserosa of the gallbladder wall or deeper. Liver invasion and liver metastasis were studied clinicopathologically, and the long-term outcome was analyzed according to the procedure used for liver resection.
Conclusion:
The clinicopathological result suggests that resection of segment IV inferior and segment V of the liver may be beneficial in patients with liver bed type invasion less than 20 mm in depth.