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HPB Surgery
Volume 9, Issue 2, Pages 115-117
http://dx.doi.org/10.1155/1996/95180

Resection Margins for Colorectal Metastases to The Liver: Do They Make A Difference?

1Department of Surgery, Univeristy of Virginia, Health Sciences Center, Charlottesville, Virginia, USA
2University of Toronto &, The Toronto Hospital, Toronto, Canada

Copyright © 1996 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objective: The authors determined an appropriate surgical treatment for liver metastases from colorectal cancers. Clinicopathologic featuresof metastatic lesions of colorectal cancers were studied.

Summary Background Data: Major hepatic resection is the usual procedure for treatment of hepatic metastases from colorectal cancers.

Methods: Forty consecutive patients who underwent hepatic resections were prospectively studied, for a total of 89 metastatic liver tumors.

Results: Metastatic tumor often extended along Glisson’s capsule, including invasion to the portal vein (9 cases), the hepatic vein (3 cases), the bile duct (16 cases), and the nerve (6 cases). The main tumor had small satellite nodules in only one patient, and there were no microscopic deposits in the parenchyma, even within 10 mm from the metastatic tumors. Fibrous pseudocapsule formation was observed in 28 patients.

Discussion: The rarity of intrahepatic metastasis from metastatic tumor supports nonanatomic limited hepatic resection as the procedure of choice for metastatic colorectal cancer in the liver. The spread via Glisson's capsule should be taken into consideration for complete tumor clearance.