Abstract
The prognostic and therapeutic significance of tumor vascularity was studied in 36 patients with hepatoma or metastatic colon cancer in the liver. All patients had nonresectable tumor and were treated by hepatic artery ligation and hepatic arterial infusion chemotherapy. Chemotherapy consisted of methotrexate, actinomycin-D, 5-fluorouracil and cyclophosphamide. Hepatic tumors were categorized into Grades I to III in the order of increasing vascularity as determined by preoperative hepatic angiography. Tumor vascularity of 15 patients with hepatoma was Grade III in 11 (73%) and Grade II in 4 (27%). No patient with hepatoma had a Grade I tumor. The median survival of patients was 10 and 6 months for Grade III and II hepatomas, respectively, after hepatic artery ligation, and 18 and 8.5 months for Grade III and II, respectively, from the time of diagnosis of hepatoma. Tumor vascularity of 21 patients with metastatic colon cancer was as follows: Grade III in 3 (14%); Grade II in 10 (48%); and Grade I in 8 (38%). The median survival was 11, 10.5 and 4 months for Grades III, II and I, respectively, after hepatic artery ligation, and 17, 14.5 and 7.2 months for Grades III, II and I, respectively, from the time of diagnosis of hepatic metastases of colon cancer. The results indicate that the more vascular the hepatic tumor on angiogram, the better the prognosis following hepatic artery ligation and infusional chemotherapy.
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