PMID: 11919234Mar 29, 2002Paper

Tumor microvessel density as a predictor of recurrence after resection of hepatocellular carcinoma: a prospective study

Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology
Ronnie Tung-Ping PoonJohn Wong

Abstract

This study prospectively evaluated the correlation of tumor microvessel density (MVD) with clinicopathologic features and postoperative recurrence in patients undergoing resection of hepatocellular carcinoma (HCC). Tumor MVD was assessed in 100 patients with resection of HCC using a computer image analyzer after immunostaining for CD34 (MVD-CD34) and von Willebrand factor (MVD-vWF), respectively. Patients were prospectively followed for recurrence. Mean tumor MVD-CD34 (236/0.74 mm(2)) was higher than mean tumor MVD-vWF (87/0.74 mm(2)) (P <.001). By multiple regression analysis, tumor size was the only pathologic feature significantly related to tumor MVD-CD34. The median MVD-CD34 was 316/0.74 mm(2) in HCCs < or = 5 cm (n = 46) and 146/0.74 mm(2) in HCCs more than 5 cm (n = 54) (P <.001). Among patients with HCCs < or = 5 cm, those with higher than median MVD-CD34 had worse disease-free survival (at 3 years, 13%) than those with a lower MVD-CD34 (at 3 year, 74%) (P =.002). Multivariate analysis showed that tumor MVD-CD34 was the only significant factor predictive of disease-free survival in patients with HCC < or = 5 cm. For HCCs more than 5 cm, MVD-CD34 did not have a significant prognostic influence. MVD-vWF did not have a sig...Continue Reading

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