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J Surg Oncol. 1999 Mar;70(3):150-60.

Prognostic evaluation of cutaneous malignant melanoma: a clinicopathologic and immunohistochemical study.

Author information

1
Department of Pathology, Oncology Center, Cracow, Poland. z5rys@cyf-kr.edu.pl

Abstract

BACKGROUND AND OBJECTIVES:

Depth of invasion and stage of the disease are established prognostic indicators in cutaneous malignant melanoma. The role of other parameters is still an open problem.

METHODS:

In 93 consecutive patients with cutaneous malignant melanoma, the level of invasion, tumor thickness, ulceration, vascular invasion, lymphoplasmocytic infiltrates, and mitotic index were evaluated by histology. Expression of Ki-67 and PCNA proliferative antigens together with vimentin, S100, and HMB 45 proteins were assessed by immunohistochemistry.

RESULTS AND CONCLUSIONS:

Disease-free and overall survival were correlated with tumor stage, tumor thickness, level of invasion, macroscopic pattern, ulceration, vascular invasion, expression of HMB 45, PCNA, and Ki-67/MIB1. Stage, HMB 45, and PCNA were independent prognostic factors for disease-free survival, whereas tumor stage, tumor thickness, and expression of both proliferative antigens influenced overall survival independently. The variables studied demonstrated reciprocal correlation; therefore, analysis of many prognostic parameters in malignant melanoma could be recommended.

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