New insights into merkel cell carcinoma.

Abstract:

:Merkel cell carcinoma (MCC) is a rare aggressive cutaneous malignancy of the elderly and immunocompromised populations. The clinical presentation of MCC is nonspecific, with the majority of cases presenting as localized skin involvement. Histologically and immunophenotypically, MCC is defined by both neuroendocrine and epithelial differentiation. Recently, the Merkel cell polyomavirus has been implicated in the pathogenesis of MCC. In addition, there have been numerous studies evaluating the histologic and immunohistochemical characteristics of MCC as they relate to diagnosis and prognosis. The purpose of this paper is to review the most salient and clinically relevant updates in the pathogenesis and histologic features of MCC. Specific attention is given to the clinical and histologic predictors of prognosis, staging, and the controversies concerning sentinel lymph node biopsy and therapy.

journal_name

Adv Anat Pathol

authors

Calder KB,Smoller BR

doi

10.1097/PAP.0b013e3181d97836

subject

Has Abstract

pub_date

2010-05-01 00:00:00

pages

155-61

issue

3

eissn

1072-4109

issn

1533-4031

pii

00125480-201005000-00001

journal_volume

17

pub_type

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