期刊
HUMAN PATHOLOGY
卷 140, 期 -, 页码 39-52出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.humpath.2023.03.004
关键词
Merkel cell carcinoma; Cutaneous malignancy; Neuroendocrine carci-noma; UV radiation; Immunotherapy
类别
Merkel cell carcinoma is a rare primary cutaneous neuroendocrine carcinoma with adverse prognosis. Advances in understanding its biology, including classification based on different origins, relevance of immunohistochemistry and molecular characteristics, and the use of immunotherapeutics, are discussed in this review. The topics are particularly relevant to surgical and dermatopathologists.
Merkel cell carcinoma (MCC) is an uncommon primary cutaneous neuroendocrine carcinoma associated with an adverse prognosis. In recent years, our understanding of MCC biology has markedly progressed. Since the discovery of the Merkel cell polyomavirus, it has become clear that MCC represents an ontogenetically dichotomous group of neoplasms with overlapping histopathology. Specifically, most MCCs arise secondary to viral oncogenesis, while a smaller subset is the direct result of UV-associated mutations. The distinction of these groups bears relevance in their immunohistochemical and molecular characterization, as well as in disease prognosis. Further recent developments relate to the landmark utilization of immunotherapeutics in MCC, providing optimistic options for the management of this aggressive disease. In this review, we discuss both fundamental and emerging concepts in MCC, with a particular focus on topics of practical relevance to the surgical or dermatopathologist.(c) 2023 Elsevier Inc. All rights reserved.
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