Merkel Cell Carcinoma Case Reports With Merkel Cell Polyomavirus Test and Review of the Literature.
Journal
The American Journal of dermatopathology
ISSN: 1533-0311
Titre abrégé: Am J Dermatopathol
Pays: United States
ID NLM: 7911005
Informations de publication
Date de publication:
17 Sep 2024
17 Sep 2024
Historique:
medline:
18
9
2024
pubmed:
18
9
2024
entrez:
17
9
2024
Statut:
aheadofprint
Résumé
Merkel cell carcinoma (MCC) is known as a rare and highly malignant neuroendocrine skin cancer and often occurs in the sun-exposed parts of the elderly individuals. In this article, we reported 2 cases of MCC and reviewed relative literature. Case 1 was a 91-year-old woman who presented with a half-year history of a brown nodule on the left temple. The histopathological and immunohistochemistry examination diagnosis was MCC with negative staining of Merkel cell polyomavirus large T antigen (CM2B4). Case 2 was a 76-year-old man with a nodule on his right buttock that gradually increased from approximately 3 mm to 1.5 cm in diameter in 1 month without pain. The biopsy diagnosis was MCC with positive staining of CM2B4. Previous studies have found that the genetic mutation and prognosis of polyomavirus-associated MCC (MCCP) and nonviral MCC (MCCN) are significantly different. Large T antigen plays a crucial role in Merkel cell polyomavirus (MCPyV) oncogenesis. Testing for the MCPyV at the onset of MCC is recommended, which is helpful in predicting the prognosis of patients.
Identifiants
pubmed: 39288754
doi: 10.1097/DAD.0000000000002837
pii: 00000372-990000000-00420
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc.
Déclaration de conflit d'intérêts
The authors declare no conflicts of interest.
Références
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