China Journal of Leprosy and Skin Diseases ›› 2022, Vol. 38 ›› Issue (5): 307-309.doi: 10.12144/zgmfskin202205307

• Clinical Researches • Previous Articles     Next Articles

Merkel cell carcinoma combined squamous cell carcinoma in situ: a case report and literature review

ZHU Huiying, ZHANG Zhaoxia, ZHOU Guizhi, WANG Jianwen, CHEN Shengli   

  1. Shandong Provincial Hospital for Skin Diseases & Shandong Provincial Institute of Dermatology and Venereology, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250022, China
  • Online:2022-05-15 Published:2022-03-15
  • Contact: CHEN Shengli, E-mail: shengli28@163.com

Abstract: Merkel cell carcinoma (MCC) is a rare and highly aggressive neuroendocrine carcinoma that primarily arises on skin of head and neck (41%-50%), followed by lower limbs and upper extremities (32%-38%). MCC is susceptible in elderly persons. MCC may occur concurrently with squamous cell carcinoma, Bowen disease, basal cell carcinoma, and (or) other cutaneous malignancies. We report a case of Merkel cell carcinoma with squamous cell carcinoma in situ in a non-photoexposed site and review the related literature.

Key words: merkel cell carcinoma, squamous cell carcinoma