期刊
JOURNAL OF CUTANEOUS PATHOLOGY
卷 47, 期 9, 页码 860-864出版社
WILEY
DOI: 10.1111/cup.13733
关键词
adnexal neoplasm; cancer; cutaneous neoplasm
Primary cutaneous signet-ring cell/histiocytoid carcinoma of the eyelid is a rare and aggressive neoplasm. Fewer than 50 cases have been reported in the literature, and the genetic driving mutations are unknown. Herein, we present a case of this rare disease along with the results of molecular profiling via targeted next-generation sequencing. The patient is an 85-year-old man who presented with left eyelid swelling initially thought to be a chalazion. After no response to incision and drainage and antibiotics, an incisional biopsy was performed. Histopathologic sections revealed a proliferation of cells with signet-ring and histiocytoid morphology arranged singly and in cords infiltrating the dermis, subcutaneous tissue, and muscle. The lesional cells strongly expressed cytoplasmic cytokeratin 7 and nuclear androgen receptor. Next-generation sequencing revealed aCDH1mutation, which is known to confer signet-ring morphology in other carcinomas. Pathogenic mutations inNTRK3,CDKN1B, andPIK3CAwere also detected. To our knowledge, this is the first documented genetic analysis of this rare disease with findings that offer insights into disease pathogenesis and potential therapeutic targets.
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