title: CK7+/CK20- Merkel cell carcinoma presenting as inguinal subcutaneous nodules with subsequent epidermotropic metastasis.
authors.forename: Yen-Yun
authors.initials: YY
authors.lastname: Tsai
authors.forename: Cheng-Hsiang
authors.initials: CH
authors.lastname: Hsiao
authors.forename: Hsien-Ching
authors.initials: HC
authors.lastname: Chiu
authors.forename: Ming
authors.initials: M
authors.lastname: Chen
authors.forename: Tsen-Fang
authors.initials: TF
authors.lastname: Tsai
mesh_terms: D000368:Aged; D014408:Biomarkers, Tumor / Q000032:analysis*; D001706:Biopsy; D015266:Carcinoma, Merkel Cell / Q000737:chemistry / Q000175:diagnosis* / Q000556:secondary; D006801:Humans; D007150:Immunohistochemistry; D053554:Keratin-20 / Q000032:analysis; D053552:Keratin-7 / Q000032:analysis*; D008297:Male; D012867:Skin / Q000737:chemistry* / Q000473:pathology*; D012878:Skin Neoplasms / Q000737:chemistry / Q000175:diagnosis* / Q000473:pathology
chemical_list: D014408:Biomarkers, Tumor; C507499:KRT20 protein, human; C507497:KRT7 protein, human; D053554:Keratin-20; D053552:Keratin-7