title: Unusual skin tumors: Merkel cell carcinoma, eccrine carcinoma, glomus tumors, and dermatofibrosarcoma protuberans.
abstract: This article discusses the epidemiology, etiology, presentation, pathology, evaluation and staging, and treatment of unusual skin tumors, such as Merkel cell carcinoma, eccrine carcinoma, glomus tumors, and dermatofibrosarcoma protuberans.
authors.affiliation: Department of Medical Education, Gundersen Lutheran Medical Foundation, 1900 South Avenue, C03-006A, La Crosse, WI 54601, USA.
authors.forename: Jesse L
authors.initials: JL
authors.lastname: Kampshoff
authors.forename: Thomas H
authors.initials: TH
authors.lastname: Cogbill
mesh_terms: D018250:Acrospiroma / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy; D015266:Carcinoma, Merkel Cell / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy; D003131:Combined Modality Therapy; D018223:Dermatofibrosarcoma / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy; D003937:Diagnosis, Differential; D005918:Glomus Tumor / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy; D006801:Humans; D015994:Incidence; D009367:Neoplasm Staging / Q000379:methods; D011379:Prognosis; D012878:Skin Neoplasms / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy; D013544:Sweat Gland Neoplasms / Q000175:diagnosis / Q000453:epidemiology / Q000628:therapy; D014481:United States / Q000453:epidemiology