title: DNA-analysis is mandatory in case of an uncommon malignancy.
abstract: In a child a diagnosis of sweat gland carcinoma was made on basis of a surgical specimen presumed to be taken from an occipital lymph node. DNA analysis confirmed mixing of specimens in the referring hospital.
authors.affiliation: Department of Pediatric Oncology, University of Amsterdam, The Netherlands.
authors.forename: H
authors.initials: H
authors.lastname: van den Berg
authors.forename: E A
authors.initials: EA
authors.lastname: Verhagen
authors.forename: P F
authors.initials: PF
authors.lastname: Schouwenburg
authors.forename: J
authors.initials: J
authors.lastname: Bras
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis* / Q000235:genetics*; D002648:Child; D004273:DNA, Neoplasm / Q000235:genetics*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D013544:Sweat Gland Neoplasms / Q000175:diagnosis* / Q000235:genetics*
chemical_list: D004273:DNA, Neoplasm