title: [Immunohistochemical diagnosis of metastases of small round cell carcinomas with undetected primary focus].
abstract: 17 small round cell tumors of unkown primary site were studied. The main location was lymph nodes and brain. Immunohistochemical study was performed. One of the following diagnosis was obtained in 14 cases (82.4%): small cell carcinoma, Merkel cell carcinoma, melanoma, Ewing sarcoma family tumor. In other three cases (17.6%) tumor histogenesis was not determined definitively.
authors.forename: N A
authors.initials: NA
authors.lastname: Savelov
authors.forename: N N
authors.initials: NN
authors.lastname: Petrovichev
authors.forename: O A
authors.initials: OA
authors.lastname: Anurova
authors.forename: A I
authors.initials: AI
authors.lastname: Pavlovskaia
authors.forename: A G
authors.initials: AG
authors.lastname: Tatosian
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D014408:Biomarkers, Tumor; D001932:Brain Neoplasms / Q000175:diagnosis / Q000556:secondary*; D015266:Carcinoma, Merkel Cell / Q000175:diagnosis / Q000556:secondary; D018288:Carcinoma, Small Cell / Q000175:diagnosis / Q000556:secondary*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D008113:Liver Neoplasms / Q000175:diagnosis / Q000556:secondary*; D008223:Lymphoma / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009382:Neoplasms, Unknown Primary / Q000175:diagnosis / Q000473:pathology*; D012512:Sarcoma, Ewing / Q000175:diagnosis / Q000556:secondary
chemical_list: D014408:Biomarkers, Tumor