title: Mediastinal epithelioid solitary fibrous tumor.
abstract: We describe the case of a 74-year-old man with a mediastinal tumor composed predominantly of epithelioid cells exhibiting histopathologic and immunohistochemical features intermediate between those of a solitary fibrous tumor and those of a cellular adenomatoid tumor. We discuss the differential diagnosis and possible histogenesis of this unusual neoplasm, and we propose the term epithelioid solitary fibrous tumor for this entity.
authors.affiliation: Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, Calif 90048, USA. marchevsky@cshs.org
authors.forename: Alberto M
authors.initials: AM
authors.lastname: Marchevsky
authors.forename: Dolly
authors.initials: D
authors.lastname: Varshney
authors.forename: Clark
authors.initials: C
authors.lastname: Fuller
mesh_terms: D018254:Adenomatoid Tumor / Q000175:diagnosis; D000368:Aged; D002277:Carcinoma / Q000175:diagnosis / Q000601:surgery; D003937:Diagnosis, Differential; D015622:Epithelioid Cells / Q000473:pathology*; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000175:diagnosis*; D008654:Mesothelioma / Q000175:diagnosis*; D018365:Neoplasm, Residual / Q000175:diagnosis; D018218:Neoplasms, Fibrous Tissue / Q000175:diagnosis*; D011471:Prostatic Neoplasms / Q000175:diagnosis / Q000601:surgery