title: Pathologic quiz case: a retroperitoneal mass in a young woman.
authors.affiliation: Departments of Pathology, University Hospital Miguel Servet, Zaragoza, Spain.
authors.forename: J
authors.initials: J
authors.lastname: Azua-Romeo
authors.forename: C
authors.initials: C
authors.lastname: Yus
authors.forename: E
authors.initials: E
authors.lastname: del Valle
authors.forename: J M
authors.initials: JM
authors.lastname: Grasa-Ullrich
mesh_terms: D000328:Adult; D000740:Anemia / Q000209:etiology; D002291:Carcinoma, Papillary / Q000473:pathology* / Q000601:surgery; D003937:Diagnosis, Differential; D017809:Fatal Outcome; D005260:Female; D006801:Humans; D010190:Pancreatic Neoplasms / Q000473:pathology* / Q000601:surgery; D012186:Retroperitoneal Neoplasms / Q000473:pathology* / Q000556:secondary* / Q000601:surgery