title: [Retroperitoneal nonchromaffin paraganglioma: report of two cases (author's transl)].
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D009404:Nephrotic Syndrome / Q000209:etiology; D010236:Paraganglioma, Extra-Adrenal / Q000150:complications / Q000473:pathology*; D012186:Retroperitoneal Neoplasms / Q000150:complications / Q000473:pathology*
vernacular_title: Paraganglioma retroperitoneal no functionate: a propósito de dos casos.