title: Functioning malignant nonchromaffin paraganglioma of retroperitoneum with metastases.
abstract: A case is reported of a functioning, malignant nonchromaffin paraganglioma (chemodectoma) of the retroperitoneum with metastases in a seventeen-year-old boy. The literature is reviewed and the treatment modalities are discussed.
mesh_terms: D000293:Adolescent; D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis / Q000175:diagnosis* / Q000532:radiotherapy; D010236:Paraganglioma, Extra-Adrenal / Q000175:diagnosis* / Q000473:pathology / Q000532:radiotherapy; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000532:radiotherapy