title: Malignant mediastinal chemodectoma.
abstract: A 20-year-old man with a posterior mediastinal mass and erosion of the rib proved to have a malignant chemodectoma. The case is of interest because of the rare location and malignant fatal course.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008479:Mediastinal Neoplasms / Q000473:pathology*; D010236:Paraganglioma, Extra-Adrenal / Q000473:pathology*