adrenal gland neoplasm pheochromocytoma-paraganglioma https://www.malacards.org/card/pheochromocytoma_paraganglioma MEDGEN:1826130 MONDO:0035540 GARD:0022315 UMLS:C5681712 A rare neuroendocrine tumor arising from chromaffin cells of the adrenal medulla (pheochromocytoma) or from sympathetic and parasympathetic ganglia (paraganglioma). These tumors are most often benign and may produce catecholamines in excess causing hypertension and sometimes severe acute cardiovascular complications. Orphanet:573163