disease arises from structure disease arises from alteration in structure adrenal medulla chromaffin cell adrenal gland pheochromocytoma https://www.malacards.org/card/adrenal_gland_pheochromocytoma GARD:0024140 NANDO:2200078 A benign or malignant neuroendocrine neoplasm of the sympathetic nervous system that secretes catecholamines. It arises from the chromaffin cells of the adrenal medulla. Clinical presentation includes headaches, palpitations, chest and abdominal pain, hypertension, fever, and tremor. Microscopically, a characteristic nesting (zellballen) growth pattern is usually seen. Other growth patterns including trabecular pattern may also be present. pheochromocytoma (adrenal) adrenal gland pheochromocytoma DOID:0050892 ICDO:8700/0 adrenal gland chromaffin paraganglioma PCC adrenal gland paraganglioma Intraadrenal paraganglioma adrenal pheochromocytoma adrenal medullary pheochromocytoma NCIT:C3326 UMLS:C4551683 adrenal medullary paraganglioma adrenal gland Chromaffinoma pheochromocytoma EFO:0000239 MEDGEN:1636437 MONDO:0004974 chromaffin paraganglioma of the adrenal gland sympathetic paraganglioma adrenal medulla neoplasm