Urinary bladder paraganglioma dreaded tumor

Catecholamine-secreting tumors that arise from chromaffin cells of the adrenal medulla and t sympathetic ganglia are referred to as pheochromocytomas and extra adrenal catecholamine secreting paragangliomas (extra adrenal pheochromocytomas), respectively. paragangliomas are rare entities with initial non of urinary bladder pheochromocytomas from other bladder tumors has important treatment implications. We have presented here outpatient urology clinic with complains of Cystoscopy revealed diffusely thickened bladder wall with a well circumscribed smooth surfaced mass protruding from the right lateral wall of the bladder. histopathology. After cystectomy, diagnosis of paraganglioma of bladder was done by histopathology and immunohistochemistry.