Pheochromocytoma Associated with Pregnancy: Anaesthetic Management

Pheochromocytomas are the tumor of neural crest cells of adrenal gland secretes Catecholamines (norepinephrine being greater than epinephrine). It causes hypertension in 0.1% of cases.1 80-90 % are solitary tumors localized to single adrenal gland usually right side while 10% are bilateral. They may originate any where in neural crest side from neck to inguinal ligament e.g. right atrium, spleen, broad ligament of ovary, vagina, bifurcation of aorta and in 10% of cases it is inherited as familial autosomal dominant trait. In such cases it is associated with Men 2a, 2b,2 Von hippel disease3 and neurofibromatosis.