Most common site for pheochromocytoma is?
Correct Answer: Adrenal medulla
Description: Ans. is 'a' i.e., Adrenal medulla * Pheochromacytomas arise in adrenal medulla (not in adrenal cortex) and at extra-adrenal sites along sympathetic chain.* Most pheochromocytomas arise in adrenal medulla* Pheochromocytomas are catecholamine secreting tumors arising from chromaffin cells.* About 10% of these tumors arise at extra-adrenal sites, where they are called paragangliomas. These extra- adrenal sites area) Along the para-aortic sympathetic chain.b) Organ of Zuckerkandl (paravertebral ganglion).c) Along the sympathetic chain in neck and mediastinum.d) In the wall of urinary bladder.
Category:
Pathology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now