Monday, August 13, 2018

Repeated USMLE Questions Step 1- 225

You diagnose a 30-year-old healthy man with medullary cancer of the thyroid. You also note that the patient further has hyperplasia of the parathyroid gland.

Keeping all these factors in mind, you should also investigate the possibility of what in the patient?

A- Pheochromocytoma

B- Malignant melanoma

C- Hodgkin's lymphoma

D- Nowen's tumor


Pheochromocytoma grows on the adrenal glands and secretes catecholamines. It is rare and benign tumor. Multiple Endocrine Neoplasia Type 2 is a hereditary condition associated with three types of tumors, medullary carcinoma of the thyroid, pheochromocytoma and parathyroid tumors.

The correct answer is A

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