This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
All of the following are features of MEN II a, except: 
Select and explain. 
A. Pituitary tumor, B. Pheochromocytoma, C. Medullary Ca thyroid, D. Neuromas
A: Pituitary tumor
Answer: A: Pituitary tumor 
Explanation: Diseases associated with Multiple Endocrine Neoplasia (MEN) II a are: ? Medullary thyroid carcinoma ? Pheochromocytoma ? Parathyroid hyperplasia or adenoma Pituitary tumor is not a feature of MEN II syndrome. It is featured only in MEN I. Ref: Harrison's Principle of Internal Medicine, 16th Edition, Pages 2231-2234