This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pathology
Gs alpha mutation is associated with all Except 
Select and explain. 
A. Mc-cune Albright syndrome, B. Pitutary adenomas, C. Pseudohypoparathyroidism, D. Papillary carcinoma thyroid
D: Papillary carcinoma thyroid
Answer: D: Papillary carcinoma thyroid 
Explanation: In Papillary carcinoma there are mutations in RET , BRAF, NTRK1 genes but not in Gs alpha. Ref: Robbins and cotrans 9e Pg 1095