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: Medicine
Weight gain is seen in all except - 
Select and explain. 
A. Cushings syndrome, B. Hypothyroidism, C. Pheochromocytoma, D. Insulinoma
C: Pheochromocytoma
Answer: C: Pheochromocytoma 
Explanation: Ans. is 'c' i.e., Pheochromacytoma o Pheochromocytoma causes weight loss.Specific syndrome associated with obesities are:o Cushings syndromeQo HypothyroidismQo InsulinomaQo CraniopharyngiomaQ and other disorders involving hypothalamus.o Pheochromocytoma does not cause weight gain, it causes weight losso Endocrine and metabolic causes.of waight losso HyperthyroidismQo Diabetes MellitusQo PheochromocytomaQo Adrenal InsufficiencyQ