This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'An 18-year-old girl presents with amenorrhoea, milk discharge, weight loss. Diagnosis is \nSelect and explain. \nA. Pituitary Cancer, B. Anorexia nervosa, C. Hypothyroidism, D. Hypothalamic cause', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Its tempting here to go for Hypothyroidism but that is usually associated with weight gain. However, pituitary tumors and craniopharyngiomas can cause increase in PRL and consequent galactorrhea , weight loss attributed then to the malignant process. Ref - Harrison 20e pg2673', 'role': 'assistant'}]