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
The diagnosis of a patient presenting with familial Polyostosis, Precocious pubey and Pigmentation is: 
Select and explain. 
A. Tuberous sclerosis, B. McCune Albright syndrome, C. Klinefelter syndrome, D. SLE
B: McCune Albright syndrome
Answer: B: McCune Albright syndrome 
Explanation: Answer is B (McCune Albright syndrome); McCune Albright syndrome' Polyostotic form of fibrous dysplasia Cutaneous pigmentation Endocrine dysfunction, especially Precocious pubey in girls. The triad of symptoms in the question thus characterizes McCune Albright syndrome and hence is the answer.