The diagnosis of a patient presenting with familial Polyostosis, Precocious puberty and Pigmentation is: (A) Tuberous sclerosis, (B) McCune Albright syndrome, (C) Klinefelter syndrome, (D) SLE
Answer is B. McCune Albright syndrome :

A polyostotic form of fibrous dysplasia
Cutaneous pigmentation
Endocrine dysfunction, especially Precocious puberty in girls.
The triad of symptoms in the question thus characterizes McCune Albright syndrome and hence is the answer.