<prompt> The diagnosis of a patient presenting with familial Polyostosis, Precocious puberty and Pigmentation isTuberous sclerosisMcCune Albright syndromeKlinefelter syndromeSLE  <response>: McCune Albright syndrome :A polyostotic form of fibrous dysplasiaCutaneous pigmentationEndocrine dysfunction, especially Precocious puberty in girls.The triad of symptoms in the question thus characterizes McCune Albright syndrome and hence is the answer. 