This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics And Genetic Disorders, Subject name: Pediatrics
Precocious puberty and patchy skin pigmentation is known to occur in: 
Select and explain. 
A. McCune Albright syndrome, B. Litter Siwe disease, C. Asherman's syndrome, D. Morquio's syndrome
A: McCune Albright syndrome
Answer: A: McCune Albright syndrome 
Explanation: Ans. A. McCune Albright SyndromeMcCune-Albright Syndrome is characterized by Precocious Puberty with Polyostotic Fibrous Dysplasia and Abnormal Pigmentation. This syndrome of endocrine dysfunction is associated with patchy cutaneous pigmentation and fibrous dysplasia of the skeletal system. A classical cause of peripheral precocious puberty, it can also induce pituitary, thyroid, and adrenal aberrations.