All are manifestations of tuberous sclerosis, EXCEPT:: (A) Retinal hamaomas, (B) Pulmonary lymphangioleiomyomatosis, (C) Posterior embryotoxon, (D) Renal angiomyolipomas
Answer is C. Internal manifestations of tuberous sclerosis include seizures, mental retardation, central nervous system (CNS) and retinal hamaomas, pulmonary lymphangioleiomyomatosis (women), renal angiomyolipomas, and cardiac rhabdomyomas. Ref:Harrisons Principles of Internal Medicine, 18th Edition, Page 410