Mental retardation is not a feature of one of the following Mucopolysaccharidosis?: (A) Hurler MPS-I, (B) Hunter MPS -II, (C) Sanfillipo MPS -III, (D) Morquio MPS --IV
Answer is D. Features of Morquio MPS-IV:HepatosplenomegalySkeletal dysplasia, odontoid hypoplasiaCorneal cloudingGranulated neutrophilsAoic valve diseaseNo mental retardation(Ref: Harrison's 18/e p2452, table 355-1)