Mucopolysaccharidosis IV

Eccentroosteochondrodysplasia; MPS IV A; MPS IV B; Morquio Disease; Morquio's Syndrome; Mucopolysaccharidosis 4; Disease, Morquio; Disease, Morquio's; Eccentro Osteochondrodysplasia; Eccentro-Osteochondrodysplasias; Eccentroosteochondrodysplasias
Genetic disorder of mucopolysaccharide metabolism characterized by skeletal abnormalities, joint instability, development of cervical myelopathy, and excessive urinary keratan sulfate. There are two biochemically distinct forms, each due to a deficiency of a different enzyme.