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.
Also Known As:
Morquio Syndrome; Morquio Disease; Eccentroosteochondrodysplasia; GALNS Deficiency; Galactosamine-6-Sulfatase Deficiency; MPS IV A; MPS IV B; MPS IVA; MPS IVB; Morquio A Disease; Morquio B Syndrome; Morquio Syndrome A; Morquio Syndrome B; Morquio Syndrome, Type B; Morquio's Disease Type B; Morquio's Syndrome; Morquio-B Disease; Mucopolysaccharidosis 4; Mucopolysaccharidosis 4B; Mucopolysaccharidosis Type IV; Mucopolysaccharidosis Type IV A; Mucopolysaccharidosis Type IV B; Mucopolysaccharidosis Type IVA; Mucopolysaccharidosis Type IVB; Deficiencies, GALNS; Deficiencies, Galactosamine-6-Sulfatase; Deficiency, GALNS; Deficiency, Galactosamine-6-Sulfatase; Disease, Morquio; Disease, Morquio A; Disease, Morquio's; Disease, Morquio-B; Eccentro Osteochondrodysplasia; Eccentro-Osteochondrodysplasias; Eccentroosteochondrodysplasias; GALNS Deficiencies; Galactosamine 6 Sulfatase Deficiency; Galactosamine-6-Sulfatase Deficiencies; IV, Mucopolysaccharidosis Type; IVs, Mucopolysaccharidosis Type; Morquio B Disease; Morquio Syndromes; Morquios Disease; Morquios Syndrome; Mucopolysaccharidosis 4Bs; Mucopolysaccharidosis Type IVBs; Mucopolysaccharidosis Type IVs; Syndrome A, Morquio; Syndrome, Morquio; Syndrome, Morquio B; Syndrome, Morquio's; Syndromes, Morquio; Type IV, Mucopolysaccharidosis; Type IVs, Mucopolysaccharidosis; Eccentro-Osteochondrodysplasia; Morquio's Disease