Skip to main content
. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Mol Genet Metab. 2018 May 15;125(1-2):18–37. doi: 10.1016/j.ymgme.2018.05.004

Table 1.

Differential diagnosis between MPS IVA and others diseases

MPSIVA MPSIVB MP S I MP S II MP S VI MPVVII GM1 SED LCPD DMC SMC
Abnormal Behavior ++ +
Anterior Breaking: vertebral bodies +++ ++ +++ +++ ++ ++ +++ + ++ ++
Cardiac Valve Abnormalities ++ ++ +++ ++ +++ +++ +++
Cervical Instability +++ ++ +++ ++ +++ +++
Chest Abnormalities: rib flaring +++ +++ ++ ++ +++ + ++ ++
Claw Hands (rigid fingers and hands) ++ ++ ++ ++ + +
CNS Impairment ++ ++ ++ ++ ++
Coarse Face + + ++ ++ ++ ++ ++ ++ ++
Coarse Hair + + ++ ++ + ++
Corneal Clouding ++ ++ ++ + ++ ++ ++
Cranofacial Dysmorphia ++ ++ ++ ++
Dental Abnormalities: widely spaced teeth ++ ++ ++ ++ ++ ++
Developmental Delay ++ ++ ++ ++ ++
Disproportionate Dwarfism ++ ++ ++ ++ ++ ++ + + + +
Fetal Hydrops ++ +
Hearing Loss ++ ++ ++ ++ ++ ++ ++ ++
Hepatosplenomegaly + + ++ ++ ++ ++ ++
Hip Deformity ++ ++ ++ ++ ++ ++ ++ ++
Hydrocephalus ++ + ++ ++
Hyperactivity ++ ++
Hypermobile joint (weak wrist and double fingers) ++ ++
Hypertrophic adenoid and tonsil ++ ++ ++ ++ +
Inguinal Hernia + + ++ ++ ++ ++
Joint Pain ++ ++ ++ ++ ++ ++ ++ + +
Joint Stiffness ++ ++ ++ ++ + ++ ++
Knock Knee (genu valgum) ++ ++ ++ ++ ++ ++ ++ ++ ++
Kyphosis/Gibbus ++ ++ ++ + ++ ++ ++ ++ ++ ++
Large Head ++ ++ ++ ++ ++ ++
Large Mandible ++ ++ + +
Large Tongue ++ + ++ ++ ++ ++
Loud breathing, shortness of breath ++ ++ ++ ++
Muscular Weakness ++ ++ ++ ++ + + ++ ++ ++ ++
Normal Intelligence ++ ++ + + ++ ++ ++ ++ ++ + ++
Odontoid Hypoplasia ++ ++ + ++ ++ ++ ++
Pectus Carinatum ++ ++ ++ ++ ++ ++
Platyspondyly: vertebral bodies ++ ++ ++ ++ ++ ++ ++
Recurrent otitis media ++ ++ + ++ ++ ++
Recurrent respitatory infections ++ ++ ++ ++ ++ ++
Rigidity of Joints (shoulder, elbow) + + ++ ++ ++ ++
Scoliosis ++ ++ ++ ++ ++ ++ + ++ ++ ++
Short Neck ++ ++ ++ ++ ++ ++
Short Stature ++ ++ ++ ++ ++ ++ ++ + ++ ++ + ++ ++
Short Trunk ++ ++ + + ++ ++ ++ ++
Sleep Apnea ++ ++ ++ ++ ++ ++
Sleep Distrubance ++ ++ ++ +
Snoring ++ ++ ++ + ++
Speech Delay + ++ ++ ++ ++
Umbilical Hernia + + ++ ++ ++ ++
Visual Impariment ++ ++ ++ + ++ + ++ ++
Waddling Gait ++ ++ ++ + ++ ++