congenital disorder of glycosylation Iu

ORPHA: 329178

Overview

human disease

Available Treatments (0)

No treatments linked yet

Clinical trials or compassionate use may be available — consult a specialist.

Clinical Presentation

Signs and symptoms associated with congenital disorder of glycosylation Iu, sourced from HPO and Orphanet clinical annotations.

Progressive microcephalyMicrognathiaOsteopeniaGlobal developmental delayGeneralized hypotoniaCerebellar hypoplasiaAbsent speechFailure to thriveAbnormal facial shapeMyopathic faciesGeneralized myoclonic seizurePoor head controlScoliosisElevated circulating creatine kinase concentrationType I transferrin isoform profileContractures of the large jointsAbsent smooth pursuitGeneralized clonic seizureEpileptic encephalopathyHigh palateThin upper lip vermilionTrigonocephalyLow anterior hairlineStrabismusHypotelorismOptic atrophyDental malocclusionPolyhydramniosReduced antithrombin III activityDeep philtrumRespiratory distressRecurrent respiratory infectionsHepatomegalyAbnormal periventricular white matter morphologyElevated circulating hepatic transaminase concentrationShort noseExternal genital hypoplasiaEEG with burst suppressionCerebral white matter atrophyNasogastric tube feeding

Classification & Codes

Orphanet Code

ORPHA:329178
congenital disorder of glycosylation Iu
OrphanetORPHA:329178
Treatments0 drug(s)
Symptoms on record40 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO