congenital disorder of glycosylation type IIg

ORPHA: 263508

Overview

congenital disorder of glycosylation type II that has material basis in a mutation of COG1 on chromosome 17q25.1

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 type IIg, sourced from HPO and Orphanet clinical annotations.

Pierre-Robin sequenceThin upper lip vermilionSmooth philtrumPosteriorly rotated earsShort neckRib fusionOsteopeniaAbnormal macular morphologyMild intellectual disabilityCerebellar vermis hypoplasiaFailure to thriveTalipes equinovarusAbnormal facial shapePulmonary arterial hypertensionEnlarged cisterna magnaShort long boneButterfly vertebraeIrregularity of vertebral bodiesPostnatal growth retardationRhizomeliaAtrial septal dilatationType II transferrin isoform profilePosterior rib gapNarrow mouthHigh palateProgressive microcephalyHypertelorismLong philtrumMicrognathiaWide nasal bridgeBroad neckDownslanted palpebral fissuresGeneralized hypotoniaHepatosplenomegalyModerate intellectual disabilityCoxa valgaKyphoscoliosisFlat acetabular roofVertebral segmentation defectCerebellar dysplasiaTemporal cortical atrophyMicrotiaMild global developmental delay

Classification & Codes

Orphanet Code

ORPHA:263508
congenital disorder of glycosylation type IIg
OrphanetORPHA:263508
Treatments0 drug(s)
Symptoms on record43 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO