achondrogenesis type II

ORPHA: 93296

Overview

achondrogenesis that has material basis in mutations in the COL2A1 gene which results in underdeveloped lungs, hydrops fetalis, a prominent forehead and abnormal ossification of the located in vertebral column or located in pelvis

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 achondrogenesis type II, sourced from HPO and Orphanet clinical annotations.

Short long boneAbnormal bone ossificationPierre-Robin sequenceAbnormality of the eyeShort ribsNarrow chestHypoplastic iliaEdemaPulmonary hypoplasiaSkeletal dysplasiaMicromeliaShort statureAbsent vertebral body mineralizationDelayed pubic bone ossificationDelayed proximal femoral epiphyseal ossificationMidface retrusionUnossified sacrumDelayed vertebral ossificationHearing impairmentCataractRetinal detachmentMyopiaLens subluxationAbnormal vitreous humor morphologyCardiorespiratory arrest

Classification & Codes

Orphanet Code

ORPHA:93296
achondrogenesis type II
OrphanetORPHA:93296
Treatments0 drug(s)
Symptoms on record25 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO