Alpha-thalassemia mental retardation syndrome

MeSH: C538258ORPHA: 847

Overview

alpha thalassemia that has material basis in mutation in the ATRX gene on Xq21

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 Alpha-thalassemia mental retardation syndrome, sourced from HPO and Orphanet clinical annotations.

Optic atrophyDepressionOsteoporosisBrachydactylyHypotoniaSpastic paraplegiaAgenesis of corpus callosumFlexion contractureJoint stiffnessGrowth delayAbnormal heart morphologyAnemiaNausea and vomitingConstipationCerebral cortical atrophyAganglionic megacolonInfectious encephalitisVolvulusScoliosisClinodactyly of the 5th fingerFeeding difficulties in infancyAbnormality of movementSelf-injurious behaviorCryptorchidismMale pseudohermaphroditismAmbiguous genitaliaMicrocephalyAbnormality of the faceHypertelorismAtypical behaviorIntellectual disabilityGastroesophageal refluxAphasiaAbnormality of the male genitaliaAbnormal fontanelle morphologyFlat faceProfound global developmental delayMacroglossiaThick lower lip vermilionEverted lower lip vermilionEpicanthusDepressed nasal ridgeAnteverted naresVisual impairmentTelecanthusAutismSeizureMotor delayTalipes equinovarusDroolingSleep disturbanceKyphosisShort statureHypoplasia of penisTented upper lip vermilionU-Shaped upper lip vermilionMidface retrusionAbnormal hemoglobinRecurrent urinary tract infectionsAbnormality of the kidneyHydronephrosisAbnormality of the dentitionSensorineural hearing impairmentMyopiaBlindness

Classification & Codes

MeSH Code

C538258

Orphanet Code

ORPHA:847
Alpha-thalassemia mental retardation syndrome
MeSHC538258
OrphanetORPHA:847
Treatments0 drug(s)
Symptoms on record65 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO