3p25.3 microdeletion syndrome

ORPHA: 435638

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 3p25.3 microdeletion syndrome, sourced from HPO and Orphanet clinical annotations.

Motor delayAbnormality of the outer earProminent noseDownslanted palpebral fissuresMotor stereotypyDelayed speech and language developmentHypotoniaAbsent speechDeep philtrumDepressed nasal bridgeCleft palateThin upper lip vermilionBrachycephalyEpicanthusMandibular prognathiaShort philtrumNarrow foreheadMicrognathiaSensorineural hearing impairmentAnteverted naresMicrophthalmiaBlepharophimosisAutistic behaviorSacral dimpleTapered finger2-3 finger cutaneous syndactylyAtaxiaVentricular septal defectAtrial septal defectPulmonic stenosisPatent ductus arteriosusCoronary artery atherosclerosisOverlapping toePyloric stenosisBilateral tonic-clonic seizureGeneralized non-motor (absence) seizureGeneralized myoclonic seizureScoliosisHigh, narrow palateDownturned corners of mouthAcromesomeliaSkeletal muscle atrophyKnee flexion contractureCongenital pseudoarthrosis of the clavicleAttention deficit hyperactivity disorderProximal placement of thumbBroad halluxAbnormal thalamus morphologyBroad thumbCerebral white matter atrophyPostaxial polydactyly

Classification & Codes

Orphanet Code

ORPHA:435638
3p25.3 microdeletion syndrome
OrphanetORPHA:435638
Treatments0 drug(s)
Symptoms on record51 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO