XYYY syndrome
ORPHA: 99329
Overview
chromosomal disorder
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 XYYY syndrome, sourced from HPO and Orphanet clinical annotations.
Male hypogonadismAzoospermiaTall statureThick lower lip vermilionHigh palateEpicanthusHypertelorismLong philtrumShort neckAtypical behaviorAggressive behaviorLow frustration toleranceDelayed speech and language developmentGlobal developmental delayAbnormal renal morphologyAcneIntellectual disabilityMild intellectual disabilityAbnormal foot morphologyPes planusAsthmaRecurrent upper respiratory tract infectionsRadioulnar synostosisDislocated radial headDepressed nasal bridgeEnamel hypoplasiaIrregularly spaced teethAbnormal dermatoglyphicsPrimary gonadal insufficiencyFeeding difficultiesImpulsivity
Classification & Codes
Orphanet Code
ORPHA:99329XYYY syndrome
| Orphanet | ORPHA:99329 |
| Treatments | 0 drug(s) |
| Symptoms on record | 31 signs |
| Status | published |
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO