PEHO syndrome

MeSH: C536317ORPHA: 2836

Overview

PEHO (Progressive encephalopathy with Edema, Hypsarrhythmia and Optic atrophy) syndrome is a rare neurodegenerative disorder belonging to the group of infantile progressive encephalopathies

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 PEHO syndrome, sourced from HPO and Orphanet clinical annotations.

Abnormal pinna morphologyAbnormal palate morphologyAbnormal upper lip morphologyOpen mouthMalar flatteningEpicanthusFull cheeksMacrotiaAbnormality of eye movementVisual lossOptic atrophyTapered fingerSeizureGlobal developmental delayHyperreflexiaCerebral cortical atrophyDrowsinessEEG abnormalityHypsarrhythmiaShort noseBiparietal narrowingSevere muscular hypotoniaSevere intellectual disabilityMidface retrusionFeeding difficultiesInfantile spasmsAbnormality of movementGingival overgrowthHydrocephalusMicrocephalyAnteverted naresCerebellar atrophyFlexion contractureLimitation of joint mobilityVentriculomegalyPorencephalic cystRecurrent respiratory infectionsAtrophy/Degeneration affecting the brainstemPedal edemaPeripheral edemaPalpebral edemaArthrogryposis multiplex congenita

Classification & Codes

MeSH Code

C536317

Orphanet Code

ORPHA:2836
PEHO syndrome
MeSHC536317
OrphanetORPHA:2836
Treatments0 drug(s)
Symptoms on record42 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO