Angelman syndrome due to a point mutation

ORPHA: 411511

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 Angelman syndrome due to a point mutation, sourced from HPO and Orphanet clinical annotations.

Wide mouthWidely spaced teethHypopigmentation of the skinSeizureMild intellectual disabilityObesityEEG abnormalityLower limb hyperreflexiaCessation of head growthSecondary microcephalyHypopigmentation of hairIris hypopigmentationFloppy infantHappy demeanorMild microcephalyMandibular prognathiaStrabismusInappropriate laughterAtaxiaGlobal developmental delayDysphagiaPoor suckHeat intoleranceBroad-based gaitGait imbalanceAbnormal speech patternDroolingFlat occiputProtruding tongueFeeding difficultiesAbnormality of movementRecurrent hand flappingTongue thrustingAbnormal eating behavior

Classification & Codes

Orphanet Code

ORPHA:411511
Angelman syndrome due to a point mutation
OrphanetORPHA:411511
Treatments0 drug(s)
Symptoms on record34 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO