14q12 microdeletion syndrome

ORPHA: 261144

Overview

14q12 microdeletion syndrome is a recently described syndrome characterized by severe intellectual deficit, with a normal neonatal period, followed by a phase of regression at the age of 3-6 months

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 14q12 microdeletion syndrome, sourced from HPO and Orphanet clinical annotations.

MacroglossiaEverted lower lip vermilionMicrocephalyEpicanthusMandibular prognathiaSmooth philtrumProtruding earBulbous noseDownslanted palpebral fissuresBlepharophimosisMotor stereotypySeizureHypotoniaAgenesis of corpus callosumAbsent speechGrowth delayGastroesophageal refluxDevelopmental regressionScoliosisKyphosisShort noseExcessive salivationDepressed nasal bridgeProminent metopic ridgeAbnormal antihelix morphologyTented upper lip vermilionSevere intellectual disabilityFeeding difficultiesPalpebral edema

Classification & Codes

Orphanet Code

ORPHA:261144
14q12 microdeletion syndrome
OrphanetORPHA:261144
Treatments0 drug(s)
Symptoms on record29 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO
14q12 microdeletion syndrome | OrphanDrug