Pfeiffer syndrome type 2

ORPHA: 93259

Overview

Pfeiffer syndrome type 2 (PS2) is a frequent and severe type of Pfeiffer syndrome (PS; see this term), characterized by cloverleaf skull, severe associated functional disorders, and hand/foot and elbow/knee abnormalities

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 Pfeiffer syndrome type 2, sourced from HPO and Orphanet clinical annotations.

Cleft palateHigh palateHydrocephalusMalar flatteningHypertelorismHigh foreheadLow-set earsAtresia of the external auditory canalChoanal atresiaProptosisVisual lossIntellectual disabilitySeizureGlobal developmental delayLimitation of joint mobilityLaryngomalaciaToe syndactylyShort footAnal atresiaRespiratory distressChiari malformationAqueductal stenosisIncreased intracranial pressureIntestinal malrotationCloverleaf skullTracheomalaciaShort noseDepressed nasal bridgeFinger syndactylyHallux varusDeviation of the thumbBroad hallux phalanxShort halluxBroad thumbSmall hand

Classification & Codes

Orphanet Code

ORPHA:93259
Pfeiffer syndrome type 2
OrphanetORPHA:93259
Treatments0 drug(s)
Symptoms on record35 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO