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Table 1 Clinical features in patients with 20p12.3 deletion

From: 20p12.3 deletion is rare cause of syndromic cleft palate: case report and review of literature

First author of reference

Deletion

Congenital abnormalities

Our patient

De novo 20p12.3 deletion

Failure to thrive, psychomotor delay

Small forehead, hypertelorism, downslanting palpebral fissures, low set ears, broad nasal bridge, bulbous nose, short philtrum, down turned corners of the mouth, microstomia, micrognathia, widespread tooth decay, dental overlapping

Cleft palate, bifid uvula

Lalani et al. [8]

Patient 1

De novo 20p12.3 deletion

Failure to thrive, Neurocognitive delay

Downslanting palpebral fissures, bilateral epicanthal folds, broad nasal root and bridge, malar hypoplasia, full cheeks, microstomia, Persistent fetal pads

Wolff parkinson white syndrome

Patient 2

Maternal 20p12.3 deletion

Short stature, Macrocephaly, Neurocognitive delay, motor delay

Frontal upsweep, downslanting palpebral fissures, epicanthal folds, hypertelorism, small ears with thickened helices, long philtrum, microstomia,

Broad thumbs/toes with persistent fetal pads

Wolff parkinson white syndrome

Patient 3

De novo 20p12.3 deletion

Macrocephaly, Neurocognitive delay, motor delay

Hypertelorism, malar hypoplasia, persistent fetal pads

Sahoo et al. [9]

Patient 1

Maternal 20p12.3 deletion

Failure to thrive, microcephaly micrognathia, Pierre Robin sequence, large communicating fontanelles, long philtrum, pectus excavatum, diastasis recti, gap between halluces and second toes, vertical creases, deep palmar flexion creases, short 5th fingers

Cleft palate

Patent foramen ovale

Patient 2

?

Failure to thrive, microcephaly, language deficits

Large eyes, synophrys, long philtrum, upturned nose, microstomia

Deafness, cholesteatoma

Cleft palate, high-arched hard palate, bifid uvula

Zygodactylous triradius between the 2nd and 3rd rightoes

Patient 3

De novo 20p12.3 deletion

Failure to thrive, motor deficits with a head lag and wobble, delayed/poor reflexes, central hypotonia and feeding difficulties

Flat facial profile, prominent forehead, downslanting palpebral fissures, depressed nasal bridge, small, upturned nose with anteverted nares, pinpoint hemangioma on the tip of the nose, long philtrum, micrognathia, transverse crease across the chin

Decreased muscle mass, subtle hyperextensibility of hands and feet, recurrent hip dislocations and developmental dysplasia of the hips

U-shaped cleft palate

Williams et al. [7]

Paternal 20p12.3 deletion

Failure to thrive, microcephaly, psychomotor delay, microretrognathia, widened palpebral fissures, long philtrum, digital hypoplasia of second and third toes, self-stimulatory behaviors, mild dextroscoliosis, central incisors, bifid uvula, cleft palate

  1. Words in italics represents features in common with our patient