Table 1 Clinical characteristics of present and previously reported patients with mutations in KIAA0753.

From: Novel KIAA0753 mutations extend the phenotype of skeletal ciliopathies

 

Patient 1

Patient 2

Patient 3

Patient 4

Patient 1 (Chevrier et al. 2016)

Patient 1 (Stephen et al. 2017)

Patient 2 (Stephen et al. 2017)

Clinical diagnosis

SKD + JBTS

SKD + JBTS

SKD + JBTS?

SRTD (fetus)

OFD

JBTS

JBTS

Disproportionate short-limb short stature (HP:0008873)

 + 

 + 

+

+

NA

+*

+*

Thoracic hypoplasia (HP:0005257)

+

+

+

+

NA

NA

NA

Hands

Brachydactyly (HP:0001156)

Brachydactyly (HP:0001156)

Brachydactyly (HP:0001156)

Brachydactyly (HP:0001156)

Polydactyly (HP:0010442)

Protuberant abdomen (HP:0001538)

+

+

+

NA

+

NA

Flexion contracture (HP:0001371)

+

+

NA

NA

NA

NA

Delayed gross motor development (HP:0002194)

+

+

+

NA

NA

 + (borderline)

Delayed speech and language development (HP:0000750)

+

+

+

NA

NA

 + 

 + 

CNS anomalies

Vermis dysplasia (HP:0002334), MTS (HP:0002419), corpus callosum hypoplasia (HP:0007370), dilation of lateral ventricles (HP:0006956), small pituitary gland (HP:0012506)

Vermis dysplasia (HP:0002334), MTS (HP:0002419), corpus callosum hypoplasia (HP:0007370), dilation of lateral ventricles (HP:0006956), small pituitary gland (HP:0012506)

Computer tomography of head was unremarkable, MRI not performed

Ventriculomegaly (HP:0002119), vermis dysplasia (HP:0002334)

Vermis hypoplasia (HP:0001320), MTS (HP:0002419), corpus callosum aplasia (HP:0007370), dilation of lateral ventricles (HP:0006956)

Vermis dysplasia (HP:0002334) and hypoplasia (HP:0001320), MTS (HP:0002419), ectopic posterior pituitary (HP:0011755)

Vermis dysplasia (HP:0002334) and hypoplasia (HP:0001320), MTS (HP:0002419), small pituitary gland (HP:0012506)

Craniofacial anomalies

Frontal bossing (HP:0002007), flat face (HP:0012368), depressed nasal bridge (HP:0005280), teeth hypoplasia (HP:0000685)

Frontal bossing (HP:0002007), flat face (HP:0012368), depressed nasal bridge (HP:0005280), teeth hypoplasia (HP:0000685)

Frontal bossing (HP:0002007), flat face (HP:0012368), low set ears (HP:0000369)

Wide nasal bridge (HP:0000431), low set, posteriorly rotated ears (right) (HP:0000368), short lingual frenulum (HP:0000200)

Flat face (HP:0012368), hypertelorism (HP:0000316), wide nasal bridge (HP:0000431), low set, posteriorly rotated ears (left) (HP:0000368), lobulated tongue (HP:0000180)

Flat face (HP:0012368), low set, posteriorly rotated ears (HP:0000368), oculomotor apraxia (HP:0000657)

Frontal bossing (HP:0002007), flat face (HP:0012368), low set, posteriorly rotated ears (HP:0000368), oculomotor apraxia (HP:0000657)

Growth hormone deficiency (HP:0000824)

Lower limit

NA

NA

NA

 + *

+*

  1. SKD, skeletal dysplasia; JBTS, Joubert syndrome; SRTD, short-rib thoracic dysplasia; OFD, orofaciodigital syndrome; +, present; −, absent; NA, not available; MTS, molar tooth sign; MRI, magnetic resonance imaging; *, children responded to growth hormone therapy.