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. 2020 Feb 18;28(8):1044–1055. doi: 10.1038/s41431-020-0582-3

Table 3.

Clinical features of the 14 reported patients.

Patient

ZBTB20 variant type

1

Mis. SNV

2

Mis. SNV

3

Mis. SNV

4

Mis. SNV

5

Mis. SNV

6

Mis. SNV

7

Del

8

Del

9

Del

10

Del

11

Del

12

Del

13

Del

14

Trunc. variant

Sex F F M F M F M M F F M M M M
Age (years) 12 24 2 40 3 6 15 20 5 4 38 3 3 5
Measurements
 Birth weight (kg) 2.93 3.5 3 3.6 3.74 3.33 3.45 3.85 3.34 2.7 3.9 2.19 2.39 3.84
 Birth length (cm) 48 52 54 50 53 51 52.5 51 50 50 53 48 48 53
 Birth OFC (cm) 36 NA 36 40 39 37 36.5 35 36 34 37 34 34 38.5
 Weight at last visit (SD) NA −3 +0 +0 +1.5 −2 +0 +3 +3 +1 NA +0 −0.5 +0
 Length at last visit (SD) −3 −3 +0 −0.5 +2 −1.5 +0 +2 +3.5 +1 +2 +1 +0.5 +1
 OFC at last visit (SD) NA +0.5 +2.5 +2 +3 +2.5 −2 +0 +2 +2 +1.5 +0.5 +0.5 +3
Neurological
 Developmental delay/ID S S S Mod S S Mod Mod Mod S S Mod Mod Mi
 Ataxia + +
 Fine motor disorders + +
 Chronic pain +
 Corpus callosum anomaly + + + + + + +
 Cerebral calcifications
 Behavior disorders + + + +
 Aggressivity +
 Anxiety + + + +
 Motor stereotypies + + + + + + +
 Autism +
 Schizophrenia +
Facial features
 Plagiocephaly + + + +
 Prominent forehead + + + + +
 Strabismus + + + +
 Downslanted palpebral fissures + + + + + + + + +
 Ptosis + +
 Epicanthus + + + + + + +
 Large ears + + + + +
 Depressed nasal bridge +
 Anteverted nares + + + +
 Downturned corners of the mouth + + +
 Small mouth + + +
 High-arched palate +
 Retrognathia + +
Muscular
 Hypotonia + + + + + + + + + + +
 Muscle wasting +
 Muscle contracture +
Sensory
 Bilateral hearing loss, perceptive or mixed + + + + + +
Orthopedic
 Ossification delay + + NA NA NA + NA NA NA NA NA NA NA NA
  Joint hyperlaxity + + + + + + +
  Knee malposition valg valg recurv valg recurv
  Hip dysplasia
  Spine anomalies scol kyphosis scol
  Long fingers +
  Feet malposition valg varus valg pes planus valg, pes planus
Endocrinology
 Hypothyroidism + +
 Puberty delay NC + NC NC NC + NC NC NC NC NC
Others
 Constipation + + + + + +
 Calcification of the external auditory canal
 Pinnae calcification NA NA NA + NA NA NA NA NA NA NA NA NA
 Bilateral cryptorchidism NC NC NC NC + NC NC
 Congenital cardiopathy + +

Del deletion, Mi mild, Mis missense, Mod moderate, NA not available, NC not concerned, S severe, Trunc truncating, Recurv recurvatum, Valg valgus, Scol scoliosis.