Table 1 Phenotypic manifestations of the present patient with the p.A48G variant and summary of previously reported cases.

From: Neonatal myoclonus in Bryant-Li-Bhoj syndrome associated with a novel H3F3A variant

 

Summery by Layo-Carris et al.3

This case

Demographics

 Age

2 months - 39 years

20 years

 Sex

Males/Females = 47/49

female

Growth

 Height (>95th percentile)

6/91 (7%)

-

 Height (≤5th percentile)

32/91 (35%)

-

 Weight (>95th percemtile)

14/76 (18%)

-

 Weight (≤5th percemtile)

15/76 (20%)

-

 Macrocephaly (≥95th percentile)

14/95 (15%)

-

 Microcephaly (≤5th percentile)

30/95 (32%)

+

 Craniofacial anomalies

86/93 (92%)

+

 Neuroimaging findings

44/76 (58%)

-

Neurodevelopment

 Developmental delay/intellectual disability

94/95 (99%)

+

 Seizures

45/91 (49%)

+

 Delayed/No sitting (>12 months)

33/65 (51%)

-

 Delayed/No walking (>20 months)

59/75 (79%)

-

 Speaks at least one word (>20 months)

50/84 (60%)

-

Muscle tone abnomalies

 Hypotonia

57/92 (62%)

-

 Hypertonia

11/92 (12%)

-

 Axial hypotonia, peripheral hypertonia

9/92 (10%)

-

 Oculomotor

49/90 (54%)

+

  Strabismus

32/90 (36%)

+

  Astigmatism

7/88 (8%)

-

Review of systems

 Musculoskeletal

56/94 (60%)

-

 Cardiac

11/82 (13%)

-

 Dermal

46/88 (52%)

-

 Genital

17/85 (20%)

-