Table 1

Summary of demographic, genetic and clinical characteristics

Case 1Case 2Case 3Case 4Case 5Case 6
Demographics
(sex, age in years)
Female
12 years
Female
5 years, 11 months
Female
14 years
Female
25 years
Male
34 years
Female
13 years
Genetic result2p25(4291420–6905655)(hg 19)x12p25(5511851–16027633)x12p25(5838893–7023548)(hg19)x12p25(5535091–16398225)x12p25(2231163–300707)x12p25(5209876–8078809)x1
GrowthHeight 152 cm (25–50th)
Weight 44 kg (75th)
OFC 50.4 cm (<3rd)
Height 102.5 cm (<2nd)
Weight 14.5 kg (<2nd)
OFC 47 cm (<2nd)
Height 158 cm (50th)
OFC 52 cm (2nd)
Height 162 cm (25th)
Weight 50 kg (10th)
OFC 49 cm (<0.4th)
Height 150 cm (3rd)
OFC 53 cm (3rd)
Microcephalic
DevelopmentWalking—18 months
Speech—single words
Walking—22 months
Speech—18 months
Walking—20 months
Speech—no delay
Severe intellectual disabilityIntellectual disabilitySpeech—delayed
FeedingGORDGORDPoor feeding as a neonateGastritisPoor feeding as a neonate
NeurologicalAutismFebrile seizuresEpilepsy
Autism
Epilepsy
Skeletal system5th finger clinodactyly 2–3 toe syndactyly scoliosis5th finger clinodactyly5th finger clinodactyly 2–3 toe syndactyly scoliosis5th finger clinodactyly 2–3 toe syndactyly scoliosisScoliosis5th finger clinodactyly
Eye findingsRt microophthalmiaHypermetropiaHypermetropia
OtherInverted nipplesInverted nipples
Case 7Case 8Case 9Case 10
Demographics
(sex, age in years)
Female
2 years, 3 months
Female
12 years, 6 months
Male
11 years old
Male
6 years, 10 months
Genetic test2p25(5166592–6400126)x1c.359C>A, p. Pro120Hisc.150G>C, p. Lys50Asnc.87C>A, p. Cys29* Nonsense
GrowthWeight 10 kg (2nd)
OFC 47.5 cm (50th)
Height 89.4 cm (0.4th)
Weight 12.15 kg (0.4th)
OFC 46.5 cm (0.4th)
Height 109.4 cm (9th)
Weight 18.45 kg (9th)
OFC 48.2 cm (0.4th)
 Height 124.5 cm (75th)
Weight 29 kg (91st)
OFC 54 cm (75th)
DevelopmentWalking—15 months
Speech—single words
Walking—30 months
Speech—none
Walking—48 months
Speech—36 months
Walking—16 months
Speech—significant delay
FeedingPoor feeding as a neonatePoor feeding as a neonatePoor feeding as a neonate
NeurologicalAutism
Absence seizures
Skeletal system5th finger clinodactyly
Hypoplasia nail 5th toe
5th finger clinodactyly
Hypoplasia nail 5th toe
5th finger clinodactyly
2–3 toe syndactyly
Hypoplasia nail 5th toe
5th finger clinodactyly
2–3 toe syndactyly
Hypoplasia nail 5th toe
Eye findingsOculomotor apraxiaHypermetropiaOculomotor apraxia
Other