Table 2

Phenotypic effects

Family No Sex Age Lymphoedema (age onset in years) Distichiasis TOF/ heart defect Cleft palate Webbed neck Other clinical features
1M2-150 42+ (12)+
M2-150 14Healthy, no mutation
M2-150 13++
F2-150 a+Hydrops fetalis,
cystic hygroma
F2-150 aHydrops fetalis
2Md++
F2-150 55+ (30)+
F2-150 34+ (17)+
F14+
M2-150 6+++Photophobia,
cystic hygroma,
arachnoid cysts
3F2-151 82+
F39++Photophobia
M2-150 19++
F2-151 69++Cellulitis
F2-151 57+ (12)+
M2-150 28+++
M2-150 2-151 56+ (12)++Ectropion, photophobia,
torus mandibularis,
blepharospasm
M2-150 33+
M2-150 24++Torus mandibularis
M2-150 2-151 50+ (12)++Ectropion, elephantiasis
M2-151 50+ (10)++
M2-150 23++
M2-150 23++
4M2-150 41+ (12)++
F2-150 35Healthy, no mutation
M2-150 13+ (12)+Ptosis, nasal speech
F2-150 11Healthy, no mutation
M2-150 8+Ptosis, velopharyngeal insufficiency
F2-150 4+ (neonatal)++Periorbital oedema,
velopharyngeal insufficiency
5F2-150 26++
F2-150 3 mth++
6Md+?Elephantiasis
Fd (93)+ (puberty)+Photophobia
Fd+ (puberty)?
F2-150 81+ (puberty)+Photophobia, narcolepsy
Md (38)+++
Fd+ (puberty)+
M+ (puberty)+
7M2-150 14+ (6 wk)+++
8F2-150 28+ (16)+
M2-150 12Healthy, no mutation
M2-150 28Healthy, no mutation
M2-150 6+Exotropia, bilateral optic
nerve hypoplasia
9F61+ (puberty)+
F28+ (23)+
  • 2-150 Mutation analysis performed.

  • 2-151 Initially described by Falls and Kertesz.5

  • TOF = tetralogy of Fallot, a = abortion, d = dead.