Table 1 Clinical and laboratory features of 14 patients with EXTL3 deficiency2, 3, 4
Clinical and laboratory features | Number (%) of patients with manifestation |
---|---|
Skeletal | |
Platysplondyly | 12 (85.7) |
Brachydactyly | 10 (71.4) |
Short stature | 9 (64.3) |
Kyphoscoliosis | 9 (64.3) |
Craniocervical stenosis | 7 (50%) |
Pelvis abnormalities (broad ischia, sloping acetabular roof and coxa valga) | 8 (57.1%) |
Neuromuscular | |
Motor neurodevelopment delay | 8 (57.1) |
Truncal hypotonia | 6 (42.8) |
Seizures | 6 (42.8) |
Immunohematologic abnormalities | |
T-cell lymphopenia | 8 (57.1) |
Omenn syndrome | 4 (28.6) |
Eosinophilia | 6 (42.8) |
Hyper-IgE | 3 (21.4) |
Facial dysmorphisms | 12 (85.7) |
Liver cysts | 6 (42.8) |