Patient/gender/current age | Developmental stagnation (months) | Speech | Motor development | Head circumference | Tone | Epilepsy | Brain MRI |
---|---|---|---|---|---|---|---|
B-II-1/F/20 years | 6–8 | Few words | Turns over | −2 SD | Limb spasticity | − | Delayed myelination, thin CC |
B-II-3/F/16 years | 8 | Few words | Sit without support | −2 SD | Limb spasticity, truncal hypotonia | − | Delayed myelination, thin CC |
S-II-2/F/17 years | 3–4 | None | None | −2 SD | Limb spasticity, truncal hypotonia | + | Paucity of white matter, thin CC, cerebellar atrophy |
S-II-5/M/12 years | 3–6 | None | None | −3 SD | Spasticity | − | Delayed myelination, thin CC |
Z-II-1/F/13 years | 4 | None | None | −3 SD | Spasticity | + | Delayed myelination, paucity of white matter, thin CC |
Z-II-2/F/11.5 years | 3 | None | None | −3 SD | Limb spasticity, truncal hypotonia | − | Paucity of white matter, thin CC |
Z-II-5/M/1 year | 2 | None | None | Normal at birth | Hypotonia | + | Thin CC, large ventricles at 3 months |
C-II-1/M/13 months | 2 | None | None | Normal at 13 months | Hypotonia | − | Thin CC, hypomyelination |
CC, corpus callosum.