Research Article
A Novel Variant in VPS13B Underlying Cohen Syndrome
Table 1
Clinical details of the affected individuals.
| Patient features | V : 1 | V : 3 | VI : 1 | VI : 2 |
| Sex | Male | Female | Male | Female | Consanguinity of parents | First cousin | First cousin | Age (years) | 13 | 7 | 14 | 5 | Height (cm) | 150 | 117 | 136 | 88 | Age at first words (months) | 20 | 19 | 20 | 19 | Age at walking (months) | 32 | 28 | 33 | 28 | Intellectual disability | Moderate | Moderate | Moderate | Moderate | Microcephaly | + | + | + | + | Neutropenia | + | + | + | + | Hypotonia | - | - | - | + | Motor delay | - | - | + | + | Speech delay | + | + | + | + | Muscular atrophy | - | - | - | + | Insomnia/sleep disturbances | - | - | - | + | Neonatal feeding difficulties | + | + | + | + | Strabismus | + | - | - | + | Wave shape eyelid | + | + | + | + | Long and thick eyelashes | + | + | + | + | Large ear | + | + | + | + | Prominent nose root | + | + | + | + | Prominent upper central incisors | + | + | + | + | Narrow roof mouth | + | + | + | + | Short philtrum | + | + | + | + | Truncal obesity | + | + | + | + | Small hands, feet, and fingers | - | + | - | + |
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+ Present, - absent.
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