| Phenotype details |
born at term, pregnancy and delivery uneventful; 2y-psychomotor delay; walk-18m, language severely delayed; 11y-brain CT scan retrocerebellar cyst with tentorial dysplasia, small vermis, dilated ventricles requiring ventriculoperitoneal shunting; 13y-dysmorphic features, deeply set eyes, prominent roof nose, prominent chin, OFC 57.5cm (>97th), weight 63kg (>97th), height 158.5cm (50th), poor reading, writing not acquired; according to parents behavioural problems, instability, intolerance to frustration |