| A rare type of Ehlers-Danlos syndrome characterized by connective tissue defects (joint laxity of finger joints and knees, small joint hypermotility and tissue fragility), vascular complications (atrioventricular defect, symptomatic cerebral aneurysm, vascular dissection) and frontoparietally accentuated polymicrogyria of the cobblestone variant. Specific brain anomalies (including cerebrocortical dysplasia, cerebellar microcysts and white matter anomalies) are present in all patients. Most of the affected individuals have developmental delay and may develop epilepsy. Additional clinical features include spontaneous intracranial hypotension, idiopathic intracranial hypertension, headache, chronic pain syndrome, peripheral neuropathy, plexopathy, translucent skin and clubfoot. Dysmorphic features such as eye anomalies (strabismus, bilateral hyperopia, esotropia, proptosis), pinched nose, thin upper lip, crowded teeth and retrognathia are also reported. |
