| A rare congenital disorder of glycosylation with characteristics of neonatal onset of global developmental delay, hypotonia, failure to thrive, hematological/immunological abnormalities, recurrent infections, liver involvement (with hepatosplenomegaly, cholestasis, fibrosis or cirrhosis) and enteropathy. Additional reported manifestations include dysmorphic craniofacial features (such as microcephaly, broad palpebral fissures, and retrognathia), hypohidrosis, hyperkeratosis and cardiac and musculoskeletal anomalies. Brain imaging may show hypoplastic corpus callosum, cerebral and cerebellar atrophy and enlarged ventricles. |