| A rare genetic endocrine disorder with characteristics of type 1 diabetes mellitus (DM), diabetes insipidus (DI), sensorineural deafness (D), bilateral optical atrophy (OA) and neurological signs. Type 1 has onset in the first decade with diabetes mellitus and optic atrophy manifestations. 50% of patients also develop diabetes insipidus. Additional features may include urinary tract abnormalities, neurological involvement and psychiatric manifestations. Caused by caused by homozygous or compound heterozygous mutation in the gene encoding wolframin (WFS1) on chromosome 4p16. Transmission is autosomal recessive. |
