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Familial steroid-resistant nephrotic syndrome with sensorineural deafness

ORPHA:280406· ICD-10 N04.8

Definition

A rare, genetic coenzyme Q10 deficiency characterized by sensorineural deafness and severe, progressive nephrotic syndrome not responding to steroid treatment. Clinical manifestations include early onset proteinuria, hypoalbuminemia and edema, leading to end-stage renal disease. The renal biopsy reveals focal segmental glomerulosclerosis and diffuse mesangial sclerosis. Rarely, seizures, ataxia and dysmorphic features have been described.

Prevalence
<1 / 1 000 000
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal