[Hereditary osteo-onychodysplasia. a case report]

Hereditary osteo-onycho-renal dysplasia is a rare genetic disorder also known as nail patella syndrome. It is an autosomal dominant hereditary disease with complete penetration but variable expressivity. The basic manifestations include: iliaque horns, finger nail abnormalities, patella hypoplasia or aplasia and elbow deformities. Nephropathy accompanied by mild proteinuria is also thought to be a commun manifestation. We report the case of 7 years old boy and his family who show clinical features of NPS