[Osteo-onychodysostosis. One more report about a family case (author's transl)].

A 9 year-old boy takes medical advice because of underdevelopment and intellectual insufficiency. The diagnosis of osteo-onychodysostosis (nail-patella syndrome) clinically expected is confirmed by X-ray examination. The main radiological signs of this disease are reminded of. You can also find a few remarks about family contex, frequency of the lesions and heredity.