Case Report of Hereditary Osteo-Onycho Dystrophy (HOOD) (Nail-Patells Syndrome)

HOOD is a syndrome affecting mainly nails, elbows, pelvis and knees, and inherited as mendelian dominant trait which is probably mediated by a single mutant autosomal gene with variable expressivity. The name of HOOD was first used by Roeckerath in 1951, and was first described by Little in 1897. This syndrome has many synonyms such as Nail-Patella Syndrome. Fong's Syndrome, Iliac Horns Syndrome. Onycho Arthro-Osteodysplasia, Hereditary Onycho-Osteo Arthrodysplasia, Etc. The authors experienced a succesful surgical treatment of recurrent dislocation of patella in 13 years old girl of HOOD. Survey was carried out on her family and found 6 positive cases among 11 members.