Items tagged “avascular necrosis”
3 results found
Article
Köhler disease
Köhler disease is an eponymous term referring to childhood-onset osteonecrosis of the navicular in the foot. Müller-Weiss syndrome is the adult counterpart of navicular osteonecrosis 4,5.
Epidemiology
Köhler disease typically presents in the pediatric population (4-6 years of age) and there is...
Article
Waldenström sign (hip)
Waldenström sign is the increased distance between the pelvic teardrop and the femoral head. It is a highly specific sign of a hip joint effusion.
Radiographic features
Plain radiograph
>11 mm total distance or >2 mm difference compared to contralateral hip 1,2
measured between the lateral a...
Article
Friedrich disease
Friedrich disease is an eponymous name for osteonecrosis of the sternal end of the clavicle. It is a rare condition and documentation in the medical literature is scarce with most case reports dating from before 1990.
Epidemiology
It is more often encountered in children and adolescents 1.
Ra...