J Korean Orthop Assoc.  1990 Apr;25(2):477-486. 10.4055/jkoa.1990.25.2.477.

Morphological and Biomechanical Stidy about the Avascular Necrosis of the Femoral Head Part I : Morphological Classification and Treatment Modality

Abstract

The exact etiologies and mechanisms of ischemia in avascular necrosis of femoral head are still under investigation. But this condition seems to be increasing during a few decades with increasing use of steroid and alcohol abuse in Korea. The treatment modalities have been based on the stages of the disease by simple radiographic findings that do not describe the accurate pathological extent or localization. Therefore more sophisticated study is needed to treat the AVN of the femoral head well. Magnetic resonance images, simple radiographs, scintigraphs of 13 patients(22 femoral heads), who were admitted and treated at Seoul National University Hospital from April, 1989 to December, 1989 were correlated, to characterize the type of AVN by extent and location regardless of its stage and reveal the relationship between types and stages. It is the result of this study that the type of AVN as well as stage should be considered in determining the treatment modality.

Keyword

AVN of femoral head; Type; MRI; Treatment

MeSH Terms

Alcoholism
Classification*
Head*
Ischemia
Korea
Magnetic Resonance Imaging
Necrosis*
Seoul
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