Why the study?
What are the angiographic findings in the early and late stages of Legg-Calvé-Perthes disease?
What are the angiographic findings in the early and late stages of Legg-Calvé-Perthes disease?
Angiography in Legg-Calvé-Perthes disease reveals early devascularization and subsequent revascularization of the epiphysis, suggesting that immobilization with the thigh extended may impede this revascularization process.
May guide vascular staging in Legg-Calvé-Perthes disease; leaves open effects of immobilization on revascularization.
Eleven cases of Leg-Calvé-Perthes disease were studied angiographically by opacifying the femoral or medial circumflex artery. In the early stages of the disease, obstruction of the superior capsular arteries and devascularization of the epiphysis is shown. At later stages, revascularization of the epiphysis is observed. The balance between the respective vascular territories of the dilated superior and inferior capsular arteries is variable and seems to affect the position of the sequestrum and the centering of the femoral head. Immobilization with the thigh extended may impede revascularization of the epiphysis.
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J Théron (1980) studied this question.