Legg-Calvé-Perthes disease(LCPD)is a rare disease characterized by avascular necrosis of the femoral head that occurs specifically in children,with unknown etiology and insidious onset.With the progression of the disease,it is prone to develop into coxa plana or even severe hip osteoarthritis in adulthood due to poor head and acetabulum matching or even acetabular inversion.The adult with coxa plana secondary to LCPD is difficult to treat,and often have to accept total hip arthroplasty.This article reports a case of adult coxa plana and severe osteoarthritis secondary to LCPD,and reviews the research progress related to LCPD.
Legg-Calvé-Perthes diseasecoxa planaacetabular inversiontotal hip arthroplasty
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