Diseases and Conditions
Legg-Calve-Perthes disease
Lifestyle and home remedies
Overview
Symptoms
Causes
Risk factors
Complications
Diagnosis
Treatment
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Causes
Legg-Calve-Perthes disease occurs when too little blood is supplied to the ball portion of the hip joint (femoral head). Without enough blood, this bone becomes weak and fractures easily. The cause of the temporary reduction in blood flow to the femoral head remains unknown.