Legg-Calve-Perthes disease
Definition
Legg-Calve-Perthes disease is when the ball of the thighbone in the hip doesn't get enough blood, causing the bone to die.
Alternative Names
Coxa plana; Perthes diseaseCauses
Legg-Calve-Perthes disease occurs most frequently in boys 4 to 8 years old. While there are many theories regarding the cause of this disease, little is actually known.
Without enough blood to the area, the bone dies. This causes the ball of the hip to collapse and become flat. Usually only one hip is affected, although it can occur on both sides.
The blood supply returns over several months, bringing in new bone cells. These gradually replace the dead bone over 2 to 3 years.
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