In Legg-Calvé-Perthes disease, pain is typically felt where?

Legg-Calvé-Perthes disease is characterized by avascular necrosis of the femoral head, which leads to hip joint dysfunction. The typical presentation involves pain that is often localized to the groin area and can radiate down to the anterior thigh. This pattern occurs due to the involvement of the hip joint, where pain is primarily felt in areas that share the same neurological innervation as the hip.

In children, the groin and anterior thigh are common sites of referred pain as the body attempts to protect the affected area and as inflammation around the joint can stimulate the nerves that also supply sensation to these regions. Understanding this referral pattern is crucial for clinicians to accurately diagnose and manage the condition effectively.

Other locations of pain such as the lower back, lateral thigh, posterior thigh, knee, ankle, and foot are less characteristic for this particular disease, as they do not follow the specific entrapment of the neurological pathways affected by hip joint pathology. Therefore, the correct identification of pain in the groin and anterior thigh directly correlates with the pathology of Legg-Calvé-Perthes disease, allowing for proper therapeutic interventions.