M91.20

Clinical Causes: Transient or persistent disturbances in blood supply to the femoral head Previous trauma or injury to the hip region Genetic predispositions affecting bone development Underlying metabolic or endocrine disorders Overuse or repetitive stress on the hip joint, especially in young athletes Infections impacting bone health Developmental abnormalities affecting the femoral head

Key Symptoms: Pain in the hip, groin, or thigh, which may worsen with activity Reduced range of motion in the hip joint Limping or abnormal gait due to discomfort or deformity Stiffness in the hip area, especially after periods of inactivity Muscle weakness around the hip Possible swelling or tenderness in the affected region

Diagnosis Path: Diagnosis typically involves a combination of clinical evaluation and imaging studies. The healthcare provider will examine the hip for swelling, tenderness, and range of motion limitations. Imaging techniques such as X-rays are crucial to visualize the shape of the femoral head and detect flattening or deformities characteristic of coxa plana. MRI scans may be utilized to assess the condition of the cartilage and blood supply, especially in early or ambiguous cases. Blood tests might be ordered to rule out infections or other metabolic conditions.

Treatment Protocols: Rest and activity modification to reduce stress on the hip joint Physical therapy to strengthen surrounding muscles and improve mobility Non-steroidal anti-inflammatory drugs (NSAIDs) for pain relief Use of assistive devices, such as crutches or canes, to reduce weight-bearing In some cases, surgical interventions may be necessary, including core decompression, osteotomy, or hip replacement, depending on severity and progression