Utility of sonography for the diagnosis of adductor avulsion injury ("thigh splints")
Adductor insertion avulsion syndrome, or "thigh splints," is a cause of inner thigh or groin pain often encountered in athletes. Chronic traction injury or frank avulsion of one or more of the hip adductors from the femur can occur with resultant chronic inner thigh or groin pain. Patients may also have a palpable mass due to periostitis, ossification of the injured muscle, or both, often confusing the clinical picture. Sonography is becoming an increasingly used imaging modality in evaluating the musculoskeletal system because of its portability, absence of ionizing radiation, and relatively low cost compared with other cross-sectional imaging modalities. The utility of this modality is illustrated by a case of chronic adductor insertion avulsion syndrome with periosteal new bone changes in the adjacent femur and myositis ossificans diagnosed with sonography. This report received Institutional Review Board approval. © 2006 by the American Institute of Ultrasound in Medicine.
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