Enchondroma in a Running Athlete With Persistent Mid-Thigh Pain

Evangelos Pappas, Bohdanna T. Zazulak, Lee D. Katz

DOI: 10.2519/jospt.2010.0403

The patient was a 22-year-old male who developed right mid-thigh pain after increasing his running mileage in a short period. Anterior-posterior and lateral radiographs of the femur were completed and interpreted as normal, and the patient was diagnosed with a muscle strain. Three months later the patient was seen by a sports medicine physician because of persistent right mid-thigh pain with running. Repeat radiographs revealed periosteal thickening of the medial cortex of the right femur consisten with a stress reaction and subtle irregular calcifications in the central diaphysis of the femur. The patient was diagnosed with a femoral shaft stress fracture and referred for magnetic resonance imaging, which revealed a lobular lesion occupying the marrow space of the femoral diaphysis that measure approximately 6.5 cm in the craniocaudal dimension. The patient was diagnosed with an echondroma of the distal femoral shaft. After pursuing a non-surgical course of care, the patient opted for surgical intervention based on continued pain and a desire to return to athletic activities.

J Orthop Sports Phys Ther 2010;40(2):121. doi:10.2519/jospt.2010.0403

KEY WORDS: femur, magnetic resonance imaging, radiographs

The patient was a 22-year-old male who developed right mid-thigh pain after increasing his running mileage in a short period.

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