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Bone scanning in the adductor insertion avulsion syndrome ("thigh splints")
N D Charkes1, N Siddhivarn, C D Schneck
1Division of Nuclear Medicine, Temple University Medical School, Philadelphia, PA.
Summary
Shin splints affect the tibia, but this study identified similar bone scan findings in the thigh. Researchers propose "thigh splints" or "adductor insertion avulsion syndrome" for this condition.
Area of Science:
- Orthopedics
- Sports Medicine
- Radiology
Background:
- Shin splints are a known condition involving tibial stress.
- A similar clinical entity in the thigh has been suggested but not well-defined.
Purpose of the Study:
- To describe scintigraphic findings in the femurs of military trainees.
- To propose a new term for thigh-related bone abnormalities.
Main Methods:
- Bone scintigraphy was performed on seven female military trainees.
- Patients were referred for suspected lower extremity stress fractures.
Main Results:
- Scintigraphic abnormalities were observed in the upper or mid femurs, predominantly on the anteromedial cortex.
- Findings were bilateral in most subjects and suggested periosteal elevation, distinct from typical stress fractures.
- Abnormalities correlated with the insertion sites of adductor muscle groups.
Conclusions:
- A new clinical entity, termed "adductor insertion avulsion syndrome" or "thigh splints," is proposed.
- This condition may be mistaken for stress fractures but presents differently on bone scans.