Tibial Stress Reaction in Runners

Author:

Fredericson Michael1,Bergman A. Gabrielle2,Hoffman Kenneth L.2,Dillingham Michael S.3

Affiliation:

1. Department of Functional Restoration, Division of Physical Medicine, Stanford University Medical Center, Stanford, California

2. Department of Radiology, Stanford University Medical Center, Stanford, California

3. Department of Orthopedics, Stanford University Medical Center, Stanford, California

Abstract

Medial tibial pain in runners has traditionally been di agnosed as either a shin splint syndrome or as a stress fracture. Our work using magnetic resonance imaging suggests that a progression of injury can be identified, starting with periosteal edema, then progressive mar row involvement, and ultimately frank cortical stress fracture. Fourteen runners, with a total of 18 sympto matic legs, were evaluated and, within 10 days, referred for radiographs, a technetium bone scan, and a mag netic resonance imaging scan. In 14 of the 18 symp tomatic legs, magnetic resonance imaging findings cor related with an established technetium bone scan grading system and more precisely defined the ana tomic location and extent of injury. We identified clinical symptoms, such as pain with daily ambulation and physical examination findings, including localized tibial tenderness and pain with direct or indirect percussion, that correlated with more severe tibial stress injuries. When clinically warranted, we recommend magnetic resonance imaging over bone scan for grading of tibial stress lesions in runners. Magnetic resonance imaging is more accurate in correlating the degree of bone in volvement with clinical symptoms, allowing for more ac curate recommendations for rehabilitation and return to impact activity. Additional advantages of magnetic reso nance imaging include lack of exposure to ionizing ra diation and significantly less imaging time than three- phase bone scintigraphy.

Publisher

SAGE Publications

Subject

Physical Therapy, Sports Therapy and Rehabilitation,Orthopedics and Sports Medicine

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