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Sports Med Arthrosc Rehabil Ther Technol. 2012 May 10;4(1):16. doi: 10.1186/1758-2555-4-16.

High-resolution axial MR imaging of tibial stress injuries.

Author information

  • 1Department of Orthopaedic Surgery and Sports Medicine, Tsukuba University Hospital Mito Medical Center, Mito Kyodo General Hospital, 3-2-7, Miya-machi, Mito, Ibaraki, 310-0015, Japan. takeomammoto@yahoo.co.jp.

Abstract

PURPOSE:

To evaluate the relative involvement of tibial stress injuries using high-resolution axial MR imaging and the correlation with MR and radiographic images.

METHODS:

A total of 33 patients with exercise-induced tibial pain were evaluated. All patients underwent radiograph and high-resolution axial MR imaging. Radiographs were taken at initial presentation and 4 weeks later. High-resolution MR axial images were obtained using a microscopy surface coil with 60 × 60 mm field of view on a 1.5T MR unit. All images were evaluated for abnormal signals of the periosteum, cortex and bone marrow.

RESULTS:

Nineteen patients showed no periosteal reaction at initial and follow-up radiographs. MR imaging showed abnormal signals in the periosteal tissue and partially abnormal signals in the bone marrow. In 7 patients, periosteal reaction was not seen at initial radiograph, but was detected at follow-up radiograph. MR imaging showed abnormal signals in the periosteal tissue and entire bone marrow. Abnormal signals in the cortex were found in 6 patients. The remaining 7 showed periosteal reactions at initial radiograph. MR imaging showed abnormal signals in the periosteal tissue in 6 patients. Abnormal signals were seen in the partial and entire bone marrow in 4 and 3 patients, respectively.

CONCLUSIONS:

Bone marrow abnormalities in high-resolution axial MR imaging were related to periosteal reactions at follow-up radiograph. Bone marrow abnormalities might predict later periosteal reactions, suggesting shin splints or stress fractures. High-resolution axial MR imaging is useful in early discrimination of tibial stress injuries.

PMID:
22574840
[PubMed]
PMCID:
PMC3411460
Free PMC Article
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