RESEARCH ARTICLE


Determining Bone Bruises of the Knee with Magnetic Resonance Imaging



Bekir Yavuz Uçar*, 1, Serdar Necmioğlu1, Mehmet Bulut1, İbrahim Azboy1, Abdullah Demirtaş1, Hatice Gümüş2
1 Department of Orthopaedic & Traumatology, Medical Faculty, Dicle University, Turkey
2 Department of Radiology, Medical Faculty, Dicle University, Turkey


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Creative Commons License
© Uçar et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Department of Orthopaedic & Traumatology, Medical Faculty, Dicle University, 21280, Sur, Diyarbakir, Turkey; Tel: 00904122488001; Fax: 00904122488111; E-mail: drbyucar@yahoo.com


Abstract

Introduction

Injuries that develop secondary to minor traumas and cannot be detected via direct examination methods, but are detected via advanced imaging methods, such as magnetic resonance (MR) imaging, are called occult bone injuries or bone bruises. In such injuries, diagnostic arthroscopy usually does not reveal any pathology. MR imaging methods are quite beneficial for the diagnosis of such clinical conditions, which cause acute pain and restriction of motion. The present study aimed to assess occult bone injuries via MR imaging in patients who presented with minor knee trauma.

Patients and Methods

Twelve patients who presented with minor knee trauma were included in the study. Etiological factors in these patients included walking a long distance, falls, and minor trauma. All patients underwent physical examinations, direct radiological imaging, MR imaging, and diagnostic arthroscopy.

Results

Direct radiographs of the patients showed no pathological fracture. Bone marrow changes detected on the MR images were classified according to Lynch’s classification as Type I lesions in nine patients and Type II lesions in three patients.

Conclusion

We suggest that MR imaging methods should be the gold standard for the diagnosis of minor traumatic bruise injuries of the knee.

Keywords:: Knee, trauma, magnetic resonance imaging, bone bruise.