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Medical Science Monitor Basic Research


Knee Joint Pain Potentially Due to Bone Alterations in a Knee Osteoarthritis Patient

Challenging differential diagnosis

Masatoshi Komatsu, Yukio Nakamura, Mikio Kamimura, Shigeharu Uchiyama, Keijiro Mukaiyama, Shota Ikegami, Hiroyuki Kato

Japan Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto, Japan

Am J Case Rep 2014; 15:534-537

DOI: 10.12659/AJCR.891233

Available online: 2014-12-01

Published: 2014-12-01


Background: Osteoarthritis (OA) is the leading cause of musculoskeletal pain and functional disability worldwide. However, the etiology of this condition is still largely unknown.
Case Report: We report the clinical course of an elderly man with knee OA.
Conclusions: Plain radiographs and MRI examinations performed during follow-up suggested that the pathophysiology of the patient’s knee OA and joint pain may have been primarily due to bone alterations.

Keywords: Arthralgia - etiology, Aged, 80 and over, Diagnosis, Differential, Knee Joint, Magnetic Resonance Imaging, Osteoarthritis, Knee - complications, Pain Measurement, Physical Examination, Severity of Illness Index