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Clin Orthop Surg. 2011 Sep;3(3):254-257. English. Case Report. https://doi.org/10.4055/cios.2011.3.3.254
Lee BJ , Kim ST , Yoon MG , Kim SS , Moon MS .
Department of Orthopedics, Myongji Hospital, Kwandong University College of Medicine, Jecheon, Korea.
Department of Orthopaedic Surgery, Cheju Halla General Hospital, Jeju, Korea. schstk27@hanmail.net
Abstract

Pyogenic spondylitis involving only the posterior element of a vertebra is rare. To the best of our knowledge, there have been no reports of osteomyelitis of the transverse process. We report here on a 45-year-old male with a one month history of swelling associated with lower back pain. The magnetic resonance imaging showed a paraspinal soft tissue mass, and computed tomography revealed a fine osteolytic lesion in the right transverse process of the 5th lumbar spine, and this was all consistent with chronic osteomyelitis. A mixed staphylococcal infection was identified. Open drainage, resection of the transverse process and intravenous injection of anti-staphylococcal antibiotics resolved the back pain and reduced the erythrocyte sedimentation rate to normal. Pyogenic osteomyelitis of the transverse process is extremely rare, which can cause a misdiagnosis or a delayed diagnosis. Careful consideration of this disease is needed when evaluating patients who complain of back pain.

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