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논문 기본 정보

자료유형
학술저널
저자정보
Jung, DaeYoung (Department of Neurosurgery, Ilsan Hospital, Dongguk University) Cho, Keun-Tae (Department of Neurosurgery, Ilsan Hospital, Dongguk University) Roh, Ji Hyeon (Department of Pathology, Ilsan Hospital, Dongguk University)
저널정보
대한신경외과학회 대한신경외과학회지 대한신경외과학회지 제53권 제5호
발행연도
2013.1
수록면
305 - 308 (4page)

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초록· 키워드

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Myositis ossificans (MO) is a benign condition of non-neoplastic heterotopic bone formation in the muscle or soft tissue. Trauma plays a role in the development of MO, thus, non-traumatic MO is very rare. Although MO may occur anywhere in the body, it is rarely seen in the lumbosacral paravertebral muscle (PVM). Herein, we report a case of non-traumatic MO in the lumbosacral PVM. A 42-year-old man with no history of trauma was referred to our hospital for pain in the low back, left buttock, and left thigh. On physical examination, a slightly tender, hard, and fixed mass was palpated in the left lumbosacral PVM. Computed tomography showed a calcified mass within the left lumbosacral PVM. Magnetic resonance imaging (MRI) showed heterogeneous high signal intensity in T1- and T2-weighted image, and no enhancement of the mass was found in the postcontrast T1-weighted MRI. The lack of typical imaging features required an open biopsy, and MO was confirmed. MO should be considered in the differential diagnosis when the imaging findings show a mass involving PVM. When it is difficult to distinguish MO from soft tissue or bone malignancy by radiology, it is necessary to perform a biopsy to confirm the diagnosis.

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