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논문 기본 정보

자료유형
학술저널
저자정보
박광길 (울산대학교 의과대학 진단방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제29권 제6호
발행연도
1993.1
수록면
1,273 - 1,279 (7page)

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초록· 키워드

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To evaluate the characteristics of MR findings in osteomyelitis. retrospective MR image interpretations were made in 18 patients with osteomyelitis proved either by surger (n=17) or clilnical course (n=1). Osteomyelitis was acute in five patients, subacute in five, chronic in seven, and healed in one. Area of active inflammation had low marrow signal intensity on T1-weighted images, high signal intensity on T2- weighted images inhomogeneously. It has been said that morrphologic characteristics of osteomyelitis in MR improved the accuracy in diagnosis of osteomyelitis and that gadolimium enhanced MR image further assisted in the planning of surgery. Our study was performed to observe the signal intensity change or morphologic change of bone marrow, cortex, periosteal reaction, and soft tissue which are specific for osteomyelitis. Multiple inhomogensous round marrow lesions were noted with central high signal intensity and peripheral low signal intensity on T1-weighted images, and central low signal intensity and peripheral high signal intensity on T2-weighted images in two patients. Intra and extraosseous abscesses showed rim enhancement after gadopentetate dimeglumine injectron. The signal intensity of the rim was relatively higher than the internal area of the abscess on T1-weighted images. Cortical bone destruction showed high signal intensities T2-weighted images with destruction patterns of fine radial, circumferential, vertical or wedge shaped. MR imaging. by displaying specific signal intensities and morphological changes of bone marrow, cortex, periosteal reaction and soft tissue, would be an aid in early diagnosis and in planning for appropriate conservative and operative therapeutic procedures for osteomyelitis.

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