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논문 기본 정보

자료유형
학술저널
저자정보
김주헌 (계명의대 진단방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제33권 제4호
발행연도
1995.1
수록면
633 - 638 (6page)

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초록· 키워드

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Purpose : The purpose of this study is to illustrate MR patterns of signal intensity of proximal femur innormal subjects according to the age distribution. Method and Material : T1-weighted MR imagings of the proximalfemur in 125 subjects, aged 13 days to 25 years, were retrospectively analyzed. Age distribution was classified to4 groups; below 4 months, 5 months to 4 years, 5 years to 14 years, and 15 years to 25 years. Results : By the ageof 4 months, the non-ossified femoral epiphysis was seen as intermediate-signal-intensity cartilage. At 5 months-4years, the ossified femoral capital epiphysis was seen within intermediate-signal-intensity cartilage and appearedas decreased or increased signal-intensity red or yellow marrow surrounded by a rim of low-signal-intensitycortical bone. At 5-14 years, the ossified femoral capital and greater trochanteric epiphysis were seen within theintermediate-signal-intensity cartilage and appeared as decreased or increased signal-intensity red or yellowmarrow. At 15-25 years, the proximal metaphyseal marrow showed increased signal intensity. Four patterns of themetaphyseal marrow were recognized by Ricci et al. The frequency of pattern 1a progressively decreased with age.Pattern 2 and 3 were visible in the 15-25 years age group. Conclusion : An understanding of the spectrum of normalage-related change of the proximal femoral cartilage and marrow patterns serves as the foundation forinterpretation of proximal femur pathologies.

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