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首页> 外文期刊>Spine >Prevalence of degenerative imaging findings in lumbar magnetic resonance imaging among young adults.
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Prevalence of degenerative imaging findings in lumbar magnetic resonance imaging among young adults.

机译：年轻人的腰部磁共振成像中退行性影像学检查结果的普遍性。

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STUDY DESIGN: A cross-sectional imaging study of young adults. OBJECTIVE: To investigate the prevalence of disc degeneration (DD) and displacement, anular tears, and Modic changes in lumbar magnetic resonance imaging (MRI) among young adults. SUMMARY OF BACKGROUND DATA: Although low back pain in young adulthood is common, the prevalence of spinal MRI findings at this age remains virtually unknown. METHODS: The study population was a subcohort of the Northern Finland Birth Cohort 1986. Subjects living within 100 km of Oulu (n = 874) were invited to participate in lumbar MRI at 20 to 22 years of age (mean: 21.2 years). Degree of DD, type of Modic changes, and presence of disc bulges, herniations, high intensity zone (HIZ) lesions, and radial tears at all lumbar levels were assessed. RESULTS: Three hundred twenty-five women and 233 men (n = 558) attended the MR imaging. DD was significantly more frequent in men (54% vs. 42%, P = 0.005), as was multiple DD (21% vs. 14%, P = 0.036). The prevalences of disc bulges and radial tears were 25% and 9.1%, respectively, without gender differences. HIZ lesions were more common among women than men (8.6% vs. 4.3%, P = 0.046), whereas herniations were significantly more common among men (5.6% vs. 2.5%, P = 0.047). Only 2 disc extrusions were observed, one in each gender. All degenerative disc findings were more common at the L5-S1 level except HIZ lesions, which were most likely at L4-L5. The prevalence of the Modic changes was 1.4%, without gender difference, type I being more common than type II. Typically, Modic changes were located adjacent to a DD Grade 4 disc and at the 2 lowest levels. CONCLUSION: Almost half of young Finnish adult aged 21 years had at least one degenerated disc, and a quarter had a bulging disc. Modic changes and disc herniations were, however, relatively rare.
机译：研究设计：年轻人的横断面成像研究。目的：调查年轻人腰椎间盘退变（DD）和移位，肛门撕裂和腰椎磁共振成像（MRI）的Modic变化的患病率。背景资料摘要：尽管成年后腰痛很常见，但实际上在这个年龄段的脊柱MRI表现尚不明确。方法：该研究人群是1986年芬兰北部出生队列的一个子队列。邀请居住在Oulu（100 km）以内的受试者（n = 874）在20至22岁（平均21.2岁）进行腰部MRI。评估了所有腰椎水平的DD度，Modic改变的类型以及椎间盘突出，突出，高强度区（HIZ）损伤和lesions骨撕裂的存在。结果：325名女性和233名男性（n = 558）参加了MR成像。男性的DD发生率显着更高（54％比42％，P = 0.005），多发性DD（21％比14％，P = 0.036）。没有性别差异的椎间盘膨出和radial裂的患病率分别为25％和9.1％。 HIZ病变在女性中比男性更常见（8.6％vs. 4.3％，P = 0.046），而疝气在男性中更为常见（5.6％vs. 2.5％，P = 0.047）。仅观察到2个椎间盘突出，每种性别各1个。除HIZ病变外，所有退化性椎间盘发现均在L5-S1水平上更常见，HIZ病变最可能在L4-L5上。 Modic改变的患病率为1.4％，无性别差异，I型比II型更为普遍。通常，Modic更改位于DD Grade 4光盘附近，并位于2个最低级别。结论：21岁的芬兰年轻人中，几乎有一半患有至少一个退化性椎间盘，而四分之一具有凸出的椎间盘。模态改变和椎间盘突出症相对较少。

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