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RMI - 版本历史
2026-04-21T08:37:33Z
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2026-02-06T07:05:42Z
<p>建立内容为“<div style="padding: 0 4%; line-height: 1.8; color: #1e293b; font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', Arial, sans-serif; background-color: #ffffff…”的新页面</p>
<p><b>新页面</b></p><div><div style="padding: 0 4%; line-height: 1.8; color: #1e293b; font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', Arial, sans-serif; background-color: #ffffff; max-width: 1200px; margin: auto;"><br />
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<strong>恶性肿瘤风险指数</strong>（Risk of Malignancy Index, <strong>RMI</strong>）是妇科临床用于评估盆腔肿块（卵巢囊肿）良恶性风险的经典评分系统。它最早由 Jacobs 等人于 1990 年提出（即 RMI I），随后衍生出多个改良版本。<br />
<br>RMI 整合了三个关键参数：<strong>血清 [[CA125]] 水平</strong>、<strong>超声特征评分 (U)</strong> 和<strong>绝经状态 (M)</strong>。其核心价值在于“分流”（Triage）：当 RMI 评分高于特定阈值（通常为 200）时，高度提示卵巢癌风险，建议将患者转诊至专业的妇科肿瘤中心进行手术，从而显著改善患者预后；低风险患者则可在普通妇科随访或手术。尽管近年来受到了 [[ROMA指数]] 的挑战，RMI 仍因其计算简便、无需额外检测费用而在临床广泛使用。<br />
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<div style="font-size: 1.2em; font-weight: bold; letter-spacing: 1.2px;">RMI</div><br />
<div style="font-size: 0.7em; opacity: 0.85; margin-top: 4px; white-space: nowrap;">恶性肿瘤风险指数 (点击展开)</div><br />
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<span style="font-size: 2em;">🧮</span><br />
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<div style="font-size: 0.8em; color: #64748b; margin-top: 12px; font-weight: 600;">卵巢癌风险评估模型</div><br />
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<th style="text-align: left; padding: 6px 12px; background-color: #f8fafc; color: #475569; border-bottom: 1px solid #e2e8f0; width: 40%;">公式</th><br />
<td style="padding: 6px 12px; border-bottom: 1px solid #e2e8f0; color: #0f172a;">RMI = U × M × CA125</td><br />
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<th style="text-align: left; padding: 6px 12px; background-color: #f8fafc; color: #475569; border-bottom: 1px solid #e2e8f0;">CA125</th><br />
<td style="padding: 6px 12px; border-bottom: 1px solid #e2e8f0; color: #1e40af;">血清数值 (U/mL)</td><br />
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<th style="text-align: left; padding: 6px 12px; background-color: #f8fafc; color: #475569; border-bottom: 1px solid #e2e8f0;">超声 (U)</th><br />
<td style="padding: 6px 12px; border-bottom: 1px solid #e2e8f0; color: #0f172a;">形态学评分 (0, 1, 3)</td><br />
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<th style="text-align: left; padding: 6px 12px; background-color: #f8fafc; color: #475569; border-bottom: 1px solid #e2e8f0;">绝经 (M)</th><br />
<td style="padding: 6px 12px; border-bottom: 1px solid #e2e8f0; color: #0f172a;">状态评分 (1 或 3)</td><br />
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<th colspan="2" style="padding: 8px 12px; background-color: #e0f2fe; color: #1e40af; text-align: left; font-size: 0.9em; border-top: 1px solid #bae6fd;">临床判读</th><br />
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<th style="text-align: left; padding: 6px 12px; background-color: #f8fafc; color: #475569; border-bottom: 1px solid #e2e8f0;">低风险</th><br />
<td style="padding: 6px 12px; border-bottom: 1px solid #e2e8f0; color: #16a34a;">&lt; 200 (恶性概率 &lt;3%)</td><br />
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<th style="text-align: left; padding: 6px 12px; background-color: #f8fafc; color: #475569;">高风险</th><br />
<td style="padding: 6px 12px; color: #b91c1c;">&ge; 200 (恶性概率 >70%)</td><br />
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<h2 style="background: #f1f5f9; color: #0f172a; padding: 10px 18px; border-radius: 0 6px 6px 0; font-size: 1.25em; margin-top: 40px; border-left: 6px solid #0f172a; font-weight: bold;">计算法则：RMI = U × M × CA125</h2><br />
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以最常用的 <strong>RMI I</strong> 为例，其计算逻辑如下：<br />
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<li style="margin-bottom: 12px;"><strong>U (Ultrasound Score)：超声评分</strong><br><br />
观察以下 5 个恶性特征：1) 多房囊肿；2) 实性成分；3) 双侧病变；4) 腹水；5) 腹腔转移灶。<br><br />
• 无特征：U = 0<br><br />
• 1 个特征：U = 1<br><br />
• 2-5 个特征：U = 3<br />
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<li style="margin-bottom: 12px;"><strong>M (Menopausal Status)：绝经状态</strong><br><br />
• 绝经前 (Premenopausal)：M = 1<br><br />
• 绝经后 (Postmenopausal)：M = 3 （定义为停经 >1 年或年龄 >50 岁且切除子宫）<br />
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<li style="margin-bottom: 0;"><strong>CA125：血清学指标</strong><br><br />
直接代入血清 CA125 的绝对数值 (U/mL)。<br />
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<strong>🧮 计算示例：</strong><br><br />
一位 55 岁绝经后女性 (M=3)，B超发现伴有实性成分的卵巢肿块 (特征=1, 即 U=1)，CA125 为 100 U/mL。<br><br />
<strong>RMI = 1 × 3 × 100 = 300。</strong><br><br />
结果 > 200，属于高危组，需高度警惕卵巢癌。<br />
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<h2 style="background: #f1f5f9; color: #0f172a; padding: 10px 18px; border-radius: 0 6px 6px 0; font-size: 1.25em; margin-top: 40px; border-left: 6px solid #0f172a; font-weight: bold;">巅峰对决：RMI vs ROMA</h2><br />
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随着 HE4 标志物的引入，新的算法 <strong>ROMA (Risk of Ovarian Malignancy Algorithm)</strong> 应运而生。两者孰优孰劣？<br />
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<th style="padding: 12px; border: 1px solid #cbd5e1; color: #0f172a; width: 25%;">比较维度</th><br />
<th style="padding: 12px; border: 1px solid #cbd5e1; color: #1e40af; width: 35%;">RMI (经典派)</th><br />
<th style="padding: 12px; border: 1px solid #cbd5e1; color: #b91c1c; width: 40%;">ROMA (新锐派)</th><br />
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<td style="padding: 10px; border: 1px solid #cbd5e1; font-weight: 600;">参数构成</td><br />
<td style="padding: 10px; border: 1px solid #cbd5e1;">CA125 + 超声 + 绝经</td><br />
<td style="padding: 10px; border: 1px solid #cbd5e1;">CA125 + [[HE4]] + 绝经 (无需超声)</td><br />
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<td style="padding: 10px; border: 1px solid #cbd5e1; font-weight: 600;">早期癌症敏感性</td><br />
<td style="padding: 10px; border: 1px solid #cbd5e1;"><strong>较低。</strong><br>I 期卵巢癌 CA125 常不升高，导致漏诊。</td><br />
<td style="padding: 10px; border: 1px solid #cbd5e1;"><strong>较高。</strong><br>得益于 HE4 在早期卵巢癌中的高表达。</td><br />
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<td style="padding: 10px; border: 1px solid #cbd5e1; font-weight: 600;">特异性 (良性鉴别)</td><br />
<td style="padding: 10px; border: 1px solid #cbd5e1;">受内异症干扰大 (CA125 假阳性)。</td><br />
<td style="padding: 10px; border: 1px solid #cbd5e1;"><strong>更优。</strong><br>HE4 不受内异症影响，能更好排除良性肿块。</td><br />
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<td style="padding: 10px; border: 1px solid #cbd5e1; font-weight: 600;">临床便捷性</td><br />
<td style="padding: 10px; border: 1px solid #cbd5e1;"><strong>极高。</strong><br>无需复杂软件，医生口算即可。</td><br />
<td style="padding: 10px; border: 1px solid #cbd5e1;">需特定试剂盒和软件计算。</td><br />
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<span style="color: #0f172a; font-weight: bold; font-size: 1.05em; display: inline-block; margin-bottom: 15px;">学术参考文献 [Academic Review]</span><br />
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[1] <strong>Jacobs I, et al. (1990).</strong> <em>A risk of malignancy index incorporating CA 125, ultrasound and menopausal status for the accurate preoperative diagnosis of ovarian cancer.</em> <strong>[[British Journal of Obstetrics and Gynaecology]]</strong>. <br><br />
<span style="color: #475569;">[点评]：RMI 的奠基之作。该研究确立了 RMI I 模型，至今仍被英国 NICE 指南推荐为首选分诊工具。</span><br />
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[2] <strong>Tingulstad S, et al. (1996).</strong> <em>Evaluation of a risk of malignancy index based on serum CA125, ultrasound findings and menopausal status in the pre-operative diagnosis of pelvic masses.</em> <strong>[[British Journal of Obstetrics and Gynaecology]]</strong>. <br><br />
<span style="color: #475569;">[点评]：提出了 RMI II 模型，主要调整了超声评分的权重，试图提高敏感性。</span><br />
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[3] <strong>Moore RG, et al. (2009).</strong> <em>Comparison of a novel multiple marker assay vs the Risk of Malignancy Index for the prediction of epithelial ovarian cancer.</em> <strong>[[American Journal of Obstetrics and Gynecology]]</strong>. <br><br />
<span style="color: #475569;">[点评]：对比研究显示，ROMA 在绝经前妇女和早期癌症的诊断中优于 RMI，引发了算法迭代的讨论。</span><br />
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妇科肿瘤 · 知识图谱<br />
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<td style="padding: 10px 15px; color: #334155;">[[卵巢癌]] • 临床预测模型</td><br />
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<td style="width: 85px; background-color: #f8fafc; color: #334155; font-weight: 600; padding: 10px 12px; text-align: right; vertical-align: middle;">核心组件</td><br />
<td style="padding: 10px 15px; color: #334155;">[[CA125]] • 经阴道超声 (TVUS)</td><br />
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<td style="width: 85px; background-color: #f8fafc; color: #334155; font-weight: 600; padding: 10px 12px; text-align: right; vertical-align: middle;">替代模型</td><br />
<td style="padding: 10px 15px; color: #334155;">[[ROMA指数]] • IOTA 简易法则 (纯超声评估)</td><br />
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