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第二章 子宫恶性疾病
第一节 子宫颈癌
子宫颈癌(cervical cancer)为女性生殖系统最常见的恶性肿瘤,占女性生殖器官肿瘤发生率的2/3,病理上,宫颈癌分为宫颈上皮内瘤样病变(CIN)和浸润癌。前者又分为不典型增生和原位癌,后者分为鳞癌和腺癌,以鳞癌多见,占90%~95%。临床症状为接触性出血或阴道不规则出血、下腹痛、白带增多等。子宫颈癌分期(FIGO 2014)见表2-1-1。
表2-1-1 子宫颈癌分期(FIGO 2014)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1553.jpg?sign=1738925838-KS4JB649Tyjz95jZnMGCy6Er0CBPCCgs-0-1f3fc7308f4588c4aa27e8f928192310)
注: a浸润深度从癌起源的表面上皮或腺体的基底部开始测量不应大于5mm。脉管受累不影响分期
【影像表现】
1.常见CT表现
①宫颈增大,密度低且不均匀,或内有低、高密度结节,病变边缘不清,是宫颈癌的常见及典型表现,可伴有宫腔积液,宫颈边缘光滑或毛糙。CT能够检出≥ⅠB1期宫颈癌,并可提供较准确的侵犯深度。②阴道受侵表现为阴道壁不规则增厚或出现软组织肿块,阴道壁与肿瘤无分界。③淋巴结转移表现为肿大淋巴结呈圆形或卵圆形软组织结节影;出现中心低密度坏死、增强后边缘环状强化,是转移淋巴结的特征表现。(图2-1-1~图2-1-7)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1343.jpg?sign=1738925838-JL7x5Xsg6Y0NRvTem3bQJVhfcUsTHF4n-0-7dabd0fc0ab81bb7fa34d4c188f89361)
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图2-1-1 宫颈原位癌(FIGO ⅠA)
A:宫颈原位癌伴出血,阴道填塞止血后,CT平扫示宫颈未见明确增厚,右侧见出血块,见填塞物高密度影;B:增强扫描宫颈右侧壁稍增厚,强化欠均匀;C、D:增强三维重建示宫颈强化密度稍欠均匀
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1341.jpg?sign=1738925838-QMjumWfCQMbda3uLapRfQQdVGv9XQiQb-0-78097dd96209a0f3d013150acbd0768d)
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图2-1-2 宫颈癌(FIGO ⅠB)
A:CT平扫示宫颈略增厚,密度欠均匀;B:增强扫描宫颈强化密度欠均匀,见斑点状强化小结节样凸起,边缘不清;C、D:增强扫描宫颈强化密度欠均匀,见斑点状强化小结节样凸起,边缘不清
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图2-1-3 宫颈癌(FIGO ⅡA)
A:平扫示宫颈增厚,密度欠均匀;B~D:增强扫描宫颈强化欠均匀,见小斑片状稍低密度强化影,边缘不清,宫旁结构清晰
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1353.jpg?sign=1738925838-fC0CMNRCtQzrlcCnDxOQGHNCO0Iirec8-0-3c846c898b742c7e24ae14045448e562)
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图2-1-4 宫颈癌(FIGO ⅡA)
A:平扫宫颈明显均匀增大;B:增强扫描宫颈肿块强化均匀,宫旁结构清晰,未见异常强化密度影;C、D:增强扫描三维重建示宫颈肿块强化均匀,肿块累及阴道上端,宫旁结构清晰
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1350.jpg?sign=1738925838-A1c8WBdWTpZWlcMlIGCQdYVPM6tktj1b-0-f7dc282d5a18424f0b01818131fdf88f)
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图2-1-5 宫颈癌(FIGO ⅡA)
A:平扫示宫颈明显均匀增大并宫腔积液;B:增强扫描宫颈肿块强化均匀,宫旁结构清晰,未见异常强化影;C、D:增强三维重建示宫颈肿块强化均匀,肿块累及阴道上端,宫旁结构清晰,并宫腔积液
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1358.jpg?sign=1738925838-eGDZOj7Pw4TwZ6oDwCJEfCeMTV04tPjs-0-256a13c3a4d79ed9d2e6d4d75c86437c)
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图2-1-6 宫颈癌(FIGO Ⅲ B)
A:平扫示宫颈巨大肿块,边缘不清,宫旁结构欠清,密度增高、毛糙,与直肠分界清楚;B:增强扫描宫颈肿块强化均匀,边缘不清,结构欠清,密度增高、毛糙;C、D:增强扫描三维重建示宫颈肿块强化均匀,边缘不清,累及阴道全程,宫旁结构欠清,密度增高、毛糙,与直肠分界清楚
2.常见MRI表现
①表现为宫颈实性肿物或宫颈基质环中断,T 1WI以等信号,T 2WI以稍高信号为主;②增强后肿瘤呈轻度均匀或不均匀强化,其强化程度略低于正常宫颈组织;DWI序列表现为高信号,且高信号不随b值的增加而衰减;③周围直接侵犯及淋巴结转移,向宫旁侵犯往往早于向前、后方侵犯;④晚期表现为阴道、盆壁、膀胱和直肠被T 2WI中高信号的肿瘤所占据,肿物与宫颈部原发灶相连。(图2-1-8~图2-1-16)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1356.jpg?sign=1738925838-GB4dIv50TfPrekIVrYB8QXLD4hSCEvfM-0-0c704c0756d8a4c4411795a90b67382e)
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图2-1-7 宫颈癌(FIGO ⅣB)
A:平扫宫颈肿块密度均匀,边缘毛糙,宫旁结构欠清,子宫直肠陷窝少量积液;B:增强扫描宫颈肿块强化欠均匀,边缘毛糙,宫旁结构欠清;C、D:增强三维重建示宫颈肿块强化欠均匀,边缘毛糙,累及阴道,宫旁结构欠清;E:腹膜后淋巴结转移,增强呈均匀或不均匀强化,边缘清楚;F:右侧腹股沟区淋巴结转移,增强后均匀强化,边缘清楚
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图2-1-8 宫颈癌(FIGO ⅠB)
A:T 1WI示子宫颈部肿块,呈等信号,宫旁结构清晰;B:T 2WI不压脂序列示宫颈肿块呈略高信号,子宫边缘清楚,宫旁结构清晰;C:DWI序列示宫颈肿块呈高信号;D:T 2WI压脂序列示宫颈肿块呈稍高信号,边缘清楚;E:T 1WI不压脂序列增强,宫颈肿块轻度不均匀强化;F:T 1WI压脂序列增强,能更好地显示病灶,示宫颈肿块轻度不均匀强化
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1371.jpg?sign=1738925838-AWfDxfubk1qvc3mcda4uoQQ58atjvi1K-0-fcdc3b87833d0ff543080b99fa8214f6)
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图2-1-9 宫颈癌(FIGO ⅠB)
A:T 1WI示宫颈肿块呈等信号,边缘清楚,宫旁结构清晰;B:T 2WI示宫颈肿块呈高信号,边缘清楚,宫旁结构清晰;C:DWI序列示宫颈肿块呈高信号;D:T 2WI压脂序列示宫颈肿块呈高信号,边缘清楚;E、F:增强扫描宫颈肿块轻度均匀强化(病理为宫颈局灶癌变伴不典型增生)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1376.jpg?sign=1738925838-jE8ETFblRooYNoYUZtN0U6SSCfL2PA5x-0-568b080fc7477c22ac39f2ad07384205)
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图2-1-10 宫颈癌(FIGO ⅠB)
A:T 1WI示宫颈肿块呈等信号,边缘清楚,宫旁结构清晰;B:T 2WI示宫颈肿块呈稍高信号,边缘清楚,宫旁结构清晰;C:T 2WI压脂序列示宫颈肿物呈稍高信号,边缘清楚,子宫后壁尚见一子宫肌瘤呈等信号影;D:增强扫描宫颈肿物轻度均匀强化,子宫后壁子宫肌瘤均匀强化呈等信号
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![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1380.jpg?sign=1738925838-k0prBLi6tmdvnRk1VtmvMjs8duuh4iG4-0-f9d7f88cebd155a6fe7247256ad8a2a3)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_546.jpg?sign=1738925838-ZAfOVRBO4nIvrYUlvOTPnV5zxT0fUFwW-0-9b7d4e3fa3ec1d30582703f52c5b5796)
图2-1-11 宫颈癌(FIGO ⅡA)
A:T 1WI示宫颈肿块呈等信号,宫旁结构清晰;B:T 2WI示宫颈肿块清楚,呈稍高信号,边缘清楚,宫旁结构清晰;C:DWI序列示宫颈肿块呈高信号;D:T 2WI示宫颈肿块呈稍高信号,累及穹隆,边缘清楚,宫旁结构清晰;E、F:增强扫描示宫颈肿块轻度均匀强化
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1381.jpg?sign=1738925838-yQsqOGCekZvED484OHeIieKF5InswmOi-0-4b17a075dd737471bf7d37250b6ecb1e)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1382.jpg?sign=1738925838-j4Lst9WC0gHMmYTlZlM8AooMIdWfQzgT-0-edab9bd7c63e6e71687926b1dfc160ea)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1386.jpg?sign=1738925838-ilOclN0tQKRrzctZ95VCNWvuTjY4lVB2-0-1d855fceef5d220430e5529eab8f3fc6)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1389.jpg?sign=1738925838-pCjeIUSAfmmURrQliUK4lcKSAJsnqTCD-0-84f23d00e73c577edd179c89868319e7)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1387.jpg?sign=1738925838-5XSb3AmQZraOd9zL2ZlIZnTsHAoMkFgG-0-b4e4af3e898d4927a8573583d974bca6)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_547.jpg?sign=1738925838-rYlzd19lCiPxHvIVUshhUDKNRgDYIU3S-0-79d64e3307edde2d4e5f7e19ddbc4a2d)
图2-1-12 宫颈癌(FIGO ⅡB)
A:T 1WI示宫颈肿块呈等信号,边缘毛糙;B:T 2WI示宫颈肿块呈稍高信号,边缘毛糙,宫旁结构毛糙;C:DWI序列示宫颈肿块呈高信号,边缘毛糙;D:T 2WI示宫颈肿块呈稍高信号,累及阴道上段,宫旁结构毛糙;E、F:增强扫描宫颈肿块轻度不均匀强化
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1385.jpg?sign=1738925838-zwvzY5973QTu8p0h0ssX1UkpkgFJLPlL-0-341c2f0dd53eac857b49cd6beced7c8c)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1388.jpg?sign=1738925838-0y1iSoIWLnGZJTXVnY9rG8a7pwdcq09T-0-e2c019208dc6197a68afd1949f0941c8)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1391.jpg?sign=1738925838-AbyNDBwvFY5sKpcWkPN9eOovsuqJCvyO-0-8a00c095d670c511ebb7ecf64020d9df)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1394.jpg?sign=1738925838-JDyC1XBL9RgGT4x6qAQIa8o5CrOrO8B8-0-526a170877b19d2d685e1aa7ec98bad6)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1392.jpg?sign=1738925838-PMQBAcjOHbEO9u71dDSgyOeB18OON75D-0-7dad8de8cb2ef2ae9adee65b6aa5402d)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_548.jpg?sign=1738925838-26SrDRqnAcJ25LBwzt5mfbtkJNHueyUb-0-791cd74a214d6748309d15ad9f15684b)
图2-1-13 宫颈癌(FIGO ⅡB)
A:T 1WI示宫颈肿块呈等信号,边缘毛糙;B:T 2WI示宫颈肿块呈稍高信号,边缘毛糙,宫旁结构毛糙;C:DWI序列示宫颈肿块呈高信号,边缘毛糙;D:T 2WI示宫颈肿块呈稍高信号,累及阴道上段,宫旁结构毛糙;E、F:增强扫描宫颈肿块轻度不均匀强化
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1390.jpg?sign=1738925838-0HDYlxvsM97e9kIKjOxdhcxSNDmDRtTb-0-e33b173a66e7dc3acc37791197fbda04)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1393.jpg?sign=1738925838-HSdprKA8ZPgQIC52OGownYmcdrBQOxsP-0-bc9bce5c2b6dcd2ab9a4d6e20902b0f4)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1396.jpg?sign=1738925838-bcj7VpzcB54g9nlCygSjvL3yz3AQVuHg-0-059e18517926f3bcbb747ce01821daee)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1398.jpg?sign=1738925838-9gYWTLNisfk0d7YdjgjE2O0xtplP16ka-0-3dadaf2d05a107b642ac4823420eadbc)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1397.jpg?sign=1738925838-pMdQRdtZHwx8KQVCpbZTBGvsiBXVAYcT-0-7c019691c385e3ee9a5c9dfbd1b53b26)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_549.jpg?sign=1738925838-dh9jpRjRMnYCo10KqjJEcDj9B7TEdTzR-0-1272f6d47115df2cc62b2d78754b535e)
图2-1-14 宫体及宫颈腺鳞癌(FIGO ⅡB)
A:T 1WI示宫体及宫颈肿块呈等信号,边缘毛糙;B:T 2WI示宫体及宫颈肿块呈稍高信号,边缘毛糙,宫旁结构毛糙;C:DWI序列示宫体及宫颈肿块呈高信号,边缘毛糙,宫旁结构毛糙;D:T 2WI示宫体及宫颈肿块呈稍高信号,边缘毛糙,宫旁结构毛糙;E、F:增强扫描宫体及宫颈肿块轻度不均匀强化
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1395.jpg?sign=1738925838-eKBEluBHKb7NRwudXnY4Jrc5ErSfoIeH-0-a82476cd8a9e7ea81a3f2af7428fe51a)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1399.jpg?sign=1738925838-1mgsfeM3lomJrDVs9E5tuJ765Xpd23hW-0-b94075f09149ebc211f01474e7a649de)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1400.jpg?sign=1738925838-Ub0xU4HEg2TZdt47mQjDzGCZyuTJ8WHy-0-f6a112dbf01f641ea0ef6bf373014f17)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1404.jpg?sign=1738925838-oqhIU0k2DP65TPdq6QaMrc46Ftitb3lt-0-bc1741da6416a40390422c5b8a4e1cf8)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1401.jpg?sign=1738925838-PEewDrz0lGP26z2L94usxD2Ot01vSGwk-0-d78f71fd9dcbbe218d67488a76253004)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_550.jpg?sign=1738925838-4P5zfs8f0KZeo9N7TVL5Paa4RgHydtNa-0-a28f007e358d82893ce7619dab72a31a)
图2-1-15 宫颈癌(FIGO ⅢA)
A:T 1WI示宫颈肿块呈等信号;B:T 2WI示宫颈肿块呈稍高信号,边缘毛糙,宫旁结构毛糙;C:DWI序列示宫颈肿块呈高信号,边缘毛糙,宫旁结构毛糙;D:T 2WI示宫颈肿块呈稍高信号,边缘毛糙,累及阴道下段;E:增强扫描,宫颈肿块轻度不均匀强化;F:增强矢状位示宫颈肿块轻度不均匀强化,累及阴道下段
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1402.jpg?sign=1738925838-sihvXEhJr3aK8ljFeOaRqPK4pHIlcWsr-0-7d0af5d9d791303a978d8ddf1747b8b4)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1403.jpg?sign=1738925838-sKf7Oo4ppblFan9ucObfh9AnUiIqlJrf-0-b9029f4f11a929d36ac0debf5ea07833)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1406.jpg?sign=1738925838-JvKbfNgIhLRgPxyoJZNFFV1CqpnDqueQ-0-fadd6501fa44ea5d6b72c8d70fbcd660)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1407.jpg?sign=1738925838-w9b3xAgCTbcsEdiKkGQIsqye5UJcTySl-0-781971836d3897af80317ebee0be066a)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1405.jpg?sign=1738925838-hpeIQ5UDOjAskBEwvH6tj2gYrD2seC5h-0-5ca8d1d66283d271c5e32e4a3718deb7)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_551.jpg?sign=1738925838-FwbpinFpTirofQjJLC4WZGMBk7ds2BrU-0-0372db3fab1a44b538867669539a2221)
图2-1-16 宫颈癌(FIGO ⅣB)
A:T 1WI示宫颈肿块呈等信号,边缘毛糙;B:T 2WI压脂序列示宫颈肿块呈稍高信号,边缘毛糙,与膀胱后壁及直肠前壁分界不清;C:T 2WI压脂矢状位示宫颈肿块呈稍高信号,向上延伸至宫体,向下至阴道,宫旁结构毛糙,与膀胱、直肠分界不清;D:增强宫颈肿块轻度不均匀强化,边缘毛糙,与膀胱后壁及直肠前壁分界不清;E:T 1WI压脂增强矢状位示宫颈肿块轻度不均匀强化,向上延伸至宫体,向下至阴道,宫旁结构毛糙,与膀胱、直肠分界不清;F:T 1WI压脂增强扫描横断位示双侧髂外血管旁淋巴结肿大,呈环形强化(患者左锁骨上淋巴结亦肿大)
【鉴别诊断】
1.子宫平滑肌瘤
子宫肌瘤在T 2WI为边缘清晰的低信号肿块,结合临床病史及实验室检查可资鉴别。
2.子宫内膜癌侵犯宫颈
影像学上难以鉴别,需结合临床、实验室检查及病理组织学检查。