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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=1739669844-l9jpajjDRVKmA5OFYF2Si895DDr2oB1S-0-57cd5933f1cd5d9d8ef3ecc5dd1bd8ad)
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=1739669844-0jmxVT46reJa2bt2AV0pOiJoebRNXz9V-0-92e06158cae1b1cbf459cd3d1e760f6d)
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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=1739669844-pQQYQ6qzxbOJCgJ0xFXUeUbrPIXd025p-0-f058e6414d435ce71f22f5f5b3580854)
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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
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1348.jpg?sign=1739669844-z1HaS6CYvgVVEWUMItRPQtSa5gmtrRrr-0-6639727f301687508bab5c017d7f89e9)
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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=1739669844-FFiXxTkhWPJFxHClZNaxu0tMb3JTb7xI-0-d152080c9d2e4b1e75d5e6f677736a49)
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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=1739669844-DbIMRwDvNkhvpONUt0ioTyaMGUdYATe0-0-0b5a652b949ea0890657aa6f4b6915fe)
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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=1739669844-eKERuIctTzo1FzE1XwkvTFj2UUtlip7v-0-d5dfd10e1353686cb73deb512b42dd8c)
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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=1739669844-JmfHgyUD7Ikk9oZ0JzcO0V4yTa30dozj-0-0649b0a99942502dc4f36f9b19932a62)
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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=1739669844-MAMVgTJEtVZ7IY7mM1wpzSjB0MYuR9RF-0-38cf7a702362e171a2d1c511ecacece9)
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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=1739669844-twVupmoO10R6YC1RZXCqo5kLjUUxAdt8-0-9289f9184371c67a81be1d9c84d15ee5)
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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=1739669844-1kASrcFa8AIQbjxX3okbzMuyamsdjCUx-0-4b33133540cdb19b32261ba8d44300f1)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_546.jpg?sign=1739669844-3U6DjE3zHO207yOVQEdWHVf6UIO4ZlSh-0-2a809164e5fd5828eda33fa90135e456)
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=1739669844-757r01zmE07LaZZkT4eZ4gchn9wk8er0-0-c3eae4196dc21af89faac1c671509008)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1382.jpg?sign=1739669844-jHuPIWTVvQ5kkBsw9SIY8EtaYEcTbo8e-0-e11775b4adf244ed219fac59347f45ae)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1386.jpg?sign=1739669844-riAzrTDWFLMPzYt97c2D1Fvg2jVhJC7n-0-ab58c1da61f094893c2d957426f2c2d5)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1389.jpg?sign=1739669844-NjJsgIuDt6UP1pEmOsbQj803g6Xcj9IX-0-7a56cfb9ce0ca631672b5123b2173e38)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1387.jpg?sign=1739669844-2JUyLCOZ0ETTQawRUtr6xsqxFREVkmC5-0-b52be01efb05575b1c636806c90dc8a8)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_547.jpg?sign=1739669844-yjyBh8WnDCdW8XJD6BHhlvesVgpXWUEx-0-656d6ee6f657eb388457ac3c9e7fc9ee)
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=1739669844-jAjzCFOXgc3G81mba5A0gB8jBFLXGThP-0-f4f16ad4e13b2db53f0d63145e826b97)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1388.jpg?sign=1739669844-BOLRkaqtjURWosGwzcVGYqXLGZc22ucz-0-898c4b9622949c1cd04cc1c07c810976)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1391.jpg?sign=1739669844-cBaSEGWkczfe4auxxpc5YdO43G0cCDCl-0-4b340ff3e665b073823f9e1a0a9f113f)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1394.jpg?sign=1739669844-xMNjEAJLZ5LqzSZpewXbwmdANPO76Kpr-0-1ba804a3ab9844048d4a051100eb3cd8)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1392.jpg?sign=1739669844-zwZK47VFTv8Uhz68ISuuQm0X1s9RJSlK-0-448b8e315f55a2e1032eafb212172ee4)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_548.jpg?sign=1739669844-hY2PH9JJloXOdoZCV8eX1beN1PBHIylF-0-72e09e0a758104edce37589a0ec70001)
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=1739669844-PrgFeB1t0HKcJyDKHD5kHOVUPZA70HH4-0-98a90e3f37830940b877a0741adb8e12)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1393.jpg?sign=1739669844-eiGkqLaFxXjuYXsXwy8OiaBCPlzoaOTt-0-2174c0b3639c93e75bed0fdcab5cedac)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1396.jpg?sign=1739669844-9Ry60W7FMkpeVv6vePfBZxJhQEjfoGla-0-8197724bcb5ca5ceee41c68d123d47b8)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1398.jpg?sign=1739669844-mmV8gsrh80LvCQWrwkBWJ6yJBr9tLi9G-0-41333d08261ec8ac81ea517694feb5d5)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1397.jpg?sign=1739669844-qlkwY6kBeofmy7GIVnWjKUOq9AYbe7rX-0-05509df0d0608fb93ab219f7f86a7a63)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_549.jpg?sign=1739669844-3uCjQyEQT3ixfznZtBQG2AZ8iUvw5N2e-0-304a99b06966a4874e13c18b02ce212e)
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=1739669844-2IeK8jnteCjEoRiKqdoeEo4J8WbpwzX9-0-6e9e3c124b9baaa5c313c2df1b111c9f)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1399.jpg?sign=1739669844-ACkzw17Lr78zHx4JOxzHouhFslI7pdvW-0-f3d873dcd91f30a8b3c2ef8879ed7385)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1400.jpg?sign=1739669844-3ERqjZdZbSRAjxmEhCV5GWgK3SULwJy9-0-de00b253a30d5cc9db622940dd5f3559)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1404.jpg?sign=1739669844-kSEBcXOT5qyO75QawmD931BR2Y4Fa3rJ-0-04b79727eb442b89f9d9bd36b20fa2d5)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1401.jpg?sign=1739669844-PqHlqPvjrOeDId9B51PSSsUUkFWCIzsw-0-847109be6719511bf530e72088ccd338)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_550.jpg?sign=1739669844-dH5dDhqhaEsfpkLMOrxQG2iERlUKz4XF-0-fab0dc725c43fcc806a50268c08c58cb)
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=1739669844-nraqaDkX8fSAOGMXoFeyzMKloRBD0JD1-0-6efafd07855c25a35cc28a9a79f5fa3f)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1403.jpg?sign=1739669844-uvvOjH7JiEx3Qb5hYIejp6WlW1U9bbZQ-0-1bebd16931e44a5b3b159604bd750a3e)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1406.jpg?sign=1739669844-5AQUPyZFeEU6dWq4gaJ0AqndfByAlSff-0-bf153b16b680a63ebae503170c2b6829)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1407.jpg?sign=1739669844-LDnHvLb1DcLDnYzdiqE26hPgphIvWQ5S-0-8363face0d3029469152737e546d01c6)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_1405.jpg?sign=1739669844-D4ruxAuYos2XKQOf4B9FABOgTsveeXmM-0-bbe3c086e9c2700987e2da73ea1b734d)
![](https://epubservercos.yuewen.com/5F541E/14504128505009206/epubprivate/OEBPS/Images/Chapter_551.jpg?sign=1739669844-bHAu8ACjs2QH653bB6gsE9AfDL5rbmk7-0-a750c7a3ef99b1713ff378be5bf00a96)
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。