肝脏边缘性肿瘤的诊断思路:
定位:(1)肝脏来源(2)非肝脏来源
定性:肝脏来源→血管瘤、肝腺瘤、肝癌、肝母细胞瘤、淋巴瘤
非肝脏来源:淋巴瘤、间质瘤、胆源性肿瘤、肠源性肿瘤、胰源性肿瘤、肾及肾上腺源性肿瘤
看几个小病例
1
![](https://p3-sign.toutiaoimg.com/pgc-image/26b485cb92ca40c08558eaa84cdaff98~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=M7De5wNdVxAOH%2BkdHFU7IdILxu0%3D)
肝脏血管瘤:
边界较清,密度较均匀,可见分隔
强化特征:“早出晚归” ,边缘先强化,呈结节状或花环状,逐渐向中心蔓延
2
![](https://p3-sign.toutiaoimg.com/pgc-image/597b101362ca4d6eb0065c5439d587d1~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=VLduEkLfbCSjxeKsbkcTHqDxUzA%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/0198164c4289441786b8b5f3bfaf25bd~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=VKMn%2Bcv1Z3vz66MAzaQniTWRM0s%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/edab0271e305485baaabdee6efa56705~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=Coy9keLLsdbCGZWwjxqSigZgJLY%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/9816ed913c7b43aa9008a4d5c9532ebb~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=fzEhbAlDS3kaXwAKmCv%2FyGYt1KA%3D)
肝脏腺瘤
多认为与口服避孕药有密切关系
肝细胞腺瘤(肝腺瘤),来自肝细胞
胆管腺瘤和胆管囊腺瘤,来自胆管上皮
混合型腺瘤
多呈圆形低密度影,边缘光滑,有包膜
增强多均匀强化
3
![](https://p3-sign.toutiaoimg.com/pgc-image/7f60f6b86356475b8e75842927445de6~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=lt6GnJsa%2Bm7mvpp8%2FRB2XxjLbv0%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/2fbd5dbb9dbb48ffaf378a790d9ef332~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=yqboYnsGWwd5NsaGHImmUEZTS3I%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/99ff22d6a4ac4e6e8ba2a0749b71fb6a~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=lz4am2b9cjZcRaPv%2BpZALhAcVmo%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/fc760acba706422090fa19d685145473~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=QKUI5EqbTOoKCbp1FdjPSdkdpfY%3D)
肝癌
多层面多灶性坏死
增强扫描“快进快出”
4
![](https://p3-sign.toutiaoimg.com/pgc-image/59bca1daf4aa4d8ead8f7c6fbc762d17~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=%2FmX01SDG4rrqB6mA7cruKl6x1aw%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/6ea823281d3944fd8289da8033d2ba3b~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=DOimReik7EQcmZph9Cz9WpLk3X8%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/5c2a41ef39374c4ba1872da4ffef8ef9~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=TE7Au4kNVUx4pd9aEKVztFn%2FjfE%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/79875756b4f24b99bf2e890430aa5fd1~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=LqsUFlDeACZc8QwXI7RLTjgdEp4%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/3462ba74ca4b4ab19455be05e0026b12~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=y%2Bm%2BOzpHT9DX3tHgAmphNUj0NWc%3D)
肝脏神经内分泌癌
较少见,占所有肝肿瘤的l%一5%
神经内分泌临床表现
肝内不均匀低密度肿块,常见坏死液化区
肿瘤广泛出血坏死可形成巨大囊实性肿块
动态增强早期肿瘤为不均匀增强,晚期肿瘤逐步转变为等密度及低密度
5
![](https://p3-sign.toutiaoimg.com/pgc-image/ae3d6cd2db914e15aebe36c470c6324b~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=QhwD58VmFyTzS1rjrBxyFENMpFc%3D)
胆囊癌
常位于胆囊窝内,密度不均匀,与肝脏分界不清
增强呈不均匀强化,坏死常见
肝浸润、转移或腹腔、腹膜后淋巴结转移常见
6
![](https://p3-sign.toutiaoimg.com/pgc-image/697b070c5ebb4713bf194c2d4a902f86~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=wluz5KwZZcTDlIU4%2FJNEFmcJgYg%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/b694643169aa4437a9abea577fd0ff5c~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=lKIZ2uf91PdVVh8BjKTZdTEcXCY%3D)
神经母细胞瘤
多发生在婴幼儿,恶性程度很高
半数以上发生在肾上腺髓质
巨大肿块,密度不均,其内可见钙化
肝肾多呈受压改变,若侵犯则边界不清
增强多呈不均匀强化,周围血管包绕或受压
7
![](https://p3-sign.toutiaoimg.com/pgc-image/2cf0d4d688324a03a0541b9071d67bb9~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=clm%2FRLuaNRBUJey%2FX0YTtAgtShU%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/89c4fd624ba5475ca5fa88ae913cbe29~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=jESXMhcsoVwO3q0ISz51kvbanhA%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/569c585b16914cb28988f72f310ac9bd~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=Cd8jm3Np%2BELlVVv%2Bb3kSQDFZCVU%3D)
![](https://p3-sign.toutiaoimg.com/pgc-image/a43f74168914471d8122ee4d22e98803~tplv-tt-large.jpeg?x-expires=1969878209&x-signature=DVasKOo%2BrqIYK%2BlnKpoi7ORBrEQ%3D)
肾上腺皮脂腺瘤
良性肿瘤,分泌醛固酮
多单发,有完整包膜,边界清
无功能性腺瘤可生长较大
增强多呈轻-中度强化
来源:新乡医学影像服务中心
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