持续腹胀需注意排除胰腺肿瘤

2018-10-22 佚名 医侃

患者女性,18岁。主诉:进食后腹胀4年,发现胰腺肿物2个月。

患者信息

患者女性,18岁。

主诉:进食后腹胀4年,发现胰腺肿物2个月。

现病史:患者4年前出现进食后腹胀,减少进食量可缓解。于2016年8月1日晨无明显诱因出现左上腹针刺样疼痛,无放射、转移,蜷缩时缓解,无明显加重因素,持续2天后缓解,伴恶心、呕吐,呕吐物为内容物及胆汁,无发热、腹泻、黄疸、呕血、黑便、停止排便排气等不适。

血常规:WBC 8.73×109/L,NEUT% 76%,HGB 128g/L,PLT 235×109/L;

胰功:AMS 63U/L,LIP 18U/L;

血CEA、CA19-9、CA724、CA242未见异常

既往史:无特殊

影像检查


CT轴位平扫


CT增强动脉期


CT增强门脉期


CT增强延迟期


CT增强冠状位重建

你看出这是什么病了吗?

怎么读片?

胰体尾部,囊实性肿物,囊性区主要位于中央部,实性区主要位于边缘部,呈不规则片状、结节样,增强实性成分呈渐进性明显强化,囊性成分未见明确强化,边界清楚,肿物与胰腺呈“鸟嘴征表现”,向前推压体,脾静脉根部受压狭窄,无侵犯、破坏。


胰腺实性假乳头状瘤

病例讨论

CT图像显示肿物与胰腺关系密切,且患者为青春期女性,肿瘤标记物未见明确异常,胰功正常,因此考虑为胰腺来源的良性或低度恶性肿瘤,主要包括:胰腺实性假乳头状瘤、胰腺导管内乳头状黏液性肿瘤、胰腺黏液性囊性肿瘤、 胰腺神经内分泌肿瘤。

鉴别诊断

胰腺实性假乳头状瘤:好发于青春期少女或年轻女性,20~25y,属于交界性或低度恶性肿瘤,CT影像学表现:外生性生长,囊实性混杂密度多见,圆形或卵圆形、分叶状,可有包膜,边界清晰,可见钙化,增强扫描实性成分渐进性中等或明显强化,略低于周围正常胰腺,包膜较明显强化 。

胰腺黏液性囊性肿瘤 :起源于胰腺导管高柱状上皮细胞,占胰腺外分泌肿瘤2%~5%,中青年女性多见(90%~95%),胰体尾部多见。分型包括粘液性囊腺瘤、交界性恶性粘液性囊腺瘤、粘液性囊腺癌,CT影像学表现:单房或多房囊性肿物,边界清楚。良性:囊壁及分隔较薄;交界恶性或恶性:较厚,不规则或有壁结节;10%CT可见钙化,增强囊壁及分隔延迟轻度强化。

胰腺导管内乳头状粘液性肿瘤:罕见,属于胰腺外分泌肿瘤,起源于胰腺导管,胰头、钩突部多见,老年男性多见,65y,多有反复发作急性胰腺炎病史,属于癌前病变,恶变率30%~35%,预后较好。

胰腺神经内分泌肿瘤:主要以功能性者胰岛素瘤为主,肿瘤较小,动脉期均匀明显强化,高于正常胰腺,门脉期一般仍高于周围胰腺实质,部分呈等密度。无功能性者一般肿瘤体积较大,常伴坏死、囊变,增强扫描主要表现为富血供特点。

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    2019-03-01 13718711b3m

    值得借鉴与分享的经验总结,非常实用的学习资料,学习了,获益匪浅,涨知识,感谢分享!

    0

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    2018-10-24 qindq