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超声联合多层螺旋CT诊断胰腺癌的临床价值

作者:闫 爽

所属单位:辽宁省铁岭市中心医院彩超室(辽宁 铁岭 112001)

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摘要

目的 探讨超声联合多层螺旋 CT(MSCT)诊断胰腺癌的临床价值。方法 回顾性分析我院2012年1月-2015年1月经 病理确诊60例胰腺癌患者术前影像学资料 (超声、MSCT),观察超声、MSCT影像学表 现,并与病理结果对照,分析超声、MSCT 单独及联合检查对胰腺癌确诊率及漏误 诊率。结果 超声、MSCT、超声联合MSCT 对胰腺癌确诊率分别为73.3%、88.3%、 93.3%,超声确诊率明显低于MSCT、超声 联合MSCT检查(P<0.05)。胰腺癌影像学 表现:超声上胰腺内低回声或混合回声肿 块、胰腺肿大、边界模糊,不规则形态; MSCT上常规平扫多低密度或等密度,增强 扫描动脉期以未强化为主,门脉期以中等 不均匀强化为主,多不规则形态。结论 超声、多层螺旋CT诊断胰腺癌各有特点, 两者联合检查对胰腺癌确诊率高。

Objective To investigate the clinical value of ultrasound combined with multislice spiral CT (MSCT) in the diagnosis of pancreatic cancer. Methods The preoperative imaging data (ultrasound, MSCT) of 60 patients with pancreatic cancer confirmed by pathology in our hospital from January 2012 to January 2015 were retrospectively analyzed. The imaging findings of ultrasound and MSCT were observed and compared with pathological findings. The rates of confirmed diagnosis, missed diagnosis and misdignosis of ultrasound, MSCT alone and the combined detection of pancreatic cancer were analyzed. Results The rate of confirmed diagnosis of ultrasound, MSCT, ultrasound combined with MSCT in pancreatic cancer were 73.3%, 88.3% and 93.3%, respectively. The rate of confirmed diagnosis of ultrasound was significantly lower than that of MSCT and ultrasound combined with MSCT (P<0.05). Imaging findings of pancreatic cancer: for ultrasound, low echo or mixed echo masses, pancreas swelling, vague boundaries, irregular shape in the pancreas; For MSCT, routine plain scan mainly showed low density or equal density and enhanced scan of arterial phase mainly were not enhanced. The portal vein phase was medium inhomogeneous enhancement. Conclusion Ultrasound and multislice spiral CT in the diagnosis of pancreatic cancer have their own characteristics. The combined detection of the two has a high diagnostic rate of pancreatic cancer.

【关键词】超声;多层螺旋CT;胰腺癌; 影像学表现

【中图分类号】R735.9

【文献标识码】A

【DOI】 10.3969/j.issn.1672- 5131.2017.04.032

前言

胰腺癌作为临床一种好发于中老年人群的消化系统恶性肿瘤,早 期症状缺乏特异性,随着病情不断进展则表现出腹痛、消化道等症 状,由于早期胰腺癌便可对胆管、十二指肠累及,随后便对周边血管 侵犯或病灶转移,病情进展快且严重[1-2]。据统计,胰腺癌1年生存率 仅30%,5年生存率(根治性手术后)也不到10%,预后极差。为此早期 正确诊断胰腺癌具有十分重要的意义[3]。目前临床诊断胰腺癌以肿瘤 标志物(如血清CA19-9)、影像学检查为主,特别是影像学检查,对肿 瘤位置、大小、性质等可准确显示,为临床治疗方案制定提供重要依 据。基于此,本研究通过回顾性分析我院2012年1月~2015年1月确诊 60例胰腺癌患者影像学资料,以探讨超声联合多层螺旋CT(MSCT)对胰 腺癌的诊断价值,报告如下。