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中华结直肠疾病电子杂志 ›› 2017, Vol. 06 ›› Issue (02) : 108 -113. doi: 10.3877/cma.j.issn.2095-3224.2017.02.005

所属专题: 文献

论著

左右半结肠黏液腺癌的CT表现比较
李振辉1, 吴琳2, 张治平1, 高德培1, 王关顺1, 张大福1,()   
  1. 1. 650118 昆明医科大学第三附属医院(云南省肿瘤医院)放射科
    2. 650118 昆明医科大学第三附属医院(云南省肿瘤医院)病理科
  • 收稿日期:2017-01-22 出版日期:2017-04-25
  • 通信作者: 张大福
  • 基金资助:
    云南省科技厅-昆明医科大学应用基础研究联合专项基金(No.2014FB062)

Comparison of CT manifestations of left-sided and right-sided colon mucinous adenocarcinoma

Zhenhui Li1, Lin Wu2, Zhiping Zhang1, Depei Gao1, Guanshun Wang1, Dafu Zhang1,()   

  1. 1. Department of Radiology, The Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming 650118, China
    2. Department of Pathology, The Third Affiliated Hospital of Kunming Medical University, Tumor Hospital of Yunnan Province, Kunming 650118, China
  • Received:2017-01-22 Published:2017-04-25
  • Corresponding author: Dafu Zhang
  • About author:
    Corresponding author: Zhang Dafu, Email:
引用本文:

李振辉, 吴琳, 张治平, 高德培, 王关顺, 张大福. 左右半结肠黏液腺癌的CT表现比较[J]. 中华结直肠疾病电子杂志, 2017, 06(02): 108-113.

Zhenhui Li, Lin Wu, Zhiping Zhang, Depei Gao, Guanshun Wang, Dafu Zhang. Comparison of CT manifestations of left-sided and right-sided colon mucinous adenocarcinoma[J]. Chinese Journal of Colorectal Diseases(Electronic Edition), 2017, 06(02): 108-113.

目的

探讨左、右半结肠黏液腺癌CT表现和位置的关系。

方法

回顾性分析云南省肿瘤医院收治的168例经病理确诊的结直肠黏液腺癌患者临床和CT资料,按病灶部位分为左、右半结肠黏液腺癌两组,比较两组患者发病年龄、性别、病变肠壁长度及厚度、肠壁增厚形式、平扫CT值、增强CT值、强化程度、增强后低密度区比例、肠周浸润程度、肠周淋巴结转移、远处转移的差异。

结果

左、右半结肠黏液腺癌两组在病变肠壁长度及厚度(t=5.066、3.903,P<0.05)、肠壁增厚形式(χ2=15.398,P<0.05)、肠周浸润程度(χ2=9.954,P=0.007)、强化程度(χ2=9.641,P=0.008)、增强后低密度区比例(χ2=12.946,P=0.002)等方面差异有统计学意义,在平均发病年龄、平扫CT值、增强CT值、性别比例、淋巴结转移、远处转移等方面差异无统计学意义(t=0.029、0.0108、1.494,χ2=0.148、0.391、0.910,P>0.05)。

结论

左、右半结肠黏液腺癌的CT表现差异有显著统计学意义。相对左半结肠黏液腺癌,右半结肠黏液腺癌病变肠壁范围更广、厚度更大、肠周浸润程度更重,CT增强后强化程度较低且低密度区比例更高。

Objective

To compare the difference of CT manifestations of left-sided and right-sided colon mucinous adenocarcinoma, and to improve the radiology acknowledge about them.

Methods

CT findings of 168 patients with colorectal mucinous adenocarcinoma confirmed by surgery and pathology were retrospectively analyzed in the Tumor Hospital of Yunnan Province, the differences of age, gender, length and thickness of the involved intestinal wall, the thickening pattern of the intestinal wall, the peri-intestinal invasion, CT value on NECT, CT value on CECT, the contrast-enhanced form, degree of low density region in CECT, the occurrence metastasis of lymph node and other organs were compared between the two groups.

Results

Compared with the left-sided colon mucinous adenocarcinoma group, lesions of right-sided colon mucinous adenocarcinoma group was wider and thicker (t=5.066、3.903, P<0.05). There were statistically significant differences of the thickening pattern of the intestinal wall (χ2=15.398, P<0.05), peri-intestinal invasion (χ2=9.954, P=0.007), contrast-enhanced level (χ2=9.641, P=0.008) and low density region in enhanced CT show (χ2=12.946, P=0.002) between the two groups, while there was no statistically significant difference in age, CT value on NECT, CT value on CECT, gender, lymph node metastasis and other organs metastasis (t=0.029、0.0108、1.494, χ2=0.148、0.391、0.910, P>0.05).

Conclusion

There are some differences of CT manifestations of left-sided and right-sided colon mucinous adenocarcinoma. Compared with left-sided colon mucinous adenocarcinoma, the CT manifestations of right-sided colon mucinous adenocarcinoma include a wider and thicker of bowel wall thickening with the lower enhancement degree and more cystic components in contrast-enhanced CT show.

表1 左右半结肠黏液腺癌一般临床病理资料及CT表现比较(例)
图1 女,56岁,升结肠黏液腺癌。图1A: CT平扫示升结肠壁增厚并肿块形成(箭头),密度稍低,CT值平均约26 Hu;图1B:CT增强扫描静脉期示增厚肠壁呈轻中度不均匀强化,其内可见大量低密度区强化(星号),可见肠周中度浸润(箭头);图1C:冠状位重组示病变范围较广(箭头),病变处周围脂肪间隙模糊;图1D:病理镜下见大量黏液,其内散在癌细胞(HE,×200)
图2 女,46岁,降结肠黏液腺癌。图1A: CT平扫示降结肠壁增厚并肿块形成(箭),密度稍低,CT值平均约33 Hu;图1B:CT增强扫描静脉期示增厚肠壁呈明显不均匀强化,其内散在小片状低密度区(箭);图1C:冠状位重组示病变范围局限性(箭),病变边缘清楚;图1D:病理镜下见大量黏液,其内大量癌细胞(HE,×200)
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