Objective To summarize and analyze the MRI imaging findings of advanced gastric cancer in order to improve the level of image diagnosis.
Methods The plain and dynamic enhanced MRI findings in 8 volunteers and 30 patients with pathologically proven advanced gastric cancer were retrospectively analyzed.
Results The stomach wall of advanced gastric cancer was inhomogeneous thickening with iso intensity or little hypo intensity signal on T1WI, and iso intensity or little hyper intensity signal on T2WI. Cases with serosal infiltration, the serous appearred indistinctly and rough. In some cases, the low signal zones between gastic wall and fat space were interrupted on T1WI out-of-phase image. Cases with adjacent organs invaded, the fat space was rough or disappeared. The lesions showed obvious irregular or hierarchy enhancement on MRI dynamic contrast scanning.
Conclusions Inhomogeneous thickening of gastic wall with abnormal signal intensity, indistinctness or disappearance of fat space, irregular or hierarchy enhancement are very valuable as diagnostic signs in patients suspective of advanced gastric cancer.
Citation:
AO Ping,HUANG Juan,ZHANG Hongjing,YU Jianqun,Sun Jiayu.. MRI Image Analysis of Advanced Gastric Cancer. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2012, 19(1): 109-112. doi:
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Copyright © the editorial department of CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY of West China Medical Publisher. All rights reserved
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张瑞平, 李健丁, 乔英, 等. 螺旋CT 和MRI 判断胃癌T 分期的价值 [J]. 中国中西医结合影像学杂志, 2008, 6(6): 421-423, 426..
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- 1. 程骏, 温新东, 黎金林, 等. 进展期胃癌术前磁共振成像的研究 [J]. 温州医学院学报, 2003, 33(2): 100-101..
- 2. Stashuk GA. Gastric magnetic resonance study (methods, semiotics)[J]. Vestn Rentgenol Radiol, 2003, (2): 32-41..
- 3. 王嵩, 任克. 胃癌磁共振成像的研究进展 [J]. 中国临床医学影像杂志, 2008, 19 (6): 423-426..
- 4. Dux M, Roeren T, Kuntz C, et al. MRI for staging of gastric carcinoma: first results of an experimental prospective study [J]. Comput Assist Tomogr, 1997, 21 (1): 66-72..
- 5. Yamada I, Saito N, Takeshita K, et al. Early gastric carcinoma:evaluation with high-spatial-resolution MR imaging in vitro [J].Radiology, 2001, 220 (1): 115-121.
- 6. Kim IY, Kim SW, Shin HC, et al. MRI of gastric carcinoma:results of T and N-staging in an in vitro study[ J]. World J Gastroenterol, 2009, 15 (32): 3992-3998..
- 7. 李华兵, 李健丁. MR 平扫及动态增强扫描对胃癌术前TNM 分期的临床应用研究 [D]. 太原: 山西医科大学, 2006: 1-9..
- 8. 王锡明, 武乐斌, 李振家, 等. 螺旋CT 在胃分区及胃壁厚度测量中的价值 [J]. 医学影像学杂志, 2001, 11(5): 290-292.
- 9. 李征宇, 杨岳松, 何之彦, 等. MRI 在胃癌诊断及pT 分期(TNM) 中的运用 [J]. 中国医学计算机成像杂志, 2001, 7(6):393-396..
- 10. 张蓓. 胃癌的MRI 检查技术和正常胃及胃癌的表现 [J]. 上海医学影像, 2000, 9(1): 46-47..
- 11. Kang BC, Kim JH, Kim KW. Value of the dynamic and delayed MR sequence with Gd-DTPA in the T-staging of stomach cancer:correlation with the histopathology [J]. Abdom Imaging, 2000,25 (1): 14-24..
- 12. 汤群锋, 沈钧康, 冯一中, 等. 胃癌动态增强MRI 表现与肿瘤血管形成关系的研究 [J]. 中华放射学杂志, 2004, 38 (10):67-72..
- 13. 严超, 朱正刚. CT 和MRI 检查应用于胃癌术前分期的研究进展 [J]. 实用癌症杂志, 2003, 18 (3): 327-329..
- 14. 张海燕, 孙立波. 胃癌术前分期诊断的研究进展 [J]. 中国普外基础与临床杂志, 2010, 17(1): 34-36..
- 15. 张瑞平, 李健丁, 乔英, 等. 螺旋CT 和MRI 判断胃癌T 分期的价值 [J]. 中国中西医结合影像学杂志, 2008, 6(6): 421-423, 426..
- 16. 王嵩, 任克, 孙文阁, 等. MRI 与MSCT 对胃癌术前T 分期的比较 [J]. 放射学实践, 2011, 26(4): 426-429..
- 17. 张欢, 潘自来, 宋琦, 等. 磁共振与多层螺旋CT 在胃癌术前分期中的诊断价值 [J]. 上海交通大学学报( 医学版), 2007,27(5): 577-580..
- 18. Sohn KM, Lee JM, Lee SY, et al. Comparing MR imaging and CT in the staging of gastric carcinoma [ J]. AJR, 2000, 174 (6): 1551- 1557..