论文部分内容阅读
目的：探讨胃恶性肿瘤的ＭＲＩ特点及其诊断价值。材料和方法：回顾性分析３２例经病理证实胃恶性肿瘤的ＭＲＩ资料，其中胃腺癌２５例，胃淋巴瘤３例，胃平滑肌肉瘤３例，结肠癌侵犯胃壁局部１例。另有正常对照组１０例。所有病例均肌注盐酸消族山莨菪碱 １０～ ２０ｍｇ １０～ １５ｍｉｎ后口服 ０．１％钆喷酸葡胺 ８００～ １０００ｍｌ再行扫描。使用Ｐｈｉｌｉｐｓ ＡＣＳ－ＮＴ１５型１．５Ｔ磁共振成像仪，图像采集应用自旋回波序列，Ｔ１和Ｔ２加权像，部分加扫脂肪抑制和质子密度像。结果：对照组中胃壁及周围结构都清晰显示。 Ｍ ＲＩ能准确地显示胃肿瘤的大小、形态、侵及范围、远处转移，对胃恶性肿瘤浆膜外浸润也能及早发现。结论：ＭＲＩ对胃恶性肿瘤的诊断与分期有重要价值。
Objective: To investigate the characteristics of MRI of gastric cancer and its diagnostic value. Materials and Methods: MRI data of 32 cases of gastric malignant tumors confirmed by pathology were retrospectively analyzed, including 25 cases of gastric adenocarcinoma, 3 cases of gastric lymphoma, 3 cases of gastric leiomyosarcoma, and 1 case of colon cancer invading the stomach wall. Another normal control group 10 cases. In all cases, intramuscular injection of hydrochloric acid to eliminate ansamycin 10 ~ 20mg 10 ~ 15min after oral administration of 0.1% glucosamine glucosamine 800 ~ 1000ml rescan. Using a Philips ACS-NT15 1.5T magnetic resonance imager, image acquisition uses spin echo sequences, T1 and T2 weighted images, and partial scans of fat suppression and proton density images. Results: The stomach wall and surrounding structures were clearly displayed in the control group. M RI can accurately display the size, shape, invasion and range of gastric cancer, and distant metastases. It can also be found early in the serosal invasion of gastric malignant tumors. Conclusion: MRI has important value in the diagnosis and staging of gastric cancer.