MRI of gastric carcinoma: results of T and N-staging in an in vitro study
- Abstract
- AIM: To determine the accuracy of 1.5-T magnetic resonance imaging (MRI) in the evaluation of gastric wall invasion and perigastric lymph node metastasis in gastric adenocarcinoma. METHODS: Twenty resected gastric specimens containing 20 tumors were studied with a 1.5-T MR system using a commercial head surface coil. MR scanning was performed with a T1 weighted image (TR/TE = 500/20), and a T2 weighted image (TR/TE = 2500/90). MR findings were compared with pathologic findings. RESULTS: A T1-weighted image demonstrated three layers in the normal gastric wall. All of the gastric tumors were well demonstrated by lesions and location. In a MRI findings of gastric wall invasion, there was 1 case of T1, 7 of T2, 11 of T3. Pathologic results of resected specimens included 3 cases of pT1, 4 of pT2, and 12 of pT3. The accuracy of T staging with MRI was 74% (14 of 19). MRI findings of lymph node metastasis included 6 cases of N0, 13 cases of N1. The accuracy of the N staging with MRI was 47% (9 of 19). CONCLUSION: MRI has a high diagnostic accuracy in the evaluation of the T staging of gastric cancer in vitro and thus potentially enables preoperative histopathologic staging.
- All Author(s)
- I. Y. Kim
; S. W. Kim
; H. C. Shin
; M. S. Lee
; D. J. Jeong
; C. J. Kim
; Y. T. Kim
- Issued Date
- 2009
- Type
- Article
- Keyword
- Gastric cancer; Magnetic resonance imaging; Neoplasm; Staging; Stomach; Depiction of wall layer
- Publisher
- Baishideng Publishing Group
- ISSN
- 1007-9327
; 2219-2840
- Citation Title
- World Journal of Gastroenterology
- Citation Volume
- 15
- Citation Number
- 32
- Citation Start Page
- 3992
- Citation End Page
- 3998
- Language(ISO)
- eng
- DOI
- 10.3748/wjg.15.3992
- URI
- http://schca-ir.schmc.ac.kr/handle/2022.oak/1969
- 공개 및 라이선스
-
- 파일 목록
-
Items in Repository are protected by copyright, with all rights reserved, unless otherwise indicated.