ArticleJapanese journal of radiology2016
MRI can be used to assess advanced T-stage colon carcinoma as well as rectal carcinoma.
Article in Japanese journal of radiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- CT and 3 Tesla MRI in the TN Staging of Colon Cancer: A Prospective, Blind Study.Current oncology (Toronto, Ont.) · 2022Article
- MRI-detected extramural venous invasion of rectal cancer: Multimodality performance and implications at baseline imaging and after neoadjuvant therapy.Insights into imaging · 2021Review
- Noncontrast MRI of acute abdominal pain caused by gastrointestinal lesions: indications, protocol, and image interpretation.Japanese journal of radiology · 2021Review
- MRI of the Colon in the Pharmaceutical Field: The Future before us.Pharmaceutics · 2019Review
- Utility of MR imaging in the evaluation of colon cancer.Japanese journal of radiology · 2017Article
- Utility of MR imaging in the evaluation of colon cancer: emphasis on distinguishing tumor tissue from fibrosis and role of contrast media.Japanese journal of radiology · 2017Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTo evaluate the feasibility of assessing advanced T-stage (T3-T4) colorectal carcinomas by correlating MRI with histopathological findings. MATERIALS AND
methodsThe study population comprised 31 patients with 32 lesions (22 colon and 10 rectal carcinomas). The relationship between the tumor and bowel layers on T2- and contrast-enhanced T1-weighted images (T2WI, CE-T1WI), bowel wall deformity, and the linear architecture of subserosal fat on T2WI scans was independently assessed by two radiologists. Diagnostic ability and interobserver agreement were evaluated using Fisher's exact test and kappa statistics, respectively.
resultsThe sensitivity/specificity for disrupting the outer layer on T2WI scans for the differentiation between Tis-T2 and T3-T4 colorectal carcinoma was 100/75 % (p < 0.05) for both observers; on CE-T1WI, it was 88.0/50 % (p = 0.13) for one and 96.0/50 % (p = 0.11) for the other. The sensitivity/specificity for recognizing the reticulated linear architecture to distinguish T3 from T4 colon carcinoma was 83.3/84.6 % (p < 0.05) for one reader and 100/92.3 % (p < 0.05) for the other reader.
conclusionDisruption of the outer low-intensity layer on T2WI scans was the most important finding for the diagnosis of T3-T4 colorectal carcinoma. The reticulated linear architecture of the fat tissue was suggestive of T4 colon carcinoma.
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