ArticleAnnals of surgical treatment and research2020
Characteristics of minute T1 colorectal cancer in relevance to pathology and treatment.
Article in Annals of surgical treatment and research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Pathological risk stratification after endoscopic resection of T1 colorectal cancer: a comparative analysis of international guidelines.Journal of minimally invasive surgery · 2026Article
- Article
- Clinicopathological features of small T1 colorectal cancers.World journal of clinical cases · 2021Article
- Case of Colorectal Cancer After Cold Snare Polypectomy Successfully Salvaged on Endoscopic Submucosal Dissection.Cureus · 2020Article
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Authors and funding
12 authors.
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Abstract
purposeMinute T1 colorectal cancer (CRC) lesions (≤5 mm) are rare; however, little is known about their characteristics and aggressiveness. In this study, we evaluated the characteristics of minute T1 CRC in relevance to pathology and treatment.
methodsThis retrospective study included 849 patients with T1 CRC endoscopically or surgically treated between January 2001 and December 2016. The patients were stratified into 4 groups according to tumor size; minute group (≤5 mm), small group (6-10 mm), medium group (11-20 mm), and large group (≥21 mm). Clinicopathological variables were evaluated with respect to tumor size.
resultsThe incidence of the minute T1 CRC was 2.4% (20 of 849). Minute T1 CRC was significantly associated with flat type (minute, 25%; small, 12.6%; medium, 8.8%; large, 12.6%; P = 0.016), right-sided cancer (30%, 15.4%, 15.4%, 15.1%, P = 0.002) and the absence of background adenoma (BGA) (50%, 40.7%, 32.8%, 18.1%, P < 0.001). In patients who underwent surgery, lymph node metastasis (LNM) was significantly higher in the minute group (36.4%, 15.9%, 15.7%, 9.2%, P = 0.029).
conclusionMinute T1 CRC is significantly associated with flat type, right-sided cancers, as well as with the absence of BGA and LNM. These results suggested the minute T1 CRC lesions are often aggressive and are likely to be missed during colonoscopy.
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