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Background: Colorectal polyps are the most common cause of isolated hematochezia in children, which requires a colonoscopy for diagnosis. We aimed to investigate the potential utility of fecal calprotectin (FC) in assessing colorectal polyps detected by colonoscopy among children presenting with isolated hematochezia.
Methods: Pediatric patients of the age of < 18 years who had undergone both colonoscopy and FC tests for isolated hematochezia from June 2016 to May 2020 were included in the present multicenter, retrospective, cross-sectional study. Comparative analysis was conducted between major causes of isolated hematochezia and FC cut-offs for discriminating colorectal polyps were explored.
Results: A total 127 patients were included. Thirty-five patients (27.6%) had colorectal polyps, followed by anal fissure (14.2%), ulcerative colitis (UC; 12.6%), and others. A significant difference in FC levels was observed between patients with colorectal polyps (median, 278.7 mg/kg), anal fissures (median, 42.2 mg/kg), and UC (median, 981 mg/kg) ( < 0.001). According to receiver operating characteristic curve analysis, among patients diagnosed with colorectal polyp or anal fissure, the most accurate FC cut-off for discriminating colorectal polyps from anal fissures on colonoscopy was 225 mg/kg (sensitivity, 59.4%; specificity, 94.4%; positive predictive value [PPV], 95.0%; negative predictive value [NPV], 56.7%; area under the curve [AUC], 0.8; 95% confidence interval [CI], 0.678-0.923; < 0.001), while among patients diagnosed with colorectal polyp or UC, the most accurate FC cut-off for discriminating colorectal polyps from UC on colonoscopy was 879 mg/kg (sensitivity, 81.2%; specificity, 56.2%; PPV, 78.8%; NPV, 60.0%; AUC, 0.687; 95% CI, 0.521-0.852; < 0.001).
Conclusion: FC may assist in assessing the cause of lower gastrointestinal tract bleeding in children who present with isolated hematochezia.
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http://dx.doi.org/10.3346/jkms.2022.37.e72 | DOI Listing |
Khirurgiia (Mosk)
September 2025
National Medical Research Center of Oncology, Rostov-on-Don, Russia.
Objective: To study the results of treatment of cancer in tubular villous adenomas.
Material And Methods: A retrospective analysis included 51 patients with cTis-T1N0M0 between 02.2019 and 09.
Medicine (Baltimore)
September 2025
Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China.
To observe the specific changes of auricular points in patients with colorectal polyps (CPs) by auricular assessment. To summarize the clusters of auricular point-specific changes in patients with CPs, and to inform further research into auricular point assisted diagnosis of CPs. A total of 300 participants, with 150 having CPs and 150 having no CPs, were recruited for this case-control study.
View Article and Find Full Text PDFSurg Endosc
September 2025
Department of Digestive Medicine Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518107, People's Republic of China.
Background: Laparoscopic segmental resection (LSR) is a common treatment modality for endoscopically unresectable colorectal polyps. Laparoscopic endoscopic cooperative surgery (LECS) has emerged as a promising alternative, yet current evidence of its efficacy remains limited.
Objectives: This meta-analysis aims to compare the therapeutic outcomes of LECS versus LSR for endoscopically unresectable colorectal polyps and to provide robust evidence for clinical practice.
Gastro Hep Adv
July 2025
Vatche and Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine at UCLA, Los Angeles, California.
Background And Aims: Colonoscopy is the gold standard screening modality for colorectal cancer; however, it is operator-dependent and reliant on exam quality. Incorporating artificial intelligence (AI) into colonoscopy may improve adenoma detection and clinical outcomes, but this is a sociotechnical challenge that requires effective human-AI teaming incorporating provider attitudes.
Methods: We conducted a systematic review of studies evaluating attitudes and perspectives of providers toward AI-assisted colonoscopy.
Lancet Gastroenterol Hepatol
October 2025
Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy; Endoscopy Unit, IRCCS Humanitas Research Hospital, Rozzano, Italy.
Background: Guidelines recommend leaving in situ rectosigmoid polyps diagnosed during colonoscopy that are 5 mm or smaller if the endoscopist optically predicts them to be non-neoplastic. However, no randomised controlled trial has been done to examine the efficacy and safety of this strategy.
Methods: This open-label, multicentre, non-inferiority, randomised controlled trial enrolled adults age 18 years or older undergoing colonoscopy for screening, surveillance, or clinical indications across four Italian centres.