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Chinese Journal of Gastroenterology ; (12): 200-207, 2023.
Article in Chinese | WPRIM | ID: wpr-1016028


Background: Glycolytic function is obviously related to the proliferation, metastasis and drug resistance of colorectal cancer, and there is still a lacking of corresponding indicators for quantitatively evaluating the level of glycolysis. Aims: To investigate the correlation between

Chinese Journal of Gastroenterology ; (12): 65-69, 2022.
Article in Chinese | WPRIM | ID: wpr-1016128


Immune-mediated enteropathy (IME) is a rare gastrointestinal disease characterized by malabsorption syndrome caused by immune overreaction. The lack of specificity of clinical manifestations brings difficulties to clinical diagnosis and treatment. This article reviewed several commonly seen IMEs from the aspects of disease introduction, pathogenesis, clinical manifestations, diagnosis, and treatment, so as to improve the clinicians’understanding of the disease.

Chinese Journal of Gastroenterology ; (12): 163-167, 2022.
Article in Chinese | WPRIM | ID: wpr-1016121


Colonoscopy with polypectomy significantly reduces the incidence of colorectal cancer and cancer - related mortality. However, a pooled miss rate of 22% for polyps was documented. Aims: To explore the clinical application value of an artificial intelligence (AI)-based colorectal polyp diagnostic system for polyp detection. Methods: A total of 400 patients who underwent colonoscopy in the First Affiliated Hospital of Soochow University from September to November 2021 were selected according to the inclusion and exclusion criteria and were randomly divided into two groups: one group received routine colonoscopy, and the other group received AI system assisted colonoscopy. There were 200 cases in each group. The Boston Bowel Preparation Scale (BBPS) was used to evaluate bowel preparation quality. The primary outcome was polyp detection rate (PDR), and the secondary outcome was polyps per colonoscopy (PPC). Results: AI system significantly increased PDR and PPC (37.0% vs. 23.0%, 0.775 vs. 0.495, all P0.05). The bowel preparation quality was classified as“poor”(BBPS 0-5 points),“qualified”(BBPS 6-7 points) and“excellent”(BBPS 8-9 points). There were no significant differences in polyp detection between the two groups when the bowel preparation quality was“poor”or “excellent”(all P>0.05). PDR and PPC were significantly increased in AI group when the bowel preparation quality was “qualified”(33.0% vs. 20.0%, 0.670 vs. 0.450, all P<0.05). Conclusions: AI-based colorectal polyp diagnostic system can significantly improve PDR and PPC because of the significant increase in the number of diminutive and small polyps detected. In addition, when the bowel preparation is qualified, the AI system can play better for polyp detection.

Chinese Journal of Gastroenterology ; (12): 577-580, 2020.
Article in Chinese | WPRIM | ID: wpr-1016304


Mast cell activation syndrome (MCAS) is a chronic multisystem disorder caused by inappropriate activation of mast cells. The gastrointestinal tract harbors a large population of mast cells and is easily to be involved by MCAS. Being an under-recognized disease, and because gastrointestinal symptoms are frequently reported, MCAS is often misdiagnosed as functional gastrointestinal disorders(FGIDs). Definite diagnosis should be based on the clinical manifestations, detection of mast cell mediators and pathological examination; and above all, other organic diseases should be excluded. Routine symptomatic treatment is often ineffective in relieving gastrointestinal symptoms. In addition to avoiding triggers, the best treatment modalities are mast cell mediator antagonists and regulation of the activation process of mast cells. In this article, the function of mast cells, and the clinical manifestations, diagnosis, differential diagnosis and treatment of MCAS were briefly introduced.

Chinese Journal of Gastroenterology ; (12): 513-516, 2019.
Article in Chinese | WPRIM | ID: wpr-861773


Primary immunodeficiency disorders (PIDDs) contain more than 300 inborn errors of immunity, among which common variable immunodeficiency (CVID) and chronic granulomatous disease (CGD) are relatively common in clinical practice. CVID is characterized by loss of B cell function and impaired antibody production, while CGD is mainly a congenital disorder with defective neutrophil function. In both diseases, the clinical features include an increased susceptibility to infections and may have symptoms resembling non-infectious inflammatory disorders such as inflammatory bowel disease (IBD). The endoscopic and pathologic findings are non-specific and often mimic IBD, gene analysis is important for differential diagnosis. Treatment is not well defined and is mainly empirical. Infections should be treated with broad-spectrum agents covering both bacterial and fungal pathogens. Corticosteroids or immunosuppressors can be used for PIDDs patients with IBD manifestations.