AIM:To investigate the clinical features,diagnosis,treatment and prognosis of intestinal T-cell lymphomas(ITCL)by retrospective analysis.METHODS:Sixty-eight patients who were diagnosed with ITCL in case reports in the...AIM:To investigate the clinical features,diagnosis,treatment and prognosis of intestinal T-cell lymphomas(ITCL)by retrospective analysis.METHODS:Sixty-eight patients who were diagnosed with ITCL in case reports in the Chinese literature were compiled and reviewed.Age,gender,CD56 expression,surgical management,multifocal nature,perforation and cyclophosphamide chemotherapy were analyzed as the prognostic factors.The Kaplan-Meier method was adopted for the univariate analysis and the cumulative survival curve analysis.RESULTS:The male-to-female ratio was 1.52 to 1.The median age was 41.7 years.Twenty-seven patients had symptoms of abdominal pain or diarrhea.Thirty-six of60 patients with temperature records had high fevers at the onset of the illness.Twenty-six of 34 patients who underwent fiberoptic colonoscopy were misdiagnosed with Crohn’s disease,intestinal tuberculosis or cancer.Sixty-one patients underwent surgery.Twelve of 61 surgical patients required a second operation for anastomotic leakage or secondary perforation.The sites of lesion involvement were the jejunum(8.82%),ileum(29.41%),ileum and colon(4.41%),colon(55.88%)and appendix(1.47%).The median cumulative survival rate was 3 mo(3.00±0.48).CONCLUSION:Efforts should be made to correctly diagnose ITCL and select the proper operative approach that may reduce serious complications and create opportunities for further treatment.展开更多
Sn3O4, a common two-dimensional semiconductor photocatalyst, can absorb visible light.However, owing to its rapid recombination of photogenerated electron-hole pairs, its absorption is not sufficient for practical app...Sn3O4, a common two-dimensional semiconductor photocatalyst, can absorb visible light.However, owing to its rapid recombination of photogenerated electron-hole pairs, its absorption is not sufficient for practical application.In this work, a Sn nanoparticle/Sn3O4-x nanosheet heterostructure was prepared by in situ reduction of Sn3O4 under a H2 atmosphere.The Schottky junctions formed between Sn and Sn3O4-x can enhance the photogenerated carrier separation ability.During the hydrogenation process, a portion of the oxygen in the semiconductor can be extracted by hydrogen to form water, resulting in an increase in oxygen vacancies in the semiconductor.The heterostructure showed the ability to remove Rhodamine B.Cell cytocompatibility experiments proved that Sn/Sn3O4-x can significantly enhance cell compatibility and reduce harm to organisms.This work provides a new method for the fabrication of a Schottky junction composite photocatalyst rich in oxygen vacancies with enhanced photocatalytic performance.展开更多
文摘AIM:To investigate the clinical features,diagnosis,treatment and prognosis of intestinal T-cell lymphomas(ITCL)by retrospective analysis.METHODS:Sixty-eight patients who were diagnosed with ITCL in case reports in the Chinese literature were compiled and reviewed.Age,gender,CD56 expression,surgical management,multifocal nature,perforation and cyclophosphamide chemotherapy were analyzed as the prognostic factors.The Kaplan-Meier method was adopted for the univariate analysis and the cumulative survival curve analysis.RESULTS:The male-to-female ratio was 1.52 to 1.The median age was 41.7 years.Twenty-seven patients had symptoms of abdominal pain or diarrhea.Thirty-six of60 patients with temperature records had high fevers at the onset of the illness.Twenty-six of 34 patients who underwent fiberoptic colonoscopy were misdiagnosed with Crohn’s disease,intestinal tuberculosis or cancer.Sixty-one patients underwent surgery.Twelve of 61 surgical patients required a second operation for anastomotic leakage or secondary perforation.The sites of lesion involvement were the jejunum(8.82%),ileum(29.41%),ileum and colon(4.41%),colon(55.88%)and appendix(1.47%).The median cumulative survival rate was 3 mo(3.00±0.48).CONCLUSION:Efforts should be made to correctly diagnose ITCL and select the proper operative approach that may reduce serious complications and create opportunities for further treatment.
基金financially supported by the National Natural Science Foundation of China (Nos.51802115 and 51732007)the Natural Science Foundation of Shandong Province, China (No.ZR2019YQ21)。
文摘Sn3O4, a common two-dimensional semiconductor photocatalyst, can absorb visible light.However, owing to its rapid recombination of photogenerated electron-hole pairs, its absorption is not sufficient for practical application.In this work, a Sn nanoparticle/Sn3O4-x nanosheet heterostructure was prepared by in situ reduction of Sn3O4 under a H2 atmosphere.The Schottky junctions formed between Sn and Sn3O4-x can enhance the photogenerated carrier separation ability.During the hydrogenation process, a portion of the oxygen in the semiconductor can be extracted by hydrogen to form water, resulting in an increase in oxygen vacancies in the semiconductor.The heterostructure showed the ability to remove Rhodamine B.Cell cytocompatibility experiments proved that Sn/Sn3O4-x can significantly enhance cell compatibility and reduce harm to organisms.This work provides a new method for the fabrication of a Schottky junction composite photocatalyst rich in oxygen vacancies with enhanced photocatalytic performance.
