{"title":"Diagnosis and Management of Anal Stenosis.","authors":"Charmee H Mehta, Michael D Honaker","doi":"10.1097/DCR.0000000000003555","DOIUrl":"10.1097/DCR.0000000000003555","url":null,"abstract":"","PeriodicalId":11299,"journal":{"name":"Diseases of the Colon & Rectum","volume":" ","pages":"9-12"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142460450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Reply.","authors":"Dilip Umakant Pathak","doi":"10.1097/DCR.0000000000003568","DOIUrl":"10.1097/DCR.0000000000003568","url":null,"abstract":"","PeriodicalId":11299,"journal":{"name":"Diseases of the Colon & Rectum","volume":" ","pages":"e9"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142496999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Robot-Assisted Surgery for Colorectal Cancer in Adults Aged 75 Years or Older: Value for Money?","authors":"Yingnan Hu, Wei Zhang","doi":"10.1097/DCR.0000000000003571","DOIUrl":"10.1097/DCR.0000000000003571","url":null,"abstract":"","PeriodicalId":11299,"journal":{"name":"Diseases of the Colon & Rectum","volume":" ","pages":"e8"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142497004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Clinicopathological Characteristics and Outcomes of Colorectal Cancer With Heterogenous Staining of Mismatch Repair Protein.","authors":"Xian Zhang, Yu-Jue Wang, Lin-Yong Sun, Yin-Xia Tu, Yue Li, Dan Jiang","doi":"10.1097/DCR.0000000000003527","DOIUrl":"10.1097/DCR.0000000000003527","url":null,"abstract":"<p><strong>Background: </strong>Scant data are available on heterogenous staining of mismatch repair protein in colorectal cancer.</p><p><strong>Objective: </strong>This study aimed to improve insights into clinicopathologic features and prognosis of colorectal cancer harboring heterogenous mismatch repair protein staining.</p><p><strong>Design: </strong>A single-center retrospective observational study.</p><p><strong>Setting: </strong>This study was conducted in a tertiary referral center in China between 2014 and 2018.</p><p><strong>Patients: </strong>Patients with colorectal cancers with heterogenous staining of mismatch repair protein were included.</p><p><strong>Main outcome measures: </strong>Clinicopathologic and molecular features and survival outcomes were analyzed.</p><p><strong>Results: </strong>A total of 151 of 6721 colorectal cancers (2.2%) exhibited heterogenous staining for at least 1 mismatch repair protein, with intraglandular heterogeneity being the most common pattern (89.4%). Heterogenous mutL homolog 1 staining was significantly associated with distant metastasis ( p = 0.03), whereas heterogenous mutS homolog 2 staining was associated with left-sided ( p = 0.03) and earlier pT stage tumors ( p = 0.02). The rates of microsatellite instability-high, K -ras and BRAF mutation were 12.6%, 47.3%, and 3.4%, respectively. Microsatellite instability-high was significantly associated with higher intraglandular mutS homolog 6 heterogeneity frequency ( p < 0.001) and decreased mutS homolog 6 expression level (<27.5%, p = 0.01). BRAF mutation was associated with the coexistence of intraglandular and clonal heterogeneity ( p = 0.003) and decreased PMS1 homolog 2 expression level ( p = 0.01). Multivariable analysis revealed that progression-free survival was significantly associated with tumor stage ( p = 0.003), stroma fraction ( p = 0.004), and heterogenous PMS1 homolog 2 staining ( p = 0.02). Overall survival was linked to tumor stage ( p = 0.006) and BRAF mutation ( p = 0.01).</p><p><strong>Limitations: </strong>The limitations of this study include the absence of testing for mutL homolog 1 promoter methylation and mismatch repair gene mutations, its retrospective design, and insufficient data related to direct comparison with deficient mismatch repair and proficient mismatch repair colorectal cancer.</p><p><strong>Conclusions: </strong>Heterogenous mismatch repair protein staining in colorectal cancer exhibits distinct associations with tumor location, stage, microsatellite instability, BRAF mutation, and prognosis. It is recommended to report mutS homolog 6 heterogeneity as it may indicate microsatellite instability-high. See Video Abstract .</p><p><strong>Resultados y caractersticas clnicopatolgicas en la tincin heterognea de protenas reparadoras de error de emparejamiento en casos de cncer colorrectal: </strong>ANTECEDENTES:Son pocos los datos disponibles sobre la tinción heterogénea de la proteína reparadora de errores de empareja","PeriodicalId":11299,"journal":{"name":"Diseases of the Colon & Rectum","volume":" ","pages":"48-59"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142343664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yvonne Ying-Ru Ng, Ameera J M S AlHasan, Paris Tekkis
{"title":"Handsewn Coloanal Anastomosis.","authors":"Yvonne Ying-Ru Ng, Ameera J M S AlHasan, Paris Tekkis","doi":"10.1097/DCR.0000000000003519","DOIUrl":"10.1097/DCR.0000000000003519","url":null,"abstract":"","PeriodicalId":11299,"journal":{"name":"Diseases of the Colon & Rectum","volume":" ","pages":"e3-e4"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142460451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Shaping Graduate Medical Education: Status of the Colon and Rectal Surgery Training Program Requirements.","authors":"Glenn T Ault","doi":"10.1097/DCR.0000000000003429","DOIUrl":"10.1097/DCR.0000000000003429","url":null,"abstract":"","PeriodicalId":11299,"journal":{"name":"Diseases of the Colon & Rectum","volume":" ","pages":"1-4"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142460466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Expert Commentary on Diagnosis and Management of Anal Stenosis.","authors":"Ugo Grossi","doi":"10.1097/DCR.0000000000003556","DOIUrl":"https://doi.org/10.1097/DCR.0000000000003556","url":null,"abstract":"","PeriodicalId":11299,"journal":{"name":"Diseases of the Colon & Rectum","volume":"68 1","pages":"12-13"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142827846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Loop Ileostomy Reversal.","authors":"Inthat Boonpongmanee, Luay D Ailabouni","doi":"10.1097/DCR.0000000000003441","DOIUrl":"10.1097/DCR.0000000000003441","url":null,"abstract":"","PeriodicalId":11299,"journal":{"name":"Diseases of the Colon & Rectum","volume":" ","pages":"e1-e2"},"PeriodicalIF":3.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142460454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tao Pan, Xian-Wen Liang, Jing Wen, Hui Yang, Yang-Chun Zheng, Jin Yan, Chao Liu, Hai Hu
{"title":"The Value of Infrapyloric Lymph Nodes Dissection in Right Hemicolectomy for Hepatic Flexure Colon Cancer: A Multicenter Analysis Based on Propensity Score Matching.","authors":"Tao Pan, Xian-Wen Liang, Jing Wen, Hui Yang, Yang-Chun Zheng, Jin Yan, Chao Liu, Hai Hu","doi":"10.1097/DCR.0000000000003356","DOIUrl":"https://doi.org/10.1097/DCR.0000000000003356","url":null,"abstract":"<p><strong>Background: </strong>There is dispute regarding the necessity of infrapyloric lymph nodes dissection in right hemicolectomy for hepatic flexure colon cancer.</p><p><strong>Objective: </strong>To evaluate the risk factors for infrapyloric lymph nodes metastasis and prognostic role of infrapyloric lymph nodes dissection in patients with hepatic flexure colon cancer and identify the population who would benefit from infrapyloric lymph nodes dissection.</p><p><strong>Design: </strong>Retrospective multi-center propensity score matching study to minimize heterogenity between 2 groups.</p><p><strong>Settings: </strong>This study was conducted at three medical centers.</p><p><strong>Patients: </strong>A total of 531 patients who underwent curative resection for hepatic flexure colon cancer were included.</p><p><strong>Main outcome and measure: </strong>Logistic analysis was used to evaluate risk factors for infrapyloric lymph nodes metastasis and Kaplan-Meier analysis was used to evaluate overall survival.</p><p><strong>Results: </strong>The metastasis rate of infrapyloric lymph nodes among patients undergoing infrapyloric lymph nodes dissection was 11.8% (26/221). Cox multivariate analysis confirmed that infrapyloric lymph nodes dissection was an independent prognostic factor after propensity score matching (hazard ratio 0.60, 95% CI, 0.38 to 0.84; p = 0.007). A proposed flow chart for infrapyloric lymph nodes dissection based on preoperative factors was created. Based on the proposed flow chart, patients with preoperative serum CEA level ≤5.0 ng/ml, cN+, and tumor size ≥5 cm, and patients with preoperative serum CEA level >5.0 ng/ml were defined as high-priority infrapyloric lymph nodes dissection group. The metastasis rate of infrapyloric lymph nodes in the high-priority group was 16.0% (20/125). In the high-priority group, patients undergoing infrapyloric lymph nodes dissection had better survival outcomes than those not undergoing infrapyloric lymph nodes dissection (p = 0.005).</p><p><strong>Limitations: </strong>This study is limited by its retrospective nature.</p><p><strong>Conclusions: </strong>This study suggests that infrapyloric lymph nodes dissection should be performed in specific patients with hepatic flexure colon cancer. See Video Abstract.</p>","PeriodicalId":11299,"journal":{"name":"Diseases of the Colon & Rectum","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142853520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Expert commentary on Sexual Function Following Radiation for Rectal Cancer.","authors":"Larissa K F Temple","doi":"10.1097/DCR.0000000000003622","DOIUrl":"https://doi.org/10.1097/DCR.0000000000003622","url":null,"abstract":"","PeriodicalId":11299,"journal":{"name":"Diseases of the Colon & Rectum","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142812516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}