Post-colonoscopic colorectal cancer(PCCRC),also known as interval CRC,is defined as CRC diagnosed more than six months after a colonoscopy in which no cancer was detected.It typically arises from missed lesions or inc...Post-colonoscopic colorectal cancer(PCCRC),also known as interval CRC,is defined as CRC diagnosed more than six months after a colonoscopy in which no cancer was detected.It typically arises from missed lesions or incomplete resections and is now recognized as one of the most reliable quality indicators for assessing colonoscopy performance.With an incidence rate of 3.6%to 9.3%,PCCRC remains a significant concern,highlighting the limitations of colonoscopy in CRC screening—not only in terms of diagnostic accuracy but also in its preventive role and effectiveness in treating lesions.A range of clinical,endoscopic,and biological factors has been associated with an increased risk of PCCRC.Identifying these factors can help stratify high-risk patients,enabling earlier detection and improving preventive strategies for interval CRC.Reducing PCCRC should be a top priority for every endoscopy unit.While technological advancements will enhance polyp detection,minimize missed lesions,prevent incomplete resections,and improve overall procedural quality,the most impactful strategy remains internal self-assessment within each unit.This review should evaluate key performance metrics,including cecal intubation rate,adenoma detection rate,withdrawal time,PCCRC incidence,and incomplete resections—both at the individual endoscopist level and across the entire unit.展开更多
Complications due to diagnostic colonoscopy are uncommon and acute appendicitis is a very rare complication of colonoscopy.This poses a diagnostic challenge as the presentation of appendicitis is similar to that of ot...Complications due to diagnostic colonoscopy are uncommon and acute appendicitis is a very rare complication of colonoscopy.This poses a diagnostic challenge as the presentation of appendicitis is similar to that of other complications of colonoscopy such as perforation or postpolypectomy syndrome.It is hypothesized that postcolonoscopy appendicitis might be associated with obstruction of the appendiceal lumen with fecal matter during colonoscopy.None of the previous reports in the literature have described findings of appendicitis after colonoscopy in a patient with active ulcerative colitis.We present a case of a 28 yearold man with active ulcerative colitis who underwent colonoscopy and subsequently developed acute appendicitis.展开更多
文摘Post-colonoscopic colorectal cancer(PCCRC),also known as interval CRC,is defined as CRC diagnosed more than six months after a colonoscopy in which no cancer was detected.It typically arises from missed lesions or incomplete resections and is now recognized as one of the most reliable quality indicators for assessing colonoscopy performance.With an incidence rate of 3.6%to 9.3%,PCCRC remains a significant concern,highlighting the limitations of colonoscopy in CRC screening—not only in terms of diagnostic accuracy but also in its preventive role and effectiveness in treating lesions.A range of clinical,endoscopic,and biological factors has been associated with an increased risk of PCCRC.Identifying these factors can help stratify high-risk patients,enabling earlier detection and improving preventive strategies for interval CRC.Reducing PCCRC should be a top priority for every endoscopy unit.While technological advancements will enhance polyp detection,minimize missed lesions,prevent incomplete resections,and improve overall procedural quality,the most impactful strategy remains internal self-assessment within each unit.This review should evaluate key performance metrics,including cecal intubation rate,adenoma detection rate,withdrawal time,PCCRC incidence,and incomplete resections—both at the individual endoscopist level and across the entire unit.
基金Supported by the Office of Medical Research,Department of Veteran’s Affairs(Dallas,TX)and the Harris Methodist HealthFoundation,Dr.Clark R Gregg Fund
文摘Complications due to diagnostic colonoscopy are uncommon and acute appendicitis is a very rare complication of colonoscopy.This poses a diagnostic challenge as the presentation of appendicitis is similar to that of other complications of colonoscopy such as perforation or postpolypectomy syndrome.It is hypothesized that postcolonoscopy appendicitis might be associated with obstruction of the appendiceal lumen with fecal matter during colonoscopy.None of the previous reports in the literature have described findings of appendicitis after colonoscopy in a patient with active ulcerative colitis.We present a case of a 28 yearold man with active ulcerative colitis who underwent colonoscopy and subsequently developed acute appendicitis.
