Lymphangioma of the colon is a relatively rare nonepithelial tumor and usually presents as a submucosal polypoid lesion.Many cases incidentally discovered are usually asymptomatic.However,they may present as abdominal...Lymphangioma of the colon is a relatively rare nonepithelial tumor and usually presents as a submucosal polypoid lesion.Many cases incidentally discovered are usually asymptomatic.However,they may present as abdominal pain or bleeding,and their resection is normally required.Lymphangioma itself is generally recognized as a benign tumor and no cases of malignant transformation have yet been reported,although its natural history is currently unknown.To the best of our knowledge,this study is the first to describe a case of spontaneous resolution in multiple colonic lymphangiomas without any specific treatment.展开更多
BACKGROUND Ulcerative colitis(UC)is an uncommon inflammatory bowel disease(IBD).However,its incidence has recently increased in South Korea.Moreover,UC diagnoses are frequently delayed,and the relationship between dia...BACKGROUND Ulcerative colitis(UC)is an uncommon inflammatory bowel disease(IBD).However,its incidence has recently increased in South Korea.Moreover,UC diagnoses are frequently delayed,and the relationship between diagnostic delay and UC prognosis has not been extensively studied in South Korean patients.AIM To identify meaningful diagnostic delay affecting UC prognosis and to evaluate risk factors associated with diagnostic delay in South Korean patients.METHODS Medical records of 718 patients with UC who visited the outpatient clinic of six university hospitals in South Korea were reviewed;167 cases were excluded because the first symptom date was unknown.We evaluated the relationship between the prognosis and a diagnostic delay of 3,6,12,18,and 24 mo by comparing the prognostic factors[anti-tumor necrosis factor(TNF)-αuse,admission history due to acute flare-ups,frequent admission due to flare-ups,surgery associated with UC,and the clinical remission state at the latest followup]at each diagnostic interval.RESULTS The mean diagnostic interval was 223.3±483.2 d(median,69 d;75th percentile,195 d).Among the prognostic factors,anti-TNFαuse was significantly increased after a diagnostic delay of 24 mo.Clinical risk factors predictive of a 24-mo diagnostic delay were age<60 years at diagnosis[odd ratio(OR)=14.778,95%confidence interval(CI):1.731-126.121],smoking history(OR=2.688,95%CI:1.239-5.747,P=0.012),and misdiagnosis of hemorrhoids(OR=11.066,95%CI:3.596-34.053).Anti-TNFαuse was associated with extensive UC at diagnosis(OR=3.768,95%CI:1.860-7.632)and 24-mo diagnostic delay(OR=2.599,95%CI:1.006-4.916).CONCLUSION A diagnostic delay>24 mo was associated with increased anti-TNFαuse.Age<60 years at diagnosis,smoking history,and misdiagnosis of hemorrhoids were risk factors for delayed diagnosis.展开更多
文摘Lymphangioma of the colon is a relatively rare nonepithelial tumor and usually presents as a submucosal polypoid lesion.Many cases incidentally discovered are usually asymptomatic.However,they may present as abdominal pain or bleeding,and their resection is normally required.Lymphangioma itself is generally recognized as a benign tumor and no cases of malignant transformation have yet been reported,although its natural history is currently unknown.To the best of our knowledge,this study is the first to describe a case of spontaneous resolution in multiple colonic lymphangiomas without any specific treatment.
文摘BACKGROUND Ulcerative colitis(UC)is an uncommon inflammatory bowel disease(IBD).However,its incidence has recently increased in South Korea.Moreover,UC diagnoses are frequently delayed,and the relationship between diagnostic delay and UC prognosis has not been extensively studied in South Korean patients.AIM To identify meaningful diagnostic delay affecting UC prognosis and to evaluate risk factors associated with diagnostic delay in South Korean patients.METHODS Medical records of 718 patients with UC who visited the outpatient clinic of six university hospitals in South Korea were reviewed;167 cases were excluded because the first symptom date was unknown.We evaluated the relationship between the prognosis and a diagnostic delay of 3,6,12,18,and 24 mo by comparing the prognostic factors[anti-tumor necrosis factor(TNF)-αuse,admission history due to acute flare-ups,frequent admission due to flare-ups,surgery associated with UC,and the clinical remission state at the latest followup]at each diagnostic interval.RESULTS The mean diagnostic interval was 223.3±483.2 d(median,69 d;75th percentile,195 d).Among the prognostic factors,anti-TNFαuse was significantly increased after a diagnostic delay of 24 mo.Clinical risk factors predictive of a 24-mo diagnostic delay were age<60 years at diagnosis[odd ratio(OR)=14.778,95%confidence interval(CI):1.731-126.121],smoking history(OR=2.688,95%CI:1.239-5.747,P=0.012),and misdiagnosis of hemorrhoids(OR=11.066,95%CI:3.596-34.053).Anti-TNFαuse was associated with extensive UC at diagnosis(OR=3.768,95%CI:1.860-7.632)and 24-mo diagnostic delay(OR=2.599,95%CI:1.006-4.916).CONCLUSION A diagnostic delay>24 mo was associated with increased anti-TNFαuse.Age<60 years at diagnosis,smoking history,and misdiagnosis of hemorrhoids were risk factors for delayed diagnosis.
