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- Fischer, Hans, et al.
(författare)
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Altered microbiota in microscopic colitis
- 2015
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Ingår i: Gut. - : BMJ. - 1468-3288 .- 0017-5749. ; 64:7, s. 1185-1186
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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- Nemeth, Artur, et al.
(författare)
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Use of patency capsule in patients with established Crohn's disease.
- 2015
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Ingår i: Endoscopy. - : Georg Thieme Verlag KG. - 1438-8812 .- 0013-726X.
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Tidskriftsartikel (refereegranskat)abstract
- Background and study aims: Video capsule endoscopy (VCE) is invaluable in the diagnosis of small-bowel pathology. Capsule retention is a major concern in patients with Crohn's disease. The patency capsule was designed to evaluate small-bowel patency before VCE. However, the actual benefit of the patency capsule test in Crohn's disease remains unclear. The aim of this study was to evaluate the clinical impact of patency capsule use on the risk of video capsule retention in patients with established Crohn's disease. Patients and methods: This was a retrospective, multicenter study of patients with established Crohn's disease who underwent VCE for clinical need. The utilization strategy for the patency capsule was classified as selective (only in patients with obstructive symptoms, history of intestinal obstruction or surgery, or per treating physician's request) or nonselective (all patients with Crohn's disease). The main outcome was video capsule retention in the entire cohort and within each utilization strategy. Results: A total of 406 patients who were referred for VCE were included in the study. VCE was performed in 132 /406 patients (32.5 %) without a prior patency capsule test. The patency capsule test was performed in 274 /406 patients (67.5 %) and was negative in 193 patients. Overall, VCE was performed in 343 patients and was retained in the small bowel in 8 (2.3 %). In this cohort, the risk of video capsule retention in the small bowel was 1.5 % without use of a prior patency capsule and 2.1 % after a negative patency test (P = 0.9). A total of 18 patients underwent VCE after a positive patency capsule test, with a retention rate of 11.1 % (P = 0.01). Patency capsule administration strategy (selective vs. nonselective) was not associated with the risk of video capsule retention. Conclusions: Capsule retention is a rare event in patients with established Crohn's disease undergoing VCE. The risk of video capsule retention was not reduced by the nonselective use of the patency capsule. Furthermore, VCE after a positive patency capsule test in patients with Crohn's disease was associated with a high risk of video capsule retention.
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- Olafsdottir, Ingunn, et al.
(författare)
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Value of Fecal Calprotectin as a Biomarker for Juvenile Polyps in Children Investigated with Colonoscopy.
- 2015
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Ingår i: Journal of Pediatric Gastroenterology and Nutrition - Jpgn. - 1536-4801.
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Tidskriftsartikel (refereegranskat)abstract
- The clinical presentation of colonic juvenile polyps with abdominal discomfort and occult rectal bleedings make them difficult to recognize. The aim was to report the clinical features of colonic juvenile polyps in children referred to colonoscopy and evaluate fecal calprotectin (FCP) as a screening biomarker for their diagnosis.
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- Thorlacius, Henrik, et al.
(författare)
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Sågtandande polyper en dold men vanlig orsak till kolorektal cancer : Serrated polyps is a hidden but common cause of colorectal cancer
- 2015
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Ingår i: Läkartidningen. - 0023-7205. ; 112:34-35, s. 1401-1405
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Konceptet att sågtandande polyper kan leda till kolorektal cancer är relativt nytt. Sågtandade polyper orsakar upp till en tredjedel av all sporadisk kolorektal cancer. Trots detta är kunskaperna om sågtandade polypers etiologi, incidens, prevalens och naturalförlopp ofullständiga. Sågtandade polyper är svåra att identifiera och ta bort endoskopiskt. Endoskopister och patologer måste ha kunskaper om sågtandade adenom för att effektivt kunna detektera, diagnostisera och ta bort dem som led i att minska antalet personer som drabbas av kolorektal cancer. The concept that serrated polyps can cause colorectal cancer is relatively new and not very well-known. Serrated polyps are difficult to identify and treat endoscopically. This together with the fact that premalignant serrated polyps are mainly located in the proximal colon might help explain why colonoscopy is less effective against right-sided compared to left-sided colorectal cancers and why interval cancers usually appear in the proximal colon. In fact, serrated polyps may cause up to one third of all sporadic colorectal cancers. In spite of this, the aetiology, incidence, prevalence and natural history of serrated polyps remains elusive. Endoscopists and pathologists must have a good understanding of serrated polyps in order to effectively diagnose, treat and follow up these lesions. This review focuses on the pathophysiology, types, work-up, treatment and follow-up of serrated polyps in the colon and rectum.
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