SynthesisObesity surgery2025
Histopathological Examination of 404 Sleeve Gastrectomy Specimens at a Large UK Center and Systematic Review of the Published Literature.
Synthesis in Obesity surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLaparoscopic sleeve gastrectomy (LSG) specimens are histologically analyzed to identify incidental pathologies. However, no guidelines recommend routine histology. This study evaluates the clinical utility of LSG sample analysis and if incidental diagnoses have a significant clinical impact.
methodsA single high-volume UK bariatric unit retrospectively gathered LSG data covering a 9-year period. All specimens were sent for histological analysis. Where incidental diagnoses were identified, patient records were reviewed to assess any clinical management alterations. A systematic review (2013-2023) was performed, exploring rates of incidental pathologies post-LSG. Publications were stratified into those performing routine pre-operative endoscopy, or not, and results compared to present data.
resultsFrom 01/06/2013 to 12/12/2022, 404 patients underwent LSG. 365/404 (90.4%) had no pathology on histopathological analysis. Seven (1.7%) appeared macroscopically abnormal, with histology identifying 3 polyposis and 1 each of GIST, pernicious anaemia, sarcoidosis and gastritis. Ten (2.48%) appeared macroscopically normal but had incidental pathology. All patient management remained unchanged. Twenty-two (5.44%) were H. pylori positive. Forty-eight publications within wider literature reviewed LSG specimen histology. Fifteen, including 9662 patients undergoing pre-operative endoscopy, found pathological diagnoses in 0.5% and 1 malignancy. Thirty-three studies reporting 17,008 patients without pre-operative endoscopy identified pathologies in 0.45% and 7 malignancies.
conclusionThere is little clinical utility in analyzing macroscopically normal gastric samples following LSG. The potential financial and environmental savings from limiting this practice are of great importance to worldwide bariatric teams. The authors recommend selectively sending LSG specimens only if abnormal gastric mucosa is identified when examining the extracted specimen.
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Registered trials
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