Bibliographic record
Abstract
AIMS: Histological features of chronic active ileitis in the small intestine neighbouring a Meckel's diverticulum raise the possibility of concurrent Crohn's disease. Several studies have reported a significant association between Meckel's diverticulum and Crohn's disease, whereas some case reports have proposed that the ileitis is attributable to acid-secreting gastric heterotopia. The aim of this study was to evaluate the incidence, histomorphology and clinical follow-up of Meckel's diverticulum-associated ileitis. METHODS AND RESULTS: Medical records and slides from 48 consecutive surgical resections performed for Meckel's diverticulum were reviewed. Nine of 48 adults had significant inflammatory changes in the small intestine neighbouring the diverticulum. Two were transmural ulcers attributable to ingestion of a sharp object. Two patients had established Crohn's disease, both with long segments (>95 mm) of transmural inflammation located >100 mm from the diverticulum. The remaining five patients had inflammatory changes (ulceration, pseudopyloric metaplasia, submucosal fibrosis, and muscularis mucosa hyperplasia) confined to a short segment (<20 mm) of mucosa/submucosa within 50-60 mm of the diverticulum. Two had gastric heterotopia in the diverticulum. None of these five patients used non-steroidal anti-inflammatory drugs (NSAIDs). On follow-up, none had symptoms, imaging or pathology suggestive of Crohn's disease. CONCLUSIONS: Ileitis affecting a short segment of mucosa and submucosa in the small intestine near a Meckel's diverticulum is relatively common, and is not necessarily related to Crohn's disease.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".