Cytomegalovirus-Induced Colitis Presenting as Acute Appendicitis in an Immunocompetent Patient With Ulcerative Colitis
Bibliographic record
Abstract
We report a rare case of cytomegalovirus (CMV) colitis presenting radiologically as acute appendicitis in an immunocompetent 71-year-old man known for ulcerative colitis. Although initial imaging revealed acute appendicitis, a lack of clinical improvement with antibiotic therapy prompted further evaluation with colonoscopy, which led to the diagnosis of CMV colitis on a background of mild ulcerative colitis flare. Most individuals infected by CMV will exhibit lifelong latency; however, the virus can reactivate under impaired immune status (eg, transplant recipients, those receiving immunosuppressive therapy). Patients with underlying inflammatory bowel disease are especially at risk of CMV colitis during an acute flare. This case illustrates a unique presentation of CMV colitis in an immunocompetent host, with initial imaging studies revealing acute appendicitis.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.002 |
| Insufficient payload (model declined to judge) | 0.001 | 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".