S3676 Cronkhite-Canada Syndrome: A Rare Case of Gastrointestinal Polyposis
Bibliographic record
Abstract
Introduction: Cronkhite-Canada Syndrome (CCS) is an extremely rare, non-hereditary gastrointestinal polyposis syndrome characterized by diffuse GI hamartomatous polyps, chronic diarrhea, protein-losing enteropathy, and ectodermal abnormalities including alopecia, hyperpigmentation, and nail dystrophy. Fewer than 500 cases have been reported globally. Its pathogenesis is poorly understood. It is hypothesized to involve immune dysregulation. The rarity and clinical overlap with other GI and autoimmune diseases make early diagnosis and treatment challenging. We present a case of CCS in an elderly woman to highlight its clinical presentation, pathophysiology, differential diagnosis, and management strategies. Case Description/Methods: The patient is a 67-year-old woman with a medical history of hypertension, type 2 diabetes, hypothyroidism, celiac disease, and recurrent Clostridioides difficile infections, presented with a 3-day history of worsening nausea, vomiting, profuse diarrhea, and generalized abdominal pain. She reported a 100-pound weight loss over 2–3 years despite strict adherence to a gluten-free diet. Additional findings included alopecia and hyperpigmentation of the hands and feet. Laboratory studies revealed hypoalbuminemia, iron deficiency anemia, and electrolyte abnormalities. Computed tomography abdomen and pelvis with contrast showed severe colitis and ileitis with pseudopolypoid lesions scattered throughout the colon. EGD and colonoscopy revealed diffuse semi-pedunculated polyps in the entire GI tract, sparing only the esophagus. Pathology revealed juvenile-type hamartomatous polyp fragments, consistent with CCS. She is treated with azathioprine and total parenteral nutrition. Discussion: CCS is a diagnosis of exclusion that mimics other polyposis syndromes such as Peutz-Jeghers, juvenile polyposis, and Cowden syndrome. It is diagnosed based on clinical and endoscopic findings. Management includes nutritional support, immunosuppressants, and close surveillance for malignancy. This case aims to highlight the distinguishing features of CCS from other GI polyposis syndromes to support earlier diagnosis and treatment.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.002 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.003 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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 source (direct Gemma or distilled Codex), 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".