Cronkhite-Canada Syndrome: Clinical Features and Management Strategies
Summary
Cronkhite-Canada syndrome (CCS) is a rare non-hereditary disorder characterised by diffuse gastrointestinal polyposis and a constellation of ectodermal manifestations. Patients typically present with chronic diarrhoea, abdominal pain, weight loss and protein-losing enteropathy, alongside cutaneous hyperpigmentation, alopecia and onychodystrophy. Endoscopic examination reveals numerous hamartomatous polyps throughout the stomach and colon, while histology demonstrates inflammatory and hyperplastic changes with mesenchymal proliferation. The aetiology remains elusive, although emerging evidence points to immune dysregulation and chronic inflammation as central drivers of mucosal injury and polyp formation. Complications include malnutrition, gastrointestinal bleeding, increased risk of malignancy and secondary infections. Management strategies centre on aggressive nutritional support to correct deficiencies, immunosuppressive therapy—most commonly systemic corticosteroids—and adjunctive agents such as mesalazine, calcineurin inhibitors and biologic therapies targeting tumour necrosis factor. Regular surveillance via endoscopy is recommended to monitor polyp burden and detect dysplastic transformation. Multidisciplinary care, combining gastroenterology, dermatology and nutrition expertise, is essential to improve quality of life and long-term outcomes.
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Cronkhite-Canada Syndrome: Clinical Features and Management Strategies publication trend
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Technical terms
Gastrointestinal polyposis: The presence of multiple polypoid growths along the digestive tract.
Ectodermal abnormalities: Alterations in skin, hair and nail structures arising from germ layer dysfunction.
Hamartomatous polyp: A benign growth composed of disorganised but mature tissue elements native to the site.
Immunosuppression: Therapeutic reduction of immune activity to control inflammatory or autoimmune processes.
Transcriptome sequencing: A technique to profile RNA expression levels across the entire genome.
References
- Cronkhite‒Canada syndrome as inflammatory hamartomatous polyposis: new evidence from whole transcriptome sequencing of colonic polyps. Orphanet Journal of Rare Diseases (2024).
- Cronkhite‐Canada Syndrome: Review of the Literature. Gastroenterology Research and Practice (2013).
- Cronkhite‐Canada Syndrome: Sustained Clinical Response with Anti‐TNF Therapy. Case Reports in Medicine (2018).
- Case report of patient with a Cronkhite-Canada syndrome: sustained remission after treatment with corticosteroids and mesalazine. BMC Gastroenterology (2019).
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