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Alagille syndrome with colonic polyposis
1Department of Gastroenterology, New England Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA.
Insights
Alagille syndrome, a rare inherited disorder causing prolonged cholestasis, can present with variable symptoms. This case highlights a potential association between Alagille syndrome and colonic polyposis in an adult patient.
Area of Science:
- Genetics and rare diseases
- Gastroenterology and hepatology
Background:
- Alagille syndrome is an autosomal dominant inherited disorder.
- It typically presents in infancy with prolonged cholestasis.
- Variable expression can delay diagnosis and recognition of clinical findings.
Observation:
- A 35-year-old patient with a known diagnosis of Alagille syndrome was evaluated.
- The patient was found to have colonic polyposis.
- This observation prompted further investigation into a potential link.
Findings:
- The case report details the diagnosis of colonic polyposis in an adult with Alagille syndrome.
- This finding suggests a possible, previously unrecognized association between these conditions.
- Further research is warranted to confirm this association.
Implications:
- Early recognition of Alagille syndrome is crucial due to potential late complications like hepatocellular carcinoma.
- The potential link to colonic polyposis may necessitate expanded screening protocols for affected individuals.
- This case broadens the understanding of Alagille syndrome's clinical manifestations and associated risks.
Abstract:
Alagille syndrome is a rare inherited condition, which typically manifests during the first year of life as an episode of prolonged cholestasis. Although the pattern of inheritance is autosomal dominant with almost complete penetrance, highly variable expression may delay the diagnosis, and with passing time the clinical findings may be more difficult to recognize. This has clinical implications, as patients with Alagille syndrome are at risk for late complications such as hepatocellular carcinoma. We report a case of a 35-yr-old patient with Alagille syndrome who was diagnosed with colonic polyposis raising the possibility of an association between the two.
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