Exome analysis for Cronkhite-Canada syndrome: A case report
Zhao-Dong Li1,2, Li Rong3, Yuan-Jing He1
1Department of Gastroenterology, Mianyang Central Hospital, Mianyang Central Hospital, Mianyang 621000, Sichuan Province, China.
World Journal of Clinical Cases
|September 26, 2022
Summary
Cronkhite-Canada syndrome (CCS) is a rare disorder causing gastrointestinal polyps and skin issues. Exome sequencing revealed somatic mutations, offering new insights into CCS causes.
Area of Science:
- Gastroenterology
- Genetics
- Dermatology
Background:
- Cronkhite-Canada syndrome (CCS) is a rare, non-hereditary condition.
- Characterized by gastrointestinal polyps and ectodermal abnormalities like alopecia and skin pigmentation.
- The underlying cause of CCS remains largely unknown.
Observation:
- A case study of an elderly female presenting with diarrhea, fatigue, hair loss, and abdominal pain.
- The patient was diagnosed with CCS, exhibiting multiple gastrointestinal polyps.
- Initial treatment involved albumin supplementation and prednisone, leading to symptom improvement and electrolyte correction.
Findings:
- Exome sequencing was performed on colorectal adenoma tissue.
- Analysis identified multiple somatic mutations and copy number variations.
- These genetic alterations may play a role in the development of CCS.
Implications:
- Provides novel insights into the potential genetic mechanisms underlying CCS etiology.
- Highlights the utility of exome sequencing in understanding rare diseases.
- Suggests a potential link between somatic mutations and the development of gastrointestinal polyps in CCS.
