Abstract
Abstract
Objective
To report Peutz–Jeghers syndrome (PJS) cases with non-definitive clues in the family or personal history and finally diagnosed through pathological examination and STK11 gene mutation test.
Clinical presentation and intervention
PJS was suspected in 3 families with tortuous medical courses. Two of them had relatives departed due to polyposis or colon cancer without pathological results, and the other one had been diagnosed as hyperplastic polyposis before. Diagnosis of PJS was confirmed by endoscopy and repeated pathological examinations, and the STK11 mutation test finally confirmed the diagnosis at genetic level, during which 3 novel mutation were detected (536C > A, 373_374insA, 454_455insGGAGAAGCGTTTCCCAGTGTGCC).
Conclusion
Early diagnosis of PJS is important and may be based on a family history with selective features among family members, and the pathological information is the key. The novel mutations also expand the STK11 variant spectrum.
Funder
National Key R&D Program of China
Science & Technology Support Program (Medicine Guidance) of Shanghai S&T Committee
National Natural Science Foundation of China
Shijitan Hospital Foundation for Young Scholars
Publisher
Springer Science and Business Media LLC
Subject
Pharmacology (medical),Genetics (clinical),General Medicine