期刊
AUSTRALASIAN JOURNAL OF DERMATOLOGY
卷 58, 期 2, 页码 135-138出版社
WILEY
DOI: 10.1111/ajd.12443
关键词
Laugier-Hunziker syndrome; Peutz-Jeghers syndrome; STK 11
类别
Peutz-Jeghers syndrome (PJS) is a rare, autosomal dominant condition characterised by mucocutaneous pigmented lesions, gastrointestinal polyposis and a significant risk of cancer. Laugier-Hunziker syndrome (LHS) is a benign condition with similar dermatological features, but with no systemic complications. STK 11 gene testing allows clinicians to differentiate between these two disorders. This case report compares the dermatological similarities in four individuals with PJS or LHS and illustrates the potential benefit of genetic testing. There is >90% likelihood of identifying a mutation in STK 11 if a patient fulfils the diagnostic criteria for PJS. Lifelong risk management is advised for these individuals with confirmed PJS. Diagnostic confirmation is important to provide rational management, in particular, endoscopic cancer surveillance, and psychological support. STK 11 testing can confirm those at risk of PJS, who require lifelong surveillance, and possibly release those with a simple dermatosis, such as LHS, from invasive and thus potentially harmful surveillance.
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