Clinical features and endoscopic polyp management of Peutz-Jeghers syndrome: the 2nd nationwide epidemiological survey in Japan.
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BACKGROUND: Peutz-Jeghers syndrome (PJS), a rare genetic disorder characterized by hamartomatous gastrointestinal polyps, poses increased risks of various cancers. Despite the importance of early intervention, the optimal timing for jejunal-ileal polypectomy remains unclear owing to the limited number of comparative studies. METHODS: Herein, we conducted a nationwide survey in Japan and analyzed data from 184 patients with PJS identified through a two-stage sampling process. The initial screening of 2912 medical institutions yielded 1748 facilities, of which 1077 responded to the survey. Time-dependent Cox proportional hazards models and logistic regression analyses were used to examine the association between the timing of jejunal-ileal polypectomy and the risk of surgery for intussusception. RESULTS: Among 184 patients (47.0% women; mean age, 33.5 years), intussusception was the most common complication (67.7%). In the Cox proportional hazards analysis excluding surgeries within 1 year of diagnosis, early jejunal-ileal polypectomy was associated with a reduced risk of surgery for intussusception (adjusted hazard ratio, 0.17; 95% confidence interval [CI] 0.04-0.74, p = 0.018). Logistic regression analysis showed higher odds of surgery in the late treatment group compared with the early treatment group (adjusted odds ratio, 4.26; 95% CI 1.38-13.16, p = 0.012). CONCLUSIONS: Early jejunal-ileal polypectomy may reduce the risk of intussusception in patients with PJS. However, the need for frequent endoscopic procedures must be balanced considering patient burden. These findings support the importance of early intervention and highlight the need for optimized surveillance strategies that consider clinical effectiveness and patients' quality of life.