[The course and clinical manifestations of Peutz-Jeghers syndrome in the Russian population].

Background: Peutz-Jeghers syndrome (PJS) is a rare hereditary syndrome characterized by the growth of hamartomatous polyps in the gastrointestinal tract, perioral pigmentation and an increased risk of malignant neoplasms. The syndrome is caused by a pathogenic variant in the gene.

Aim: To assess the clinical picture and treatment of Russian patients with PJS.

[One thousand endoscopic submucosal dissections. Experience of the national center].

Background: Endoscopic submucosal dissection (ESD) is a perspective method of organ-sparing treatment of benign colon tumors.

Material And Methods: The study included 1.000 patients with colon neoplasms who underwent ESD between October 2016 and October 2021.