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Responsible Genes and Diagnostic Criteria of Hamartomatous Polyposis Syndromes Yoshiko Nakayama 1 , Shingo Kurasawa 1 , Satoshi Ukai 1 , Tomomitsu Sado 1 , Sawako Kato 1 , Yugo Iwaya 2 , Mai Iwaya 3 , Koichi Okamoto 4 , Tetsuji Takayama 4 1Department of Pediatrics, Shinshu University School of Medicine, Matsumoto, Japan 2Department of Gastroenterology, Shinshu University School of Medicine, Matsumoto, Japan 3Department of Laboratory Medicine, Shinshu University School of Medicine, Matsumoto, Japan 4Department of Gastroenterology and Oncology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan Keyword: 過誤腫性ポリポーシス , Peutz-Jeghers症候群 , 若年性ポリポーシス症候群 , Cowden症候群 , PTEN過誤腫症候群 pp.1624-1632
Published Date 2023/12/25
DOI https://doi.org/10.11477/mf.1403203429
  • Abstract
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 Hamartomatous polyposis throughout the gastrointestinal tract, except in the esophagus and mucocutaneous pigmentation characterize Peutz-Jeghers syndrome caused by germline pathogenic STK11 variants. Whereas, multiple hamartomatous polyps within the gastrointestinal tract characterize juvenile polyposis syndrome caused by germline pathogenic SMAD4 or BMPR1A variants.

 Germline pathogenic PTEN variants caused Cowden syndrome/PTEN hamartoma tumor syndrome is associated with multiple hamartomatous lesions in various organs and tissues, including the gastrointestinal tract, skin, mucous membranes, breast, thyroid, endometrium, and brain.

 This study described the diagnostic criteria, appropriate treatment, and surveillance of gastrointestinal lesions, as well as extraintestinal complications observed in the three autosomal dominant rare conditions.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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