Genetic analysis is helpful for the diagnosis of small bowel ulceration

Junji Umeno, Takayuki Matsumoto, Atsushi Hirano, Yuta Fuyuno, Motohiro Esaki

研究成果: Contribution to journalArticle査読

5 被引用数 (Scopus)


The widespread use of capsule endoscopy and balloonassisted endoscopy has provided easy access for detailed mucosal assessment of the small intestine. However, the diagnosis of rare small bowel diseases, such as cryptogenic multifocal ulcerous stenosing enteritis (CMUSE), remains difficult because clinical and morphological features of these diseases are obscure even for gastroenterologists. In an issue of this journal in 2017, Hwang et al reviewed and summarized clinical and radiographic features of 20 patients with an established diagnosis of CMUSE. Recently, recessive mutations in the PLA2G4A and SLCO2A1 genes have been shown to cause small intestinal diseases. The small bowel ulcers in each disease mimic those in the other and furthermore those found in nonsteroidal anti-inflammatory drug-induced enteropathy. These recent and novel findings suggest that a clinical diagnosis exclusively based on the characteristics of small bowel lesions is possibly imprecise. Genetic analyses seem to be inevitable for the diagnosis of rare small bowel disorders such as CMUSE.

ジャーナルWorld Journal of Gastroenterology
出版ステータス出版済み - 7 28 2018

All Science Journal Classification (ASJC) codes

  • 消化器病学


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