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Chronic Enteropathy Associated with the SLCO2A1 Gene Presenting as Digital Clubbing and Pachydermia, Report of Two Cases Junji Umeno 1 , Motohiro Esaki 1 , Shuji Kochi 2 , Koichi Kurahara 2 , Shigeyoshi Yasukawa 3 , Fumihito Hirai 3 , Toshiyuki Matsui 3 , Takanari Kitazono 1 , Takayuki Matsumoto 4 1Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan 2Department of Gastroenterology, Matsuyama Red Cross Hospital, Matsuyama, Japan 3Department of Gastroenterology, Fukuoka University Chikushi Hospital, Chikushino, Japan 4Division of Gastroenterology, Department of Internal Medicine, School of Medicine, Iwate Medical University, Morioka, Japan Keyword: 非特異性多発性小腸潰瘍症 , SLCO2A1遺伝子 , 肥厚性皮膚骨膜症 , プロスタグランジン輸送体 , CEAS pp.1069-1076
Published Date 2016/7/25
DOI https://doi.org/10.11477/mf.1403200690
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 [Case 1]A 26-year-old man had a long history of refractory iron deficiency anemia and hypoproteinemia. Small-bowel radiography showed multiple bilateral or eccentric deformities and stenoses in the ileum. Double-balloon enteroscopy demonstrated shallow and eccentric ulcers with stenosis in the ileum. We diagnosed chronic enteropathy associated with the SLCO2A1 gene(CEAS)based on genetic analysis.

 [Case 2]A 63-year-old man had a long history of anemia and had undergone ileal resection. Small-bowel radiography and enteroscopy showed multiple circumferential ulcers with short stenoses in the ileum. Genetic analysis for SLCO2A1 revealed a homozygous nonsynonymous mutation(c.664G>A), and the diagnosis was CEAS.

 Both patients had digital clubbing and pachydermia of the forehead as cutaneous lesions of CEAS. Thus, we should remember that CEAS sometimes presents cutaneous lesions.


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