Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
ORIGINAL ARTICLES
Rice Cake Ileus - A Rare and Ethnic but Important Disease Status in East-Southern Asia
Tomofumi MiuraNaruhiro KimuraJunichiro NakamuraSatoshi YamadaTsutomu MiuraMasahiko YanagiYohei IkedaSatoshi TakakiYoshiko TaniTakeshi ItoMamiko NishiharaToru Takahashi
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Keywords: ileus, rice cake
JOURNALS OPEN ACCESS

2011 Volume 50 Issue 22 Pages 2737-2739

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Abstract

Introduction Rice cake is a traditional but very popular food in Asia including Japan and has never been known as a cause of ileus. Rice cake is now becoming widespread in the United States and European countries along with other Japanese foods. We may encounter rice cake ileus all over the world. This study was aimed at characterizing the rice cake ileus.
Methods We consecutively encountered 14 patients with rice cake ileus from April 2003 to October 2010 in our hospital. All of the characteristics of the cases were reviewed and analyzed.
Results All patients had ingested rice cake by swallowing without chewing. It has most frequently occurred in January (57.1%). The main symptoms were abdominal colicky pain (100%) and nausea (85.7%) and physical findings included abdominal tenderness (100%) and muscular defense (28.6%). All patients improved by conservative therapy including fluid supply (100%), naso-gastric tube (28.6%) and long tube (28.6%) insertion. No patient needed emergency open surgery.
Conclusion Rice cake ileus which is caused by swallowing the rice cake without chewing, frequently occurs in January, has previous history of abdominal surgery and shows high density intestinal contents on CT and only needs conservative therapy. Globalism in food culture may provide a new disease entity. Therefore, we should be aware of this type of ileus and be prepared to manage it appropriately.

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© 2011 by The Japanese Society of Internal Medicine
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