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BioMed Research International
Volume 2016, Article ID 5187061, 12 pages
http://dx.doi.org/10.1155/2016/5187061
Review Article

Concomitant Thyroid Disorders and Inflammatory Bowel Disease: A Literature Review

Department of Physiology, School of Medicine, Tokai University, 143 Shimokasuya, Isehara, Kanagawa 259-1193, Japan

Received 27 November 2015; Revised 30 January 2016; Accepted 16 February 2016

Academic Editor: Luca Elli

Copyright © 2016 Toru Shizuma. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The aim of this report was to review and summarize the literature on cases of concomitant inflammatory bowel disease (IBD) and thyroid diseases. We included the following previous case reports of concomitant IBD and thyroid diseases: 16 cases of ulcerative colitis (UC) and Graves’ disease (GD), 3 cases of Crohn’s disease (CD) and GD, 10 cases of CD and Hashimoto’s thyroiditis (HT), 4 cases of IBD and subacute thyroiditis (SAT) or SAT-like symptoms, and 13 cases of IBD (12/13 cases were CD) and amyloid goiter. There might be no obvious differences of prevalence of thyroid dysfunction (hyper- or hypothyroidism), GD, and thyroid cancer between IBD patients and general populations. However, concomitant UC and HT might be relatively common in patients with multiple autoimmune disorders, and AG is one of the complications with CD patients. There might be no obvious differences of fatal prognoses between IBD patients with thyroid diseases and patients with thyroid diseases without IBD.