A Case of Thyrotoxicosis and Excess Iodine Due to Habitual Use of Polyvinylpyrrolidone Iodine while Gargling in an Iodine-sufficient Area.

IF 1 4区医学 Q3 MEDICINE, GENERAL & INTERNAL

Internal Medicine Pub Date : 2025-03-22 DOI:10.2169/internalmedicine.4868-24

Kanako Sato, Hiroaki Asai, Saori Yoshioka, Keisuke Murakawa, Hiroyuki Sho, Ryoko Inui, Motohiro Kosugi, Yoji Hazama, Tetsuyuki Yasuda

引用次数: 0

Abstract

Excess iodine can influence the pathophysiology of the thyroid gland and results of various thyroid-related examinations. We herein report a 60-year-old Japanese man with thyrotoxicosis and excess iodine due to habitual use of polyvinylpyrrolidone iodine (PVP-I) to gargle for 20 years. Initial laboratory and imaging findings were suggestive of painless thyroiditis. However, after cessation of PVP-I use for gargling, these results changed to findings suggestive of Graves' disease, with worsening thyrotoxicosis. A detailed questionnaire regarding excess iodine is important for the accurate diagnosis of thyrotoxicosis, even in patients living in iodine-sufficient areas where iodine-induced thyrotoxicosis is rare.

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足碘地区含碘时习惯性使用聚乙烯吡咯烷酮碘致甲状腺毒症和碘过量1例。

碘过量会影响甲状腺的病理生理学以及各种甲状腺相关检查的结果。我们在此报告了一名患有甲状腺毒症和碘过量的 60 岁日本男子，其原因是 20 年来习惯性使用聚乙烯吡咯烷酮碘（PVP-I）漱口。最初的实验室和影像学检查结果提示为无痛性甲状腺炎。然而，在停止使用聚乙烯吡咯烷酮碘漱口后，这些结果转变为提示巴塞杜氏病的结果，并且甲状腺毒症不断恶化。即使是生活在碘充足地区的患者，由于碘引起的甲状腺毒症也很少见，因此有关碘过量的详细问卷对于准确诊断甲状腺毒症非常重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Internal Medicine 医学-医学：内科

CiteScore

1.90

自引率

8.30%

发文量

审稿时长

2.2 months

期刊介绍： Internal Medicine is an open-access online only journal published monthly by the Japanese Society of Internal Medicine. Articles must be prepared in accordance with "The Uniform Requirements for Manuscripts Submitted to Biomedical Journals (see Annals of Internal Medicine 108: 258-265, 1988), must be contributed solely to the Internal Medicine, and become the property of the Japanese Society of Internal Medicine. Statements contained therein are the responsibility of the author(s). The Society reserves copyright and renewal on all published material and such material may not be reproduced in any form without the written permission of the Society.