Thymic Hyperplasia-Associated Myasthenia Gravis in the Setting of Coexisting Graves’ Disease

Authors

DOI:

https://doi.org/10.15605/jafes.040.02.04

Keywords:

thymic hyperplasia, Myasthenia gravis, Graves' disease

Abstract

Thymic hyperplasia secondary to Graves’ disease (GD) is a well-recognized entity.¹ Still, other causes of thymic hyperplasia in the presence of euthyroidism, especially the occurrence of massive thymic hyperplasia, should be investigated.² The clinical features of myasthenia gravis (MG) and thyroid eye disease (TED) may be similar, while thymic hyperplasia may occur in both conditions. Herein, we report an interesting case of the coexistence of severe TED and MG.

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Author Biographies

Yotsapon Thewjitcharoen, ViMUT-Theptarin Hospital, Bangkok, Thailand

Theptarin Diabetes, Thyroid, and Endocrine Center, ViMUT-Theptarin Hospital, Bangkok, Thailand

Veekij Veerasomboonsin, ViMUT-Theptarin Hospital, Bangkok, Thailand

Theptarin Diabetes, Thyroid, and Endocrine Center, ViMUT-Theptarin Hospital, Bangkok, Thailand

Thep Himathongkam, ViMUT-Theptarin Hospital, Bangkok, Thailand

Theptarin Diabetes, Thyroid, and Endocrine Center, ViMUT-Theptarin Hospital, Bangkok, Thailand

References

1. Popoveniuc G, Sharma M, Devdhar M, et al. Graves’ disease and thymic hyperplasia: The relationship of thymic volume to thyroid function. Thyroid. 2010;20:1015–8. https://pubmed.ncbi.nlm.nih.gov/20718680 https://doi.org/10.1089/thy.2009.0383

2. Haider U, Richards P, Gianoukakis AG. Thymic hyperplasia associated with Graves’ disease: Pathophysiology and proposed management algorithm. Thyroid. 2017;27(8):994–1000. https://pubmed.ncbi.nlm.nih.gov/28578595 https://doi.org/10.1089/thy.2017.0086

3. Lopomo A, Berrih-Aknin S. Autoimmune thyroiditis and myasthenia gravis. Front Endocrinol (Lausanne). 2017;8:169. https://pubmed.ncbi.nlm.nih.gov/28751878 https://pmc.ncbi.nlm.nih.gov/articles/PMC5508005 https://doi.org/10.3389/fendo.2017.00169

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Published

2025-09-23

How to Cite

Thewjitcharoen, Y., Veerasomboonsin, V., & Himathongkam, T. (2025). Thymic Hyperplasia-Associated Myasthenia Gravis in the Setting of Coexisting Graves’ Disease. Journal of the ASEAN Federation of Endocrine Societies, 40(2), 190–191. https://doi.org/10.15605/jafes.040.02.04

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Section

Images in Endocrinology