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Case Report
A Case of Thyrotoxic Periodic Paralysis Associated with Transient Thyrotoxicosis - Hye Jung Kwon, Young Sik Choi, Joon Seup Lee, Dong Hyun Park, Yeon Jung Choi, Jin Seok Yoo
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Kosin Medical Journal 2012;27(2):167-171.
DOI: https://doi.org/10.7180/kmj.2012.27.2.167
Published online: December 27, 2012
Department of Internal Medicine, College of Medicine, Kosin University, Busan, Korea.
- Corresponding Author: Young Sik Choi, Department of Internal Medicine, College of Medicine, Kosin University, 34, Amnam-dong, Seo-gu, Busan 602-702, Korea. TEL: +82-51-990-6102, FAX: +82-51-248-5686, yschoi@ns.kosinmed.or.kr
• Received: April 23, 2012 • Revised: April 25, 2012 • Accepted: June 7, 2012
Copyright © 2012 Kosin University College of Medicine
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Abstract
- Thyrotoxic periodic paralysis is an acute muscle weakness of the limbs associated with hypokalemia. It can occur with any form of thyrotoxicosis. Thyrotoxic periodic paralysis associated with transient thyrotoxicosis due to thyroiditis is very rare. We experienced a case of thyrotoxic periodic paralysis associated with transient thyrotoxicosis. A 39-yr-old man was referred to our hospital because of paralysis of upper and lower extremity. The laboratory results were hypokalemia and mild thyrotoxicosis. A thyroid scan with Tc-99m revealed decreased uptake in the thyroid area compatible with destructive thyroiditis. The paralytic attack did not recur after the patient recovered to euthyroid state.
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Fig. 1
Electrocardiography reveals sinus tachycardia, nonspecific T wave abnormalities, and mild high QRS voltage criteria.
Fig. 2
Ultrasonography of the neck. A sonogram reveals a decreased echo in right lobe of thyroid gland.
Fig. 3
Tc-99m thyroid scan revealed decrease uptake of tracers.
Fig. 1
Fig. 2
Fig. 3
A Case of Thyrotoxic Periodic Paralysis Associated with Transient Thyrotoxicosis
