Frequency of Pathological Types of Hyperthyroidism in Thyroid Scan Patients

Author(s): Ali Pooria, Afsoun Pourya, Alireza Gheini*

Journal Name: Current Medical Imaging
Formerly: Current Medical Imaging Reviews

Volume 17 , Issue 5 , 2021

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Graphical Abstract:


Background: Hyperthyroidism is a common systemic disorder where Graves’ disease is known as the leading cause of the disease. Thyroid stimulating hormone, T4 and T3 antibody assay is usually performed for the diagnosis of the pathology. However, with uncertainty in the results and in order to estimate the magnitude and the exact cause of the disease, radioactive iodine uptake (RAIU) test is recommended. The aim of this study is to evaluate underlying pathology in the patients presenting hyperthyroidism using RAIU test results.

Methods: This is a cross-sectional retrospective study conducted on the patients with hyperthyroidism referred to Shahid Madani Hospital in Khorramabad. Data regarding the biochemical analysis and RAIU test was collected from the records and a questionnaire based on demographic and clinical information was completed for each patient.

Results: Of 137 patients presenting hyperthyroidism, 62.04% presented with Graves’ disease, 24.08% with toxic multinodular goiter and 13.86% with toxic adenoma. 24-hour RAIU test showed that the percent of radioiodine uptake was most in toxic adenoma with 67.7%, Graves’ disease 53.5% and multinodular goiter 39%, respectively. From the age-based analysis, we found that Graves’ was most common in 20-30 years old individuals accounting for 34%, multinodular goiter in 50+ aged individuals with 36.3% and toxic adenoma was most prevalent in 30-40 and 50+ aged patients, with 26.3%. In our population of interest, 81.8% toxic multinodular goiter patients were females.

Conclusion: Our study presents the outcome of RAIU tests in hyperthyroidism based on the underlying pathologies. We also conclude, in light of other findings, that Graves’ disease is the most common cause of hyperthyroidism in our population.

Keywords: Hyperthyroidism, thyroid scan, graves' disease, RAIU test, pathology, toxic, multinodular.

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Article Details

Year: 2021
Published on: 08 June, 2021
Page: [608 - 612]
Pages: 5
DOI: 10.2174/1573405616666201118142752
Price: $65

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