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Diagnostic value of estimating the ratio of serum free triiodothyronine to free thyroxine in differenti-ating Graves' disease from thyroiditis
المؤلفون المشاركون
Ibrahim, Nismah A.
Hammam, Ahmad M.
المصدر
Suez Canal University Medical Journal
العدد
المجلد 23، العدد 2 (31 ديسمبر/كانون الأول 2020)، ص ص. 135-142، 8ص.
الناشر
تاريخ النشر
2020-12-31
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الموضوعات
الملخص EN
Background : As the treatment approaches of Graves’ disease (GD) and thyroiditis are different, the differential diagnosis is essential.
Aim: To assess the diagnostic value of free triiodothyronine (FT3) to free thyroxine (FT4) ratio for differentiation between GD and destructive thyroiditis.
Subjects and Methods: The present study was conducted on 100 newly diagnosed thyrotoxicosis patients; 61 with thyroiditis (group 1) and 39 with GD (group 2) and 20 healthy, age-matched subjects representing a control group (Group 3).
All participants underwent medical history taking and clinical examination, serum levels of thyroid-stimulating hormone (TSH), FT3, and FT4 were measured, Technetium 99m thyroid Scan was done to all recruited patients.
Results: The present results recorded significant increases in FT3, FT4, and decreases in TSH levels in Graves’ disease group than in the thyroiditis group.
There was a statistically significant difference between the study groups regarding FT3/FT4 ratio, which was lower in thyroiditis group than in Graves’ disease group (0.21± 0.03 in group 1 vs 0.35±0.18 in group 2, p-value < 0.01), while there was no significant difference between thyroiditis group and the control group.
The FT3/FT4 ratio showed a predictive value, with an area under the ROC curve (AUC) of 0.936 (95%CI, 0.876-0.995) for Graves' disease vs.
thyroiditis (p < 0.001).
Based on the cutoff value of this ratio of more than 0.269 offered a sensitivity of 89.7% and specificity of 91.8%.
Conclusion: The results of the present study demonstrated that free thyroid hormones and the FT3/FT4 ratio are useful to differentiate Graves’ disease from destructive thyroiditis.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Ibrahim, Nismah A.& Hammam, Ahmad M.. 2020. Diagnostic value of estimating the ratio of serum free triiodothyronine to free thyroxine in differenti-ating Graves' disease from thyroiditis. Suez Canal University Medical Journal،Vol. 23, no. 2, pp.135-142.
https://search.emarefa.net/detail/BIM-980523
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Ibrahim, Nismah A.& Hammam, Ahmad M.. Diagnostic value of estimating the ratio of serum free triiodothyronine to free thyroxine in differenti-ating Graves' disease from thyroiditis. Suez Canal University Medical Journal Vol. 23, no. 2 (2020), pp.135-142.
https://search.emarefa.net/detail/BIM-980523
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Ibrahim, Nismah A.& Hammam, Ahmad M.. Diagnostic value of estimating the ratio of serum free triiodothyronine to free thyroxine in differenti-ating Graves' disease from thyroiditis. Suez Canal University Medical Journal. 2020. Vol. 23, no. 2, pp.135-142.
https://search.emarefa.net/detail/BIM-980523
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 141-142
رقم السجل
BIM-980523
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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