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目的：探讨甲状腺直观指数（ＶＩＴＵ）对亚急性甲状腺炎的诊断价值。方法：对３０例亚急性甲状腺炎患者、３４７例其它各类甲状腺疾病患者及４５例正常人行甲状腺放射性核素显像，并计算ＶＩＴＵ值。结果：亚甲炎组ＶＩＴＵ值除与甲低组无显著性差异（Ｐ＞０．０５）外，与其它各组比较均有非常显著性差异（Ｐ＜０．０１）。若以亚急性甲状腺炎组ＶＩＴＵｘ＋Ｓ，即０．９３作为判断阈值，则诊断亚急性甲状腺炎灵敏度为９６．７％，特异性为９９．５％，准确性为９９．３％。结论：ＶＩＴＵ值对亚急性甲状腺炎的诊断和鉴别诊断有重要的临床意义。
Objective: To investigate the diagnostic value of thyroid visual index (VITU) in subacute thyroiditis. Methods Thyroid radionuclide imaging was performed in 30 patients with subacute thyroiditis, 347 patients with other thyroid diseases and 45 normal controls, and the VITU value was calculated. Results: There was a significant difference (P <0.01) between the VITU value and the other hypothyroidism groups except the hypothyroidism group (P> 0.05). If the subacute thyroiditis group VITUx + S, or 0.93 as a threshold value, the diagnosis of subacute thyroiditis sensitivity was 96.7%, specificity was 99.5%, accuracy of 99.3%. Conclusion: The VITU value has important clinical significance in the diagnosis and differential diagnosis of subacute thyroiditis.