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目的 :探讨亚急性甲状腺炎 (亚甲炎 )的核医学检查方法的临床意义。方法 :对 3 8例初诊亚甲炎患者 ,按先后顺序进行游离三碘甲状腺原氨酸 (FT3) ,游离甲状腺素 (FT4 ) ,甲状腺吸碘率 (ARIU) ,99mTc甲状腺平面显像。结果 :3 8例亚甲炎初诊时甲状腺双叶肿大 2 7例 ( 71 0 5 % ) ,单叶肿大 10例 ( 2 6 3 2 % ) ,双叶不显像 17例 ( 4 4 74% ) ,双叶稀疏 9例 ( 2 3 68% ) ,双叶局部稀疏 5例( 13 16% ) ,单叶不显像 5例 ( 13 16% ) ,ARIU <10 %者 3 3例 ( 86 84% ) ,10～ 2 0 %者 2例 ( 10 5 3 % ) ,FT3、FT4 增高 2 7例( 71 0 5 % ) ,正常 9例 ( 2 3 68% )。99mTc甲状腺显像结果与ARIU有良好的相关关系 ,与FT3、FT4 水平增高之间有良好的负相关关系 ,ARIU与FT3、FT4 之间有良好的负相关关系。结论 :对初诊的可疑亚甲炎病人的确诊指标是首选99mTc甲状腺显像或ARIU ,同时测定血清FT3、FT4 。
Objective: To investigate the clinical significance of nuclear medicine examination for subacute thyroiditis (methylene-actin). Methods: Thirty-eight cases of newly diagnosed acute arthritis were treated with free triiodothyronine (FT3), free thyroxine (FT4), iodine thyroid iodine (ARIU) and 99mTc thyroid imaging in order of preference. Results: Thirty-seven cases of thyroiditis at the time of first visit were 27 (71 0 5%), 10 (26 3 2%) with single-lobe enlargement and 17 9 cases (23 68%) with bilobal sparseness, 5 cases (13 16%) with bilobal sparseness, 5 cases (13 16%) with uniformed leaves, and 33 cases with ARIU <10% 84%), 2 cases (10 5 3%) in 10 ~ 20%, 27 cases (71 0 5%) and 9 normal cases (23 68%) in FT3 and FT4. The results of 99mTc thyroid imaging showed a good correlation with ARIU and a good negative correlation with FT3 and FT4 levels. There was a negative correlation between ARIU and FT3 and FT4. Conclusions: The diagnostic criteria of newly diagnosed patients with suspected hypothyroidism is 99mTc thyroid imaging or ARIU, and serum FT3 and FT4 are also determined.