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目的：探讨Ｘ－ＣＴ扫描计算甲亢患者甲状腺重量，为临床１３１Ｉ治疗甲亢计算甲状腺重量提供较准确的方法。方法：采用东芝ＴＣＴ－３００／ＥＺ全身ＣＴ扫描系统，４９例甲亢病人１３１Ｉ治疗前行甲状腺扫描，计算甲状腺体积（重量）。结果：４９例甲亢病人ＣＴ扫描计算的甲状腺重量为５１．５９９±２９．２０（１６．１６～１２６．８４）ｇ，与Ｂ超检查结果［４５．６３５±２３．０２（１４．９８～１０１．２９）ｇ］进行比较，ＣＴ测值要大于Ｂ超测值，但差异无显著性（Ｐ＞０．０５），两者间相关性良好（ｒ＝０．８８６，Ｐ＜０．００１）。结论：ＣＴ能够准确计算甲状腺体积（重量），为临床１３１Ｉ治疗甲亢时计算甲状腺重量开辟了另一条简单易行且较准确的途径和方法
Objective: To investigate the thyroid weight of patients with hyperthyroidism by X-ray computed tomography (CT), and to provide a more accurate method for calculating thyroid weight in 131I treatment of hyperthyroidism. Methods: Thyroid gland was scanned by thyroid scan with Toshiba TCT-300 / EZ whole body CT scan system and 49 cases of hyperthyroidism patients treated with 131I. Thyroid volume (weight) was calculated. Results: The thyroid weight of 49 cases with hyperthyroidism was 51.599 ± 29.20 (16.16 ~ 126.84) g by CT scan, which was significantly higher than that of B ultrasound examination [45.635 ± 23.02 (14.98 ~ 101 .29) g], CT measurement was greater than the B-test, but the difference was not significant (P> 0.05), the correlation between the two was good (r = 0.886, P <0.001) . Conclusion: CT can accurately calculate the thyroid volume (weight), which provides a simple and feasible way to calculate the thyroid weight for the treatment of hyperthyroidism in clinical 131I