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目的：明确和评价高锝酸盐（ＴｃＰＴ）显像确定原发性先天性甲状腺功能减退（ＰＣＨ）的确切原因和暂时性ＰＣＨ的临床价值。方法：对１０３例（男３０例、女７３例）ＰＣＨ患儿静脉注射ＴｃＰＴ１８．５ＭＢｑ（５００μＣｉ）后３０分钟，用针孔型准直器进行甲状腺显像。根?
Objective: To identify and evaluate the exact cause of primary congenital hypothyroidism (PCH) and the clinical value of transient PCH in patients with pertechnetate (TcPT) imaging. Methods: A total of 103 PCa (30 males and 73 females) PCH children underwent intravenous injection of TcPT18.5 MBq (500 μCi) for 30 minutes. Thyroid imaging was performed with a pinhole collimator. root?