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应用构檬酸铁铵溶液对250例病人做了上腹部磁共振检查，发现该口服造影剂在T1、T2图像上均呈高信号，能充盈胃肠道．提高胃肠道与邻近组织器官的分辨率，其造影的优良率为90.65％。
Ferric ammonium citrate solution on 250 patients with upper abdominal MRI, found that the oral contrast agent in the T1, T2 images were high signal, can fill the gastrointestinal tract. Improve the resolution of the gastrointestinal tract and adjacent tissues and organs, the excellent rate of angiography was 90.65%.