X线摄影用的显影剂碘化油,是一种价格昂贵的药品,我们曾采用过碘化钠溶液,但它缺乏粘稠性,不适宜作上颌窦、瘘管等造影。此外,我们也曾采用硫酸钡胶浆来代替碘油,它虽然有很多优点,但仍然不够理想。因为硫酸钡是一种不易溶解的药物,滞留于器官和组织内的时间较长,这是它的主要缺点。虽然硫酸钡无毒性,但作为异物长期积存在机体内,对机体是否有损害尚待研究。我市某医院曾发现一例患者作输卵 X-ray imaging with the developer iodized oil, is an expensive drug, we have used sodium iodide solution, but its lack of viscosity, inappropriate for maxillary sinus, fistula and other imaging. In addition, we also used barium sulphate instead of lipiodol, which has many advantages but is still not ideal. Because barium sulfate is a poorly soluble drug, retention in organs and tissues takes a long time, which is its main drawback. Although barium sulfate is non-toxic, as a foreign body long-term accumulation in the body, whether damage to the body remains to be studied. A hospital in our city has found a patient who lost eggs