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单词 Radiocontrast agent
释义

Radiocontrast agent

中文百科

造影剂

造影剂也称为对比剂,是一种X光无法穿透的药剂,用于让体内器官在X光检查时能看得更清楚。例如消化道摄影时,医师会让患者喝下一杯显影剂溶液(大多含钡),然后用各种角度照相,就能让胃肠道看得很清楚。

除了用喝的方式以外,显影剂也可以做成灌肠、注射等剂型,用来突显不同的器官或部位。

英语百科

Radiocontrast agent 造影剂

Example of iodine based contrast in cerebral angiography
Example of a DCBE
Angiografía femoral con CO2 como contraste.

Radiocontrast agents are a type of medical contrast medium used to improve the visibility of internal bodily structures in X-ray-based imaging techniques such as computed tomography (CT), radiography, and fluoroscopy. Radiocontrast agents are typically iodine or barium compounds. When an agent improves visibility of an area, it is called "contrast enhancing".

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更新时间:2025/6/21 23:47:15