Risks: If a contrast fluid is used, there is a slight risk of allergic reaction, but the risk is less than that associated with the iodine - based substances commonly used with X - rays and CT scans.
Ent see on tühisem ohust, mis seondub joodi sisaldavate ainetega, mida tavapäraselt kasutatakse röntgenipildistusel ja kompuutertomograafias.