Iodinated<unk>  agents may cause allergic reactions,<unk> -induced nephropathy, hyperthyroidism and possibly metformin accumulation. However, there are no absolute contraindications to iodinated<unk> , so the benefits needs to be weighted against the risks. As with CT scans in general, the radiation dose can potentially increase the risk of radiation-induced cancer. The injection of iodinated<unk>  agents may sometimes lead to its extravasation
Contrast CT
Fluoroscopy
Phase contrast magnetic resonance imaging
Scintigraphy
Contrast-enhanced ultrasound
CT scan
Angiography
Gated SPECT