Table 2.

Four-dimensional computed tomography (4DCT) protocol for parathyroid gland.

Parameters	Description
Coverage	Maxilla to carina
Iodinated contrast material administration	100 mL (370 mg iodine/mL) injected at 3–4 mL/s, followed by 40 mL saline flush
Phases	Non-contrast, arterial, delayed venous
Arterial phase	25–30 s after start of injection
Delayed venous phase	60 s after start of injection
Thickness	1.25 mm
Tube voltage (kVp)	140
Tube current (mA)	Minimum 180 and maximum 300
Interval	1 mm
Display field of view (DFOV) (cm)	25