Low dose four-dimensional computerized tomography with volume rendering reconstruction for primary hyperparathyroidism: How I do it?

Figure 1 Position of patient for 4-dimensional computed tomography utilizing manufacture shoulder straps.

Figure 2 Four-dimensional computed tomography. Axial noncontrast (A), axial arterial phase post contrast (B) and axial delayed phase post contrast (C) images show a hypodense nodule contiguous with the right thyroid gland, which demonstrates avid early contrast enhancement and rapid washout.

Figure 3 Three-dimensional volume rendering images in 3 different thresholds showing the presumed adenoma in relation to thyroid gland (A), bony landmarks (B) and skin (C).