FIG. 3.

Organ dose plotted against average diameter of patient's body inside the scan coverage. Dose to the organs which are fully or partially irradiated in (a) liver scan; liver (as a large organ inside), adrenals (as a small organ inside), lungs (as an organ on the periphery), and bone (as a distributed organ), and (b) head-and-neck scan; brain (as a large organ inside), larynx and pharynx (as small organs inside), esophagus (as an organ on the periphery), and bone (as a distributed organ).