Prophylactic Management of Radiation-Induced Nausea and Vomiting

Table 1

Risk categories adapted from [1].

Emetogenic potential	Risk of emesis without antiemetic prophylaxis	Location
High	Risk > 90 percent	Total-body irradiation (TBI), total nodal irradiation (TNI)
Moderate	Risk 60 to 90 percent	Upper abdominal irradiation, hemibody irradiation (HBI), and upper body irradiation (UBI)
Low	Risk 30 to 60 percent	Cranium (all), craniospinal, head and neck, lower thorax region, pelvis
Minimal	Risk < 30 percent	Breast and extremities