Table 1.

Radiation dermatitis severity score (RDS)

Score	Criteria/characteristics
0.0	None
0.5	Patchy faint follicular erythema; faint hyperpigmentation.
1.0	Faint diffuse erythema; diffuse hyperpigmentation.
1.5	Definite erythema; definite darkening/hyperpigmentation.
2.0	Definite erythema (or hyperpigmentation) with fine desquamation and pruritus (itchiness).
2.5	Definite erythema (or hyperpigmentation) with branny desquamation.
3.0	Deep red erythema (or extreme darkening) with diffuse desquamation, some desquamation in sheets.
3.5	Violaceous erythema (or extreme darkening) with diffuse desquamation in sheets, patchy crusting.
4.0	Violaceous erythema (or extreme darkening) with diffuse desquamation in sheets, patchy crusting, and superficial ulceration.