Classification scale | Scores | Clinical description |
RTOG | 0 | No change |
1 | Erythema; dry desquamation, epilation |
2 | Bright erythema, moist desquamation, edema |
3 | Confluent moist desquamation, pitting edema |
4 | Ulceration, hemorrhage, necrosis |
NCI CTCAE | 0 | No change |
1 | Faint erythema or dry desquamation |
2 | Moderate to brisk erythema; patchy, moist desquamation, mostly confined to skin folds and creases; moderate edema |
3 | Moist desquamation in areas other than skin folds and creases; bleeding induced by minor trauma or abrasion |
4 | Life-threatening consequences; skin necrosis or ulceration of full thickness dermis; spontaneous bleeding from involved site; skin graft indicated |
Radiation dermatitis severity | 0.0 | None |
0.5 | Patchy or faint erythema; faint hyperpigmentation |
1.0 | Faint, diffuse erythema; diffuse hyperpigmentation; mild epilation |
1.5 | Definite erythema; extreme darkening/hyperpigmentation |
2.0 | Definite erythema/hyperpigmentation with fine dry desquamation and mild edema |
2.5 | Definite erythema/hyperpigmentation with branny/scaly desquamation |
3.0 | Deep red erythema with diffuse dry desquamation; peeling in sheets |
3.5 | Violaceous erythema with early moist desquamation; peeling in sheets; patchy crusting |
4.0 | Violaceous erythema with diffuse moist desquamation; patchy crusting; ulceration; necrosis |