Table 1.

Staging of radiation skin injury [31].

Grade	Skin appearance	Radiation dose	Time after radiation exposure
1	Faint erythema or desquamation	> 2 Gy	First 48 hours
2	Moderate to brisk erythema or moist desquamation. Moderate swelling.	> 15 Gy	2-5 weeks
3	Confluent, moist desquamation > 1.5 cm diameter, which is not confined to the skin folds. Pitting oedema	> 40 Gy	6-7 weeks
4	Skin necrosis or ulceration of full thickness dermis	> 550 Gy	2 weeks