Clinical Evaluation of a Postoperative Prolonged-Course Dose-Escalation Superficial Radiotherapy Regimen for Keloid Treatment: A Prospective Observational Study

1. Supplemental Materials including: Supplemental Figure 1.Line charts showing the changes in VSS, OSAS, PSAS and Hyperpigmentation Scale Supplemental Figure 2. Adverse events while on postoperative radiotherapy Supplemental Figure 3. Severity grading of hyperpigmentation induced by superficial X-rays in postoperative keloid radiotherapy. Supplemental Table 1. The resolution or flattening of keloid according to different factors in postoperative radiotherapy at the 18 months. Supplemental Table 2. Overview of adverse events while on postoperative radiotherapy. Supplemental Table 3. The severity of pigmentation induced by superficial X-ray in postoperative keloid radiotherapy at the 6 months. 2.Supplemental Methods