Overview

Keloid patients were randomized into the experimental and control groups. Experimental group: Strontium-90 (Sr-90) brachytherapy followed by hyperthermia. Control group: Sr-90 brachytherapy alone .

Eligibility

Inclusion Criteria:

• The patient was clinically diagnosed with keloid, and the keloid area was clean without rupture and exudation；
• Body surface keloid thickness: 2~5mm, diameter ≥10mm.

Exclusion Criteria:

• Women who plan to become pregnant within 3 months or are pregnant or breastfeeding;
• Patients with cicatricial constitution;
• Abnormal coagulation function;
• Patients who have received an adequate dose or course of radiation therapy;
• People with previous immune system diseases, diabetes and other metabolic diseases.