Hematoporphyrin Photodynamic Therapy for Treatment of Pathological Scar with Ulceration: A Case Report.

Pathological scars result from abnormal wound healing and represent a fibrotic process in the repair of skin injuries. Post-burn scars are prone to malignant transformation, especially when ulceration occurs, raising concerns for precancerous lesions. We report a case of a 56-year-old female with a 50-year history of a large burn scar on her left forearm. The scar developed non-healing ulceration with local pain and itching over the past three years. Treatment with hematoporphyrin photodynamic therapy (HpD-PDT) led to resolution of the ulceration, thinning of the scar tissue, and significant alleviation of pain and itching. After a five-year follow-up, there has been no recurrence of ulceration, suggesting that photodynamic therapy effectively promotes wound healing in scarred tissue with ulcerations.

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