Radiation port wart: a distinct cutaneous lesion after radiotherapy.

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BACKGROUND

Radiotherapy may cause common cutaneous side effects such as acute and chronic radiodermatitis and also rare skin conditions.

CASE REPORT: A 42-year-old woman who received radiotherapy for invasive breast carcinoma developed multiple, scaly, rough papules and nodules restricted to treatment fields six months after completion of the treatment. A relapse of the breast cancer and/or seborrheic keratosis was ruled out by histological confirmation of verruca vulgaris.

CONCLUSION

We report the first case of verruca vulgaris associated with radiation treatment. Radiotherapists and dermatologists should be aware of this possibility and be able to differentiate it from other skin lesions associated with irradiation.