From the Fundación Jiménez Díaz, Universidad Autónoma de Madrid, Spain. Drs. Haro, Juarez, Díaz, and Requena are from the Department of Dermatology, and Drs. Santonja and Manzarbeitia are from the Department of Pathology.
The authors report no conflict of interest.
Correspondence: Luis Requena, MD, Department of Dermatology, Fundación Jiménez Díaz, Avenida Reyes Católicos 2, 28040 Madrid, Spain (lrequena@fjd.es).
In summary, we report an example of regional LyP limited to the left breast of a woman with a history of partial mastectomy and adjuvant radiotherapy for treatment of invasive ductal breast carcinoma. It is a rare case of regional LyP exclusively involving an irradiated area of the skin.