A 45-year-old woman with no previous pathological history of any kind consulted us for skin lesions on the trunk, which had started on the back and extended to the left breast. Dermatological examination revealed three skin lesions on the back, in the form of plaques, the largest of which was located on the left lumbar region and measured 6 centimetres in diameter. The other two were located on the middle dorsal region and measured 2 centimetres in diameter, as well as on the left breast....