John Libbey Eurotext

European Journal of Dermatology


sQUIZ your Knowledge! A patch of blue-grey papules on the shoulder of an adolescent patient Volume 31, numéro 3, May-June 2021


  • Figure 1
Servicio de Dermatologia Hospital Universitario San Cecilio, Avda Conocimiento 33, 18016 Granada, Spain

An 18-year-old male patient with no relevant medical history was referred to our outpatient dermatologic clinic due to a lesion on his shoulder which had started 10 years ago. The lesion had progressed slowly and had enlarged from the outset, although the patient referred no symptoms. On clinical examination, a 6-cm-diameter plaque was observed on the left shoulder, composed of blue-greyish papules, brownish areas and white-yellowish nodules (figure 1A). The entire tumour was compact and indurated [...]