John Libbey Eurotext

European Journal of Dermatology


sQUIZ your knowledge: Brown macules over spinous processes of the back Volume 27, numéro 5, September-October 2017


  • Figure 1
Dermatology Department, Complejo Hospitalario Universitario de Pontevedra, EOXI Pontevedra-Salnés, Pontevedra, Spain

An otherwise healthy 17-year-old woman presented with a six-month history of persistent and pruritic lesions on her lower back. Physical examination showed well-circumscribed, brownish-black pigmented patches overlying the protuberant spinous processes of lower thoracic and lumbar vertebrae (figure 1A). The patient was a student with a lean body and she spent most of her time lying or sitting down against a rigid backrest. No other abnormalities were found and no other triggers were identified.A [...]