John Libbey Eurotext

European Journal of Dermatology


sQUIZ your knowledge! Long-standing annular lesions in a young man Volume 28, numéro 1, January-February 2018


  • Figure 1
1 Department of Dermatology, Department of Dermatology, Centro Hospitalar de Lisboa Central, Alameda Santo António dos Capuchos, Lisbon, Portugal
2 Department of Dermatology, Hospital de Santo António dos Capuchos Centro, Hospitalar de Lisboa Central, Lisbon, Portugal

A 24-year-old Caucasian male presented with a three-year history of slowly enlarging, mildly pruritic, polycyclic plaques with an infiltrated rim on the forearms, buttocks, and thighs (figure 1A, B). On closer inspection, fine scaling was observed on the advancing edge (figure 1C). A skin biopsy showed perivascular and periadnexal lymphocytic infiltrates (figure 1D) with an acanthotic epidermis, parakeratosis, pitiriasiform vesiculation, and scant spongiosis (figure 1E). Laboratory, imaging, and [...]