title: Erythema elevatum diutinum: an "idiopathic" case.
abstract: Erythema elevatum diutinum (EED) is a rare condition with an unclear pathogenesis. Initially classified within neutrophilic dermatoses, it is now considered as a leukocytoclastic vasculitis accordingly to its histopathologic pattern. Several clinical presentations as well as many associated diseases are reported in the literature. We report a new case of EED in a 58-year-old man who presented with a three-month history of plaques and nodules on the extensor surfaces of hands, elbows, knees, ankles, forearms, and buttocks. Histology showed a leucocytoclastic vasculitis, suggestive of the diagnosis of EED. Screening for an associated pathology, namely a paraproteinemia or a solid cancer, was negative. Treatment with dapsone leads to amelioration within few weeks.
authors.affiliation: Departement of Dermatology, Charles Nicolle Hospital, Tunis, Tunisia.
authors.forename: Nadia
authors.initials: N
authors.lastname: El Fekih
authors.forename: Ikram
authors.initials: I
authors.lastname: Belgith
authors.forename: Bécima
authors.initials: B
authors.lastname: Fazaa
authors.forename: Soumeya
authors.initials: S
authors.lastname: Remmah
authors.forename: Faten
authors.initials: F
authors.lastname: Zéglaoui
authors.forename: Rachida
authors.initials: R
authors.lastname: Zermani
authors.forename: Mohamed Ridha
authors.initials: MR
authors.lastname: Kamoun
mesh_terms: D000893:Anti-Inflammatory Agents / Q000627:therapeutic use*; D003622:Dapsone / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008875:Middle Aged; D018366:Vasculitis, Leukocytoclastic, Cutaneous / Q000188:drug therapy* / Q000473:pathology*
chemical_list: D000893:Anti-Inflammatory Agents; D003622:Dapsone