title: Large Annular Plaque on the Arm of a Patient With Recurrent Headaches.
authors.affiliation: Faculty of Medicine, University of Concepción, Chile.
authors.forename: Felipe
authors.initials: F
authors.lastname: Partarrieu-Mejías
authors.affiliation: Faculty of Medicine, University of Concepción, Chile.
authors.forename: Fernanda
authors.initials: F
authors.lastname: Pérez-Velásquez
authors.affiliation: Dermatology Department, Guillermo Grant Benavente Regional Hospital, Concepción, Chile.
authors.forename: Rosario
authors.initials: R
authors.lastname: Alarcón-Cabrera
mesh_terms: D001132:Arm; D001707:Biopsy, Needle; D003937:Diagnosis, Differential; D005260:Female; D006101:Granuloma, Giant Cell / Q000175:diagnosis / Q000473:pathology*; D006261:Headache / Q000503:physiopathology*; D006801:Humans; D007150:Immunohistochemistry; D008875:Middle Aged; D035583:Rare Diseases; D012008:Recurrence; D017444:Skin Diseases, Papulosquamous / Q000175:diagnosis / Q000473:pathology*