title: Cutaneous Nodules and Erythematous Plaques on the Extremities.
authors.affiliation: The PhD Program in Clinical and Translational Science, Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy.
authors.forename: Cristian
authors.initials: C
authors.lastname: Scatena
authors.affiliation: Division of Dermatology, Department of Surgery and Translational Medicine, University of Florence, Florence, Italy.
authors.forename: Vieri
authors.initials: V
authors.lastname: Grandi
authors.affiliation: Centro Traumatologico Ortopedico, Department of Orthopaedic Oncology and Reconstructive Surgery, University Hospital Careggi, Florence, Italy.
authors.forename: Giovanni
authors.initials: G
authors.lastname: Beltrami
mesh_terms: D001706:Biopsy; D005076:Exanthema / Q000175:diagnosis / Q000209:etiology*; D005121:Extremities; D006801:Humans; D008297:Male; D010488:Polyarteritis Nodosa / Q000175:diagnosis*; D012867:Skin / Q000473:pathology*; D055815:Young Adult