title: Clusters of Painful Blue Papules.
authors.affiliation: Division of Vascular Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
authors.forename: Dustin Y
authors.initials: DY
authors.lastname: Yoon
authors.affiliation: Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
authors.forename: Melanie A
authors.initials: MA
authors.lastname: Clark
authors.affiliation: Division of Vascular Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
authors.forename: Heron E
authors.initials: HE
authors.lastname: Rodriguez
mesh_terms: D000328:Adult; D001706:Biopsy; D003937:Diagnosis, Differential; D005260:Female; D005918:Glomus Tumor / Q000175:diagnosis*; D006801:Humans; D010236:Paraganglioma, Extra-Adrenal / Q000175:diagnosis*; D012867:Skin / Q000473:pathology*; D012878:Skin Neoplasms / Q000175:diagnosis*