title: A painful blue nodule on the dorsum of the hand.
authors.affiliation: University of Alberta, Edmonton.
authors.forename: Jaggi
authors.initials: J
authors.lastname: Rao
authors.forename: Mitchel P
authors.initials: MP
authors.lastname: Goldman
mesh_terms: D000368:Aged; D000783:Aneurysm / Q000473:pathology* / Q000503:physiopathology*; D003937:Diagnosis, Differential; D006225:Hand / Q000098:blood supply*; D006801:Humans; D008297:Male; D010146:Pain / Q000503:physiopathology; D014680:Veins