title: Clinical images: blue-purple ears.
authors.affiliation: University Medical Center Groningen, Groningen, The Netherlands.
authors.forename: H A
authors.initials: HA
authors.lastname: Martens
authors.forename: M
authors.initials: M
authors.lastname: Bijl
mesh_terms: D000368:Aged; D001706:Biopsy; D001853:Bone Marrow / Q000473:pathology; D003449:Cryoglobulinemia / Q000150:complications* / Q000209:etiology / Q000473:pathology; D003490:Cyanosis / Q000175:diagnosis* / Q000209:etiology* / Q000473:pathology; D003937:Diagnosis, Differential; D004431:Ear, External / Q000473:pathology*; D005260:Female; D006801:Humans; D009101:Multiple Myeloma / Q000150:complications* / Q000175:diagnosis; D011928:Raynaud Disease / Q000175:diagnosis / Q000473:pathology