title: Focal arteries of the breast.
abstract: The fourth case of focal (isolated) arteritis of the breast is reported. The lesions, which may be unilateral or bilateral, presents as a painful or tender mass and has been confused clinically with carcinoma. Arteritis, either necrotizing or granulomatous, may occur as an isolated phenomenon restricted to a solitary organ; it does not necessarily imply concurrent or subsequent systemic vasculitis.
mesh_terms: D001167:Arteritis / Q000175:diagnosis* / Q000473:pathology; D001941:Breast Diseases / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D006801:Humans; D008875:Middle Aged