title: Recurrent spontaneous breast hematoma: report of a case and review of the literature.
abstract: BACKGROUND
  Breast hematomas are common after traumas, surgeries, or contusions. They are rarely spontaneous, but they can occur spontaneously in patients with hematologic disease or with coagulation disorders.
  
  
  METHODS
  The authors report a clinical case of a 48-year-old female with a 27-year history of paroxysmal nocturnal hemoglobinuria who underwent mammography screening because of a painless palpable moveable node in the upper inner quadrant of the right breast.
  
  
  RESULTS
  Mammography showed a partially defined heterogeneous node of 35 mm without microcalcifications in the upper inner quadrant of the right breast which, associated with the clinical features, seemed to be an hematoma. Further mammography and ultrasound after 45 days showed retrocession of the lesion, and another mammography obtained after 60 days was normal. Seventy-five days after the first episode, the patient complained of another node with a skin bruise in the upper outer quadrant of the same breast, which seemed to be a recurrent hematoma. Two months later the mammography obtained was normal.
  
  
  CONCLUSIONS
  Breast hematoma must be thought of as a differential diagnosis for a breast node, regardless of previous trauma or hematologic disorders.
authors.affiliation: Discipline of Radiology, Federal University of Paraná.
authors.forename: M S
authors.initials: MS
authors.lastname: Kanegusuku
authors.forename: D
authors.initials: D
authors.lastname: Rodrigues
authors.forename: L A
authors.initials: LA
authors.lastname: Urban
authors.forename: A B
authors.initials: AB
authors.lastname: Romanus
authors.forename: R P
authors.initials: RP
authors.lastname: Pimenta
authors.forename: M G
authors.initials: MG
authors.lastname: de Assis
authors.forename: K A
authors.initials: KA
authors.lastname: Ferrari
mesh_terms: D001941:Breast Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005260:Female; D006406:Hematoma / Q000175:diagnosis*; D006801:Humans; D008327:Mammography; D008875:Middle Aged; D012008:Recurrence