title: [Primary leiomyosarcoma of pulmonary artery: a rare tumor mis-diagnosed as pulmonary embolism].
abstract: BACKGROUND
  Primary leiomyosarcoma of the pulmonary artery is an extremely rare tumor that is frequently misdiagnosed as chronic pulmonary embolism.
  
  
  METHODS
  We describe a new case and discuss diagnosis criteria, especially thanks to modern imaging techniques. A sarcomatous disease should be ruled out, if obliteration progress or is stable, on serial RMI or CT scans images, despite effective anti-coagulation treatment.
  
  
  CONCLUSIONS
  An early identification and aggressive medical and surgical intervention has the potential for long-term survival.
authors.affiliation: Département de cancérologie générale, centre Oscar-Lambret, Lille, France.
authors.forename: V
authors.initials: V
authors.lastname: Lecoeuvre
authors.forename: N
authors.initials: N
authors.lastname: Penel
authors.forename: D
authors.initials: D
authors.lastname: Grandmougin
authors.forename: S
authors.initials: S
authors.lastname: Taieb
authors.forename: S
authors.initials: S
authors.lastname: Aubert
authors.forename: E
authors.initials: E
authors.lastname: Lartigau
mesh_terms: D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007890:Leiomyosarcoma / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D011379:Prognosis; D011651:Pulmonary Artery / Q000473:pathology*; D011655:Pulmonary Embolism / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed; D019043:Vascular Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery