title: [Low grade pulmonary sarcoma preceding the discovery of a uterine primary].
abstract: BACKGROUND
  Low grade pulmonary sarcomas are very rare tumours. We report the case of a low grade sarcoma of the lung occurring two years prior to the finding of a uterine primary.
  
  
  METHODS
  Complete surgical excision of a low grade pulmonary sarcoma was performed. The initial search for dissemination was negative. Two years later a follow-up scan discovered a uterine mass as well as a para-aortic shadow that proved to be the primary tumour (low grade uterine sarcoma) and a metastasis.
  
  
  CONCLUSIONS
  This is the second case of a pulmonary metastasis discovered before a primary low grade uterine sarcoma. The first was found during the investigation of a pulmonary sarcoma. The main differential diagnosis to consider is metastatic leiomyosarcoma. In both cases their finding justifies the search for a uterine primary by immunohistochemical examination for oestrogen and progesterone receptors as well as pelvic ultrasound or even magnetic resonance imaging.
authors.affiliation: Clinique Pneumologique, Hôpital Charles Nicolle, CHU de Rouen.
authors.forename: E
authors.initials: E
authors.lastname: Staub
authors.forename: M-L
authors.initials: ML
authors.lastname: Ranty
authors.forename: A
authors.initials: A
authors.lastname: Genevois
authors.forename: M
authors.initials: M
authors.lastname: Debled
authors.forename: L
authors.initials: L
authors.lastname: Marpeau
authors.forename: C
authors.initials: C
authors.lastname: Peillon
authors.forename: G
authors.initials: G
authors.lastname: Nouvet
authors.forename: L
authors.initials: L
authors.lastname: Thiberville
mesh_terms: D000368:Aged; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis / Q000556:secondary* / Q000601:surgery; D012509:Sarcoma / Q000175:diagnosis / Q000473:pathology* / Q000556:secondary* / Q000601:surgery; D013997:Time Factors; D014594:Uterine Neoplasms / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery