title: Placental site trophoblastic tumor presenting with a pneumothorax during pregnancy.
abstract: BACKGROUND
  Placental site trophoblastic tumor is a rare form of gestational trophoblastic disease that commonly presents with vaginal bleeding and amenorrhea after pregnancy.
  
  
  METHODS
  A women with a normal gestation at 37 weeks presented with a pneumothorax. The patient underwent placement of a chest tube and a subsequent thoracoscopic pulmonary bullous resection for persistence of the pneumothorax. Histological examination of the specimen revealed a metastatic placental site trophoblastic tumor.
  
  
  CONCLUSIONS
  Gestational trophoblastic disease must be considered in the differential diagnosis of pneumothorax during pregnancy.
authors.affiliation: Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, Missouri 63110, USA. herzogt@msnotes.wustl.edu
authors.forename: Jason D
authors.initials: JD
authors.lastname: Wright
authors.forename: Matthew A
authors.initials: MA
authors.lastname: Powell
authors.forename: Neil S
authors.initials: NS
authors.lastname: Horowitz
authors.forename: Phyllis C
authors.initials: PC
authors.lastname: Huettner
authors.forename: Frances
authors.initials: F
authors.lastname: White
authors.forename: Thomas J
authors.initials: TJ
authors.lastname: Herzog
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007044:Hysterectomy; D007150:Immunohistochemistry; D008175:Lung Neoplasms / Q000378:metabolism / Q000556:secondary* / Q000601:surgery; D009361:Neoplasm Invasiveness; D011013:Pneumonectomy; D011030:Pneumothorax / Q000209:etiology*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology*; D011263:Pregnancy Trimester, Third; D018245:Trophoblastic Tumor, Placental Site / Q000175:diagnosis* / Q000378:metabolism / Q000556:secondary / Q000601:surgery; D014594:Uterine Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000473:pathology