title: [Needle biopsy in diagnosing primary mediastinal tumors].
abstract: OBJECTIVE
  To assess the potential of biopsies with the thick cutting needle of anterior mediastinum tumor.
  
  
  METHODS
  Biopsy with the use of the thick cutting needle (Baxter Healthcare Corporation, length 150 mm, thickness 2.5 mm, length of the cutting channel 20 mm) of a primary mediastinal tumor was made in 12 patients.
  
  
  RESULTS
  The findings were the following: 8 cases of primary mediastinal B-cell lymphosarcoma, 1 case of T-cell lymphosarcoma with involvement of the mediastinum, 2 cases of thymic carcinoma, 1 case of pituitary tumor. Mediastinal puncture was controlled by ultrasound which secured accurate position of the needle and safe conduction of the puncture.
  
  
  CONCLUSIONS
  Puncture biopsy with the thick cutting needle of anterior mediastinum tumor provides short duration of the diagnostic process and correction of the treatment policy.
authors.forename: V S
authors.initials: VS
authors.lastname: Shavlokhov
authors.forename: B T
authors.initials: BT
authors.lastname: Dzhsmabaeva
authors.forename: A A
authors.initials: AA
authors.lastname: Shevelev
authors.forename: I B
authors.initials: IB
authors.lastname: Kaplanskaia
authors.forename: S R
authors.initials: SR
authors.lastname: Karagiulian
authors.forename: I V
authors.initials: IV
authors.lastname: Efimov
mesh_terms: D001707:Biopsy, Needle; D006801:Humans; D008479:Mediastinal Neoplasms / Q000145:classification / Q000175:diagnosis* / Q000473:pathology; D014057:Tomography, X-Ray Computed