title: [Accuracy of CT-guided chest biopsy for benign lesions].
abstract: OBJECTIVE
  To demonstrate that CT-guided chest biopsy can effectively prevent surgery for patients with benign tumors.
  
  
  METHODS
  We present a cohort of patients who underwent CT-guided biopsy for a chest lesion where diagnosis could not be achieved through other means. The gold standard was defined, based on availability, by surgery or imaging and clinical follow-up over a 2-year period.
  
  
  RESULTS
  From a total of 114 biopsied lesions, 101 were malignant and 13 were benign. Sensitivity and specificity values for benign lesions were 92.1 and 92.3% respectively with PPV and NPV of 60 and 98.9%. Sensitivity and specificity values for malignant lesions were 86.1 and 100% respectively with PPV and NPV of 100 and 48%. No statistically significant correlation could be established between the groups with concordant and discordant results.
  
  
  CONCLUSIONS
  The diagnosis of specific benign lesion on CT-guided biopsy, all sizes and sites included, may effectively prevent unnecessary surgery.
authors.affiliation: Service de radiologie, CHU d'Annaba, 2 rue de Strasbourg, Annaba, Algéria. mnamouni@gmail.com
authors.forename: M
authors.initials: M
authors.lastname: Namouni
authors.forename: E
authors.initials: E
authors.lastname: Decullier
authors.forename: F
authors.initials: F
authors.lastname: Réty
authors.forename: S E
authors.initials: SE
authors.lastname: Bendib
mesh_terms: D001707:Biopsy, Needle / Q000379:methods; D005260:Female; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging* / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D015641:Radiography, Interventional; D012189:Retrospective Studies; D012680:Sensitivity and Specificity; D014057:Tomography, X-Ray Computed