title: Cancer detection with TRUS-guided 10-core biopsy of the prostate. an institutional assessment at the first, repeated and surgical specimen biopsy.
abstract: OBJECTIVE
  We retrospectively investigated the results of the 10-core scheme that our institute has adopted for three years. The aim of this study is to evaluate the cancer detection rate in different sets of biopsies (first, second, third and surgical specimen biopsy).
  
  
  METHODS
  Patients with clinical suspicion of prostate cancer based on abnormal digital rectal examination, increase of PSA or hypoechoic lesion at transrectal ultrasound were subjected to a 10-core biopsy. Ten biopsies were taken following the traditional sextant technique and 4 more biopsies were obtained from the lateral peripheral zone. In addition, a group of 19 specimens of retropubic radical prostatectomy were biopsied immediately following surgery.
  
  
  RESULTS
  Of 664 patients 247 (37.2%) were positive for prostate cancer at first biopsy. Eighty-one out of 664 patients were subjected to a second biopsy for persistent elevation or increasing of PSA, or in case of tumor associated histological findings such as high PIN and ASAP. The cancer detection rate in this group was 19.8% (16/81). Of the remaining 65 patients who were negative at second biopsy, 12 received a third biopsy for persistent clinical suspect of cancer, and 2 were positive (16.7%). In 19 surgical specimens, 14 biopsies were confirmed positive and 5 were negative (73.7%).
  
  
  CONCLUSIONS
  The extended biopsy such as the 10-core scheme showed to be a reliable protocol, taking an adequate cancer detection rate either at first or repeated biopsy with no increase in morbidity.
authors.affiliation: Department of Urology, Galliera Hospital, Genoa, Italy. fabio.campodonico@galliera.it
authors.forename: Fabio
authors.initials: F
authors.lastname: Campodonico
authors.forename: Antonio
authors.initials: A
authors.lastname: Casarico
authors.forename: Lorenzo
authors.initials: L
authors.lastname: Gavazzi
authors.forename: Tiziana
authors.initials: T
authors.lastname: Calcagno
authors.forename: Giacomo
authors.initials: G
authors.lastname: Capponi
authors.forename: Giorgio
authors.initials: G
authors.lastname: Canepa
authors.forename: Roberto
authors.initials: R
authors.lastname: Bandelloni
authors.forename: Massimo
authors.initials: M
authors.lastname: Maffezzini
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001707:Biopsy, Needle / Q000379:methods*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011467:Prostate / Q000000981:diagnostic imaging* / Q000473:pathology*; D011471:Prostatic Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging* / Q000473:pathology*; D012189:Retrospective Studies; D014463:Ultrasonography