Archivio italiano di urologia, andrologia : organo ufficiale [di] Societa italiana di ecografia urologica e nefrologica · 2013
Widespread high grade prostatic intraepithelial neoplasia on biopsy predicts the risk of prostate cancer: a 12 months analysis after three consecutive prostate biopsies.
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De Nunzio Cosimo, Albisinni Simone, Cicione Antonio, Gacci Mauro, Leonardo Costantino, Esperto Francesco, Tubaro Andrea
Аннотация
PURPOSE: To evaluate the risk of prostate cancer (PCa) on a third prostate biopsy in a group of patients with two consecutive diagnoses of high grade intraepithelial neoplasia (HGPIN).
MATERIALS AND METHODS: From November 2004 to December 2007, patients referred to our clinic with a PSA ! 4 ng/ml or an abnormal digital rectal examination (DRE) were scheduled for trans-rectal ultrasound (TRUS) guided 12-core prostate biopsy. Patients with HGPIN underwent a second prostate biopsy, and if the results of such procedure yielded a second diagnosis of HGPIN, we proposed a third 12-core needle biopsy regardless of PSA value. Crude and adjusted logistic regressions were used to assess predictors of PCa on the third biopsy.
RESULTS: A total of 650 patients underwent 12 cores transrectal ultrasound prostatic biopsy in the study period. Of 147 (22%) men with a diagnosis of HGPIN, 117 underwent a second prostatic biopsy after six months and 43 a third biopsy after other six months. After the third biopsy, 19 patients (34%) still showed HGPIN, 15 (35%) were diagnosed with PCa and 9 (21%) presented with chronic prostatitis. Widespread HGPIN on a second biopsy was significantly associated with PCa on further biopsy (!2 = 4.04, p = 0.04). Moreover, the presence of widespread HGPIN significantly predicted the risk of PCa on crude and adjusted logistic regressions.
CONCLUSIONS: Widespread HGPIN on second biopsy is associated with the presence of PCa on a third biopsy. Nonetheless, the relationship between HGPIN and PCa remains complex and further studies are needed to confirm our findings.
MATERIALS AND METHODS: From November 2004 to December 2007, patients referred to our clinic with a PSA ! 4 ng/ml or an abnormal digital rectal examination (DRE) were scheduled for trans-rectal ultrasound (TRUS) guided 12-core prostate biopsy. Patients with HGPIN underwent a second prostate biopsy, and if the results of such procedure yielded a second diagnosis of HGPIN, we proposed a third 12-core needle biopsy regardless of PSA value. Crude and adjusted logistic regressions were used to assess predictors of PCa on the third biopsy.
RESULTS: A total of 650 patients underwent 12 cores transrectal ultrasound prostatic biopsy in the study period. Of 147 (22%) men with a diagnosis of HGPIN, 117 underwent a second prostatic biopsy after six months and 43 a third biopsy after other six months. After the third biopsy, 19 patients (34%) still showed HGPIN, 15 (35%) were diagnosed with PCa and 9 (21%) presented with chronic prostatitis. Widespread HGPIN on a second biopsy was significantly associated with PCa on further biopsy (!2 = 4.04, p = 0.04). Moreover, the presence of widespread HGPIN significantly predicted the risk of PCa on crude and adjusted logistic regressions.
CONCLUSIONS: Widespread HGPIN on second biopsy is associated with the presence of PCa on a third biopsy. Nonetheless, the relationship between HGPIN and PCa remains complex and further studies are needed to confirm our findings.