[Evaluation for clinical staging parameters of prostate neoplasm].
OBJECTIVE
To evaluate significance of clinical parameters in prostate cancer staging.


METHODS
One hundred and twelve patients of prostate cancer were diagnosed by transrectal ultrasound-guided prostate needle biopsies. These cases were staged by pathologic diagnosis, MRI and bone scan. Clinical significance of serum PSA, Gleason score of biopsy, percentage of positive biopsy cores in prostate cancer staging were evaluated.


RESULTS
Of 112 patients, 30.4% (34/112) underwent radical retropubic prostatectomy. The serum PSA, Gleason score of biopsy and percentage of positive biopsy cores, were significant correlation with staging prostate cancer (r = 0.698, r = 0.674, r = 0.671, P < 0.001), and no significant difference between staging B and staging C (chi 2 = 2.675, P = 0.096; chi 2 = 0.704, P = 0.401). PSA in patients with stage D had significant difference with others (chi 2 = 5.135, P = 0.023; chi 2 = 4.593, P = 0.032). The sensitivity, specificity and accuracy of PSA were 76.7%, 50.0% and 71.4% respectively. Those of Gleason score and percentage of positive biopsy cores were 83.3%, 77.3%, 82.1% and 77.8%, 54.5%, 73.2% respectively.


CONCLUSIONS
The serum PSA, Gleason score of biopsy and percentage of positive biopsy cores had clinical significance in the staging of prostate cancer. Gleason score of biopsy in staging was more accurate than that of the other two parameters and the serum PSA can better predict prostate cancer metastasis.
Department of Urology, Beijing Hospital, Beijing 100730, China.
Chen-Yang
CY
Zhong
Ming
M
Liu
Li-Qing
LQ
Zhang
Ben
B
Wan
D000368:Aged; D006801:Humans; D008297:Male; D008875:Middle Aged; D009367:Neoplasm Staging / Q000379:methods; D017430:Prostate-Specific Antigen / Q000032:analysis*; D011471:Prostatic Neoplasms / Q000473:pathology*
D017430:Prostate-Specific Antigen