[Incidence and pathological features of incidental prostate cancer and clinical significance thereof].

Objective: To investigate the morbidity and pathological features of incidental prostate cancer and their clinical significance.

Methods: 1483 prostate specimens obtained during operation, including transurethral resection of prostate (TURP) and total resection of the prostate, for the diagnoses of benign prostatic hypertrophy (BPH) or bladder cancer between January 1999 and August 2005 underwent pathological examination and 34beta12 and p63 immunohistochemical staining so as to detect incidental prostate cancer. The volume of incidental prostate cancer was calculated by the image analysis system.

[Ultrasound guided percutaneous puncture and sclerotherapy with alcohol for peripelvic cysts].

Objective: To summarize the experience of ultrasound guided percutaneous aspiration and sclerotherapy for peripelvic cysts and investigate the clinical effect.

Methods: A total of 169 cases of peripelvic cyst patients were evaluated, of whom 36 cases (21.3%) had hydronephrosis secondary to peripelvic cysts, 8 cases (4.

[Seminiferous tubule scores used for quantitative assessment of spermatogenic function of patients with azoospermia].

Objective: To investigate the clinical reliability of quantitative evaluation by seminiferous tubule scores on spermatogenesis dysfunction, using the testis tissues of azoospermia patients for analysis of histological changes.

Methods: One hundred and twelve Chinese patients with azoospermia underwent open testicular biopsy and their testicular biopsy specimens were evaluated by 10-score (on testicular biopsy) and 5-Grade (on seminiferous tubule spermatogenesis) scale. The 112 patient, 22 to 46 years old [(29.

[Further studies on the relationship between benign prostatic hyperplasia and prostatitis].

Benign prostatic hyperplasia(BPH) and prostatitis are two common diseases in aging men. In recent years, the study of correlation between these two diseases has been paid more and more attention to. Some researchers presumed that inflammation is one of the most important causations of BPH, however, it is not profound enough on this etiologic hypothesis at present.

[Use of biopsy results to predict capsular perforation and seminal vesicle invasion in prostate cancer].

Objective: To determine the ability of clinical tests to predict extraprostatic cxtension and seminal vesicle invasion.

Methods: Clinical T stage, TPSA total prostate specific antigen and pathologic features in systematic biopsy specimens were correlated with pathologic stage in 40 consecutive patients with clinically localized prostate cancer detected by systematic needle biopsies and treated with radical prostatectomy.

Results: Extraprostatic extension was observed in 20 patients (50%) and seminal vesicle invasion was noted in 11(28%).

[Multivariate analysis of recurrence in T1 bladder transitional cell carcinoma].

Objective: To investigate the prognostic value of some clinicopathologic indexes and biologic tumor markers in predicting recurrence in T1 transitional cell carcinoma (TCC) of the bladder.

Methods: The expressions of p53, E-cadherin and VEGF of 75 patients with T1 primary bladder TCC were detected by streptabitin peroxidase (SP) immunohistochemical methods. The effects of clinicopathologic indexes and biologic tumor markers on recurrence were assessed by Kaplan-Meier and Cox proportional hazards model.

[Gleason scores of prostate needle biopsy specimens and of radical prostatectomy specimens, a comparative study].

Objective: To compare the Gleason scores of the prostate needle biopsy specimens with those of the radical prostatectomy specimens.

Methods: Gleason scoring was made on the needle biopsy specimens from 40 patients with prostate carcinoma and then on the radical prostatectomy specimens from the same patients. The Gleason scores of the two sets of matched specimens were compared.