Prognostic value of intraductal carcinoma of the prostate in radical prostatectomy specimens

The Prostate ◽  
2014 ◽  
Vol 74 (6) ◽  
pp. 680-687 ◽  
Author(s):  
Kyosuke Kimura ◽  
Toyonori Tsuzuki ◽  
Masashi Kato ◽  
Akiko M. Saito ◽  
Naoto Sassa ◽  
...  
2014 ◽  
Vol 105 (4) ◽  
pp. 163-171
Author(s):  
Naotaka Sakamoto ◽  
Tomoko Maki ◽  
Masakazu Kawano ◽  
Satoshi Kobayashi ◽  
Takeshi Kobayashi ◽  
...  

2014 ◽  
Vol 32 (4_suppl) ◽  
pp. 268-268
Author(s):  
Masashi Kato

268 Background: Intraductal carcinoma of the prostate (IDCP) is seen with widely invasive, biologically aggressive prostate cancer. A recent study has shown this morphologic pattern is useful for prognostication of biochemical recurrence after radical prostatectomy, whereas there is no paper to report biopsy finding of IDCP to be a positive predictor of progression-free survival (PFS) and cancer-specific survival (CSS). Methods: This retrospective study included men with high-risk prostate cancer treated with radical prostatectomy between 1991 and 2005, and we reviewed slides of biopsy samples. Presence of IDCP was defined using previously published diagnostic criteria by a single genitourinary pathologist. Analyzed factors included age, prostate-specific antigen (PSA), clinical T stage, higher biopsy Gleason score (bGS), presence of Gleason pattern five, and IDCP on biopsy samples. Finally, a total of 205 patients with high-risk prostate cancer were entered in our retrospective clinicopathological analysis. Results: Patient mean age was 68. Baseline characteristics included a PSA greater than 20 ng/ml at diagnosis in 122 cases (60%), clinical stage greater than T2 (cT) in 86 (42%), and bGS ³a8 in 150 (73%) in all patients. Follow-up period was 86 months on average. The presence of IDCP on needle biopsy was in 75 (37%). Forty-four patients showed clinical failure, and 20 patients died of the disease. Patients with IDCP showed a higher increased PSA level, higher increased bGS, and more advanced cT than those without IDCP (p < 0.0001). In univariate analysis, IDCP (p < 0.0001), cT (p < 0.0001), bGS (p = 0.0002), and presence of Gleason pattern five (p=0.004) were significantly associated with PFS; IDCP (p < 0.001) and cT (p = 0.02) were significantly associated with CSS. In multivariate analysis, IDCP (p< 0.0001; hazard ratio (HR), 3.574) and cT (p= 0.004; HR, 3.087) were significantly associated with PFS; IDCP (p = 0.001; HR, 8.405) and PSA level (p = 0.0044; HR, 2.920) were significantly associated with CSS. Conclusions: Presence of IDCP on needle biopsy can be a significant predictor of PFS and CSS when analyzing factors of biopsy samples in high risk prostate cancer.


2019 ◽  
Vol 37 (7_suppl) ◽  
pp. 123-123
Author(s):  
Sha Zhu

123 Background: Intraductal carcinoma of the prostate (IDC-P) is a biologically aggressive form of prostate cancer. We investigated the correlation between IDC-P in prostate biopsy samples (Pbx) and several pathological features after radical prostatectomy (RP), also its prognostic value in high-risk prostate cancer patients. Methods: Totally, 455 patients diagnosed with PCa during 2010 to 2017 in West China Hospital were included in this study. Chi-squared test and binary logistic regression were used in discovering the correlation between IDC-P and post-RP pathological features. Kaplan Meier curve, log-rank test, Cox’s proportional hazards model and C-index were applied in the investigation of the prognostic value of IDC-P on 418 high-risk patients. Results: The detection rate of IDC-P in Pbx is 7.91%. IDC-P was an independent predictor of SVI ( p= 0.014), EPE ( p< 0.001), cT stage ( p= 0.001), PSM of urethra end ( p= 0.042). Patients with IDC-P in PBx specimens manifested poorer BFS than those without IDC-P ( p< 0.001), and IDC-P pattern 2 (HR: 4.429, p= 0.020) was associated with worse prognosis than IDC-P pattern 1 (HR: 3.225, p= 0.047). Further analyses also demonstrated that the addition of IDC-P in several nomograms could improve their C-index. Conclusions: IDC-P is associated with several post-RP pathological features after radical prostatectomy. Also, IDC-P can effectively predict the patients’ BFS, and the addition of it can increase the C-index of several nomograms.


Cancers ◽  
2021 ◽  
Vol 13 (24) ◽  
pp. 6243
Author(s):  
Mame-Kany Diop ◽  
Roula Albadine ◽  
André Kougioumoutzakis ◽  
Nathalie Delvoye ◽  
Hélène Hovington ◽  
...  

Intraductal carcinoma of the prostate (IDC-P) is an aggressive subtype of prostate cancer strongly associated with an increased risk of biochemical recurrence (BCR). However, approximately 40% of men with IDC-P remain BCR-free five years after radical prostatectomy. In this retrospective multicenter study, we aimed to identify histologic criteria associated with BCR for IDC-P lesions. A total of 108 first-line radical prostatectomy specimens were reviewed. In our test cohort (n = 39), presence of larger duct size (>573 µm in diameter), cells with irregular nuclear contours (CINC) (≥5 CINC in two distinct high-power fields), high mitotic score (>1.81 mitoses/mm2), blood vessels, and comedonecrosis were associated with early BCR (<18 months) (p < 0.05). In our validation cohort (n = 69), the presence of CINC or blood vessels was independently associated with an increased risk of BCR (hazard ratio [HR] 2.32, 95% confidence interval [CI] 1.09–4.96, p = 0.029). When combining the criteria, the presence of any CINC, blood vessels, high mitotic score, or comedonecrosis showed a stronger association with BCR (HR 2.74, 95% CI 1.21–6.19, p = 0.015). Our results suggest that IDC-P can be classified as low versus high-risk of BCR. The defined morphologic criteria can be easily assessed and should be integrated for clinical application following validation in larger cohorts.


Sign in / Sign up

Export Citation Format

Share Document