Étude comparée des résultats histologiques de résection et de biopsies de prostate [Comparative study of histological results between transuretral resection and biopsy cores of the prostate] - Université de Rennes Accéder directement au contenu
Article Dans Une Revue Progrès en Urologie Année : 2014

Étude comparée des résultats histologiques de résection et de biopsies de prostate [Comparative study of histological results between transuretral resection and biopsy cores of the prostate]

Résumé

PURPOSE: To evaluate the histological correlation between transuretral resection chips and biopsy cores within a population of patients who underwent resection of prostate (TURP) and prostate biopsies (BPx). PATIENTS AND METHODS: Clinical and tumoral data of 77 patients who had both procedures simultaneously or with a slight delay were collected. According to the presence of prostate cancer (Pca), 4 groups were defined: group 1 (TURP and BPx negative), group 2 (TURP positive, BPx negative), group 3 (TURP negative, BPx positive), group 4 (TURP and BPx positive). Means and proportions were compared using Anova and χ(2) test, respectively. RESULTS: The patients were older in groups 3 and 4 (79 and 76 respectively, P=0.65). The PSA was higher in the groups 3 and 4 (64 and 55 ng/mL) than the groups 1 and 2 (10.6 et 16 respectively, P=0.23). The number of positive biopsy was higher in the group 4 than the group 3 (5.6 vs. 4.6, P\textless0.0001), the chips were more invaded in the group 4 than the group 2 (41% vs. 11% P\textless0.0001), the Gleason score at TURP was higher in the group 4 than the group 2 (7.5 vs. 6.2 P\textless0.0001). CONCLUSION: Our study underlines that the Pca of transition and peripheral zones seems to have distinct characteristics. When chips of TURP and BPx were both invaded, it was due to an aggressive cancer. The decision to explore the peripheral zone in the case of positive TURP must take clinical context into consideration.
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Dates et versions

hal-01064849 , version 1 (17-09-2014)

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Citer

R. Mathieu, Y. Tibari, G. Verhoest, S. Vincendeau, A. Manunta, et al.. Étude comparée des résultats histologiques de résection et de biopsies de prostate [Comparative study of histological results between transuretral resection and biopsy cores of the prostate]. Progrès en Urologie, 2014, 24 (6), pp.374--378. ⟨10.1016/j.purol.2013.10.002⟩. ⟨hal-01064849⟩
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