2000
DOI: 10.1097/00005392-200001000-00041
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The Percent of Cores Positive for Cancer in Prostate Needle Biopsy Specimens Is Strongly Predictive of Tumor Stage and Volume at Radical Prostatectomy

Abstract: The percent of needle biopsy cores and surface area positive for cancer are the strongest predictors of pathological stage and tumor volume on multivariate analysis incorporating preoperative serum PSA and Gleason score.

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Cited by 51 publications
(77 citation statements)
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“…A recent study which looked at the current trends in visually estimated tumor volume found a rising incidence of very low volume (0-1%) tumors in radical prostatectomy specimens (Green et al, 2012). In needle biopsies, the number of positive cores and percentage of tumor in each core are very strong predictors of adverse prognostic features in radical prostatectomy specimens (Sebo et al, 2000;Freedland et al, 2002;2003).…”
Section: Discussionmentioning
confidence: 99%
“…A recent study which looked at the current trends in visually estimated tumor volume found a rising incidence of very low volume (0-1%) tumors in radical prostatectomy specimens (Green et al, 2012). In needle biopsies, the number of positive cores and percentage of tumor in each core are very strong predictors of adverse prognostic features in radical prostatectomy specimens (Sebo et al, 2000;Freedland et al, 2002;2003).…”
Section: Discussionmentioning
confidence: 99%
“…4 However, other studies found that the percentage of cores positive was a stronger predictor of PSA recurrence than was the percentage of biopsy tissue with carcinoma among intermediate-risk patients. 22,23 Moreover, not all pathologists report the percentage of tissue with carcinoma in their reports. Thus, Table 5 provides significant stratification for PSA recurrence using readily available clinical information that can be used by both patients and clinicians.…”
Section: Discussionmentioning
confidence: 99%
“…Alguns resultados semelhantes aos nossos foram observados por outros autores, que utilizaram a percentagem de biópsias positivas como um dos parâmetros de estudo para melhorar o estagiamento clínico 11,20,21 . Algumas diferenças numéricas baseiam-se, possivelmente, no tamanho da nossa amostra.…”
Section: Discussionunclassified
“…Vários autores têm tentado quantificar, de diversas maneiras, os dados da biópsia prostática, na tentativa de identificar achados pré-operatórios que possam ajudar a diminuir o subestagiamento e prever extensões extracapsulares ou falha biológica. Estas biópsias, quando adequadamente realizadas, são fonte de inúmeras informações, pois podem ser usadas para o estudo da cápsula, tecidos periprostáticos, espaços perineurais, quantificação de tumor nos fragmentos, podendo estimar, com isto, a multifocalidade, o volume do tumor e a extensão extraprostática [9][10][11][12][13][14][15][16] . Observamos que existem controvérsias na literatura sobre o real valor da biópsia sistemática sextante na previsão de doença intra ou extraprostática, porém, constatamos um potencial clínico para a utilização da RESULTADOS.…”
Section: Introductionunclassified