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Critical issues in grading of adenocarcinomas of the prostate
Professor of Pathology, Urology and Oncology, The Johns Hopkins Hospital, Baltim
Jun  1997 (Vol.  4, Issue  21, Pages( 28 - 33)


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  • This article reviews the Gleason grading system and compares it to some of the other commonly used grading systems. Issues concerning both intra-and interobserver reproducibility of the Gleason grading system are presented. This article provides an in-depth analysis of the correlation between biopsy and radical prostatectomy Gleason score. New data from a study performed at Johns Hopkins Hospital provides reasons for discrepant grading between biopsy and a resection specimen. Finally, the prognostic capabilities of the Gleason grading system as it relates to radical prostatectomy, needle biopsy, and transurethral resection are discussed.