Home Survivor Stories Gleason Rating


“…..The Gleason grading system accounts for the five distinct patterns that prostate tumor cells tend to go through as they change from normal cells. The scale runs from 1 to 5, where 1 represents cells that are very nearly normal, and 5 represents cells that don’t look much like prostate cells at all. After examining cells under a microscope, the pathologist assigns one Gleason grade to the most common pattern and a second Gleason grade to the next most common pattern. The two grades are added, and your Gleason score, or sum, is determined. Generally speaking, the Gleason score tends to predict the aggressiveness of the disease and how it will behave in your body. The higher the Gleason score, the less the cells behave like normal cells and the more aggressive the tumor tends to be….” (Prostate Cancer Foundation – Pg. 10, 11) 

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My Gleason 8 reading in one core shook me considerably because at that level there is real sense of urgency to getting the best possible treatment. After the radical prostatectomy the final determination was a Gleason 7 – small consolation!

James F. Girand