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Gleason score
(redirected from Gleason system)

   Also found in: Wikipedia 0.01 sec.
Gleason score
Oncology A value derived from the Gleason grading system which is the sum of the 2 most predominant histologic patterns seen in prostate CA


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The Gleason system uses a score of two to 10 to analyze a tumor; a score between eight and 10 suggests an aggressive, fast-growing tumor that's probably spread beyond the prostate gland.
The most critical threshold in the Gleason system is in the recognition of patterns 4 and 5.
 
 
 
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