Gleason score(redirected from Gleason system)
Glea·son tu·mor grade(glē'sŏn),
a classification of adenocarcinoma of the prostate by evaluation of the pattern of glandular differentiation; the tumor grade, known as Gleason score, is the sum of the dominant and secondary patterns, each numbered on a scale of 1 to 5.
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Gleason scoreOncology A value derived from the Gleason grading system which is the sum of the 2 most predominant histologic patterns seen in prostate CA.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
Gleason scoreA method of grading malignancy of prostate cancers, based on the pattern of glandular differentiation. Both the dominant and secondary patterns of differentiation are scored on a scale of 1 to 5, and the Gleason score, is the sum of the two scores.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
Gleason,Donald F., U.S. pathologist, 1920–.
Gleason tumor grade - a classification of adenocarcinoma of the prostate.
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