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Gleason tumor grade

Pronunciation: gle'son

Definition: 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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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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