Skip to Content
Medical Term:

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.

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.