Gleason grade


Glea·​son grade ˈglē-sᵊn- How to pronounce Gleason grade (audio)
: a grade given to each of the two most prevalent patterns of cancer cells in tissue obtained from biopsy of a prostate tumor that is based on a scale of 1 to 5 with 1 to 3 corresponding to well-differentiated cancer cells similar in appearance to normal cells in surrounding tissue and 4 to 5 corresponding to poorly differentiated cancer cells that look abnormal

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Cite this Entry

“Gleason grade.” Medical Dictionary, Merriam-Webster, Accessed 23 May. 2024.

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