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Grades of eye cancer
Grading is a way of classifying eye cancer cells based on their appearance and behaviour when viewed under a microscope. To find out the grade of a tumour, the biopsy sample is examined under a microscope. A grade is given based on how the cancer cells look and behave compared with normal cells (differentiation). This can give the healthcare team an idea of how quickly the cancer may be growing and how likely it is to spread.
The grade of eye cancer is based on the degree of differentiation of cells and their rate of growth.
well differentiated or low grade – slow growing, less likely to spread
moderately well differentiated or moderate grade
poorly differentiated – tend to grow quickly, more likely to spread
undifferentiated or high grade – tend to grow quickly, more likely to spread
Grading plays an important part in planning eye cancer treatment and can also be used to help estimate the prognosis (future outcome).
Clinical trial discovery improves quality of life
A clinical trial led by the Society’s NCIC Clinical Trials group found that men with prostate cancer who are treated with intermittent courses of hormone therapy live as long as those receiving continuous therapy.