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Histological bowel grade

 

The pathologist will determine the aggressiveness or grade of the tumour by comparing the microscopic features of the surgical specimen with an established classification system. These systems look at:

The glandular pattern of cells compared with the organ of origin -

The aggressiveness of the individual cells. If the cells are large, show features of dividing rapidly or are very dissimilar to those from its organ of origin they are usually classed as high grade. If small, look like they are not dividing rapidly and look similar to those from its origin they are usually be classed as low grade.