lymphocytes

Tumour infiltrating lymphocytes

Tumour infiltrating lymphocytes (TILs) are immune cells (typically T cells) that gather around or inside a tumour. TILs are important because they can kill cancer cells and prevent the disease from spreading to other parts of the body. Immune checkpoint inhibitors (such as PD-L1 inhibitors) work by preventing cancer cells from blocking the natural activity …
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Lymphocytosis

What is lymphocytosis? Lymphocytosis is a word pathologists use to describe an increased number of specialized immune cells called lymphocytes either in the blood or inside an organ. Organs that commonly show lymphocytosis include the stomach, small bowel, and colon. Lymphocytes normally help the body fight off infections caused by viruses and bacteria. However, increased …
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