About MCL
About MCL

Mantle cell lymphoma (MCL) is a cancer that starts in B cells — a type of white blood cell that forms in the bone marrow.

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B cells form in the bone marrow and are released into the bloodstream to help the body fight off germs. B cells pass through the lymphatic system, which includes the lymph nodes and spleen.

 

With MCL, too many abnormal B cells are created, which crowd out other healthy cells made in the bone marrow, like red blood cells and platelets. This is what can lead to symptoms like feeling tired or getting sick more often.