NCCN Guidelines for Patients
Hodgkin Lymphoma, Version 1.2015
Hodgkin lymphoma basics
What is the lymphatic system?
turns food into a liquid. Then, the liquid drains into
your small intestine. Within your small intestine, fat
and some vitamins are absorbed into lymph vessels.
This fatty lymph, called chyle, travels in lymph vessels
to the bloodstream
As lymph travels, it will pass through and be filtered
by lymph nodes. Lymph nodes are organized masses
of lymphoid tissue. There are hundreds of lymph
nodes throughout your body.
See Figure 1.1.
numbers of lymph nodes exist in the middle of your
chest, neck, armpit, groin, pelvis, and along your gut.
Lymph nodes and other lymphoid tissue are
defined by high numbers of white blood cells
called lymphocytes. Lymph also has lymphocytes.
Lymphocytes help fight germs. The three types of
lymphocytes are NK (
iller) cells, B-cells, and
T-cells. Lymphocytes are made in bone marrow then
are moved by blood to the lymphatic system.
Other parts of your body that have many lymphocytes
are included in the lymphatic system. In children,
the thymus stores T-cells until they are able to fight
germs. Germs in blood are filtered and destroyed
by lymphocytes within your spleen. Your tonsils kill
germs in lymph that enter through your mouth and
nose. There are also small clumps of lymphatic tissue
in your gut, thyroid, breasts, lungs, eyes, and skin.
The lymphatic system kills germs
in the body and collects and
transports a fluid called lymph to
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