Lymph nodes are part of your immune system.
They contain specific types of cells which help your body fight off infections.
Groups of lymph nodes are found in lots of different parts of your body.
In Castleman disease, the number of cells in a lymph node increase because the cells multiply more than normal.
This causes the lymph node to
It also causes changes in the lymph node structure
These can only be seen using a
Castleman disease behaves like cancers of the lymph nodes known as
However, it is important to know that Castleman disease is not a cancer, and it is treated differently. However, Castleman disease can increase the risk of developing some types of cancer.