If you have asked yourself at least once, Why is my armpit itchy?, it may be concerning to know that it can be a sign of cancer. Generally, two types of cancer can cause itchiness: Lymphoma and Inflammatory Breast Cancer.
Lymphoma
Lymphoma is the cancer of the lymphatic system, the network of nodes throughout the body that is a crucial part of our immune system.
There are two primary types of lymphoma: Hodgkin’s lymphoma and Non-Hodgkin’s. In both cancers, the lymphocytes (a type of white blood cell) grow out of control and cause swelling throughout the body. If doctors find the abnormal cell (Reed-Sternberg cell), then it’s Hodgkin’s. If the abnormal cells are absent, then it’s non-Hodgkin’s.
Regardless of type, both can cause itchy skin, including the skin in the armpits.
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