A member asked:

What causes a lymph-node on your mastoid bone to stay enlarged for years?

A doctor has provided 1 answer
Dr. Michael Miller answered

Specializes in Wound care

Unlikely: Lymphatic system absorbs/carries things too big to go into arteries/veins like bacteria eaten by white cells and digested food. Lymph nodes "taste" lymph for bacteria/viruses/cancers, etc. When it detects a problem, it alerts the immune system and your body reacts.They enlarge in response to the inflammation they create when they react. They shrink when all is well. Persistence mandates evaluation.

Answered 6/16/2013

5.1k views

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