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A member asked:
I have a pea sized bump on my mastoid process. it has been there for a year and the swelling goes up and down. what is causing it?
A doctor has provided 1 answer
?lymhnode: Have an exam. Some nodes can be chronically reactive over years. Blood counts, exams and if needed a biopsy can even be performed with chronicity. Best wishes. (did you ask this similar question before?)
Answered 9/28/2016
3.9k views
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