A member asked:

Knot on mastoid process bonbehindeear no other symptoms 31 yr old female been there month or 2 could it be serious or should i worry hasnt got bigger?

A doctor has provided 1 answer

This is a common: Area for a cyst or an enlarged lymph node. If it is not tender and you have no ear or scalp issues it is more likely a cyst. You probably should have it looked at by your family doctor.

Answered 10/23/2013

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