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A 25-year-old female asked:

Rock hard, pea sized non tender non movable bump over mastoid bone behind left ear. been there for 3 months does not change in size? concern?

1 doctor answer1 doctor weighed in
Dr. Katharine Cox
Pediatric Emergency Medicine 47 years experience
Follow: Likely a safe lymph node or if non mobile a small bone. It is tiny and non mobile and does not change. A US may be able to define it further but I'd doesn't sound bad. All the best.
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Last updated Aug 27, 2016


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