Pediatric Conditions and Diseases

What could a small hard bump on a 2-year-old's occipital ridge behind the left ear be It is not painful or discolored There is not one on the right side?

Answer

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11/20/2014

A small, painless bump behind the ear of a child can be many different things. Some causes of this include mastoiditis, dermatitis, swollen lymph nodes, sebaceous cysts, cancers, and parasitic infections.