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A 29-year-old female asked about a male:

My 4+ yrs old son got a hard lump on his left back side of da head.its immobile, painless nd feels like bone.i want to know details about what it cud b?

1 doctor answer2 doctors weighed in
Dr. James Ferguson
Pediatrics 46 years experience
Usually is: Lymph nodes are located throughout the body & generally noticable in exposed areas like the neck. They are usually pea sized at rest and enlarged when stimulated by bug bites, dermatitis, drainage or infection. They rarely can become damaged by infection & grow to golf ball size & need drainage or removal. Most enlarge and later shrink back down within a 3 wk cycle unless chronically stimulated.

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Last updated Nov 28, 2017

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