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A 23-year-old female asked:

Why have my 17 month old son got a ball type lump in his neck and it moves like a ball?

1 doctor answer1 doctor weighed in
Dr. James Ferguson
Pediatrics 48 years experience
Likely a lymph node: There are many pea sized lymph nodes located in the tissues of the neck & they are prominent when they overly muscles. They can enlarge when stimulated by bug bites on the surrounding skin or illness or throat drainage. On rare occasion they can become infected by various germs & swell to the size of a walnut & need to be drained.Most settle down after 2-3 wks & resume their pre-stimulated size.
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Last updated Jul 12, 2018

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