Can a thyroid enlargement impinge upon your nerves and cause neck pain?

Possible, but. Unlikely. Have a checkup with your doctor if you have neck pain.
Anything is possible. But rather than speculate, go see your doctor for an evaluation and appropriate imaging eg xrays of neck vs ultrasound of thyroid or both depending upon findings.
Possible. But get it checked by your doctor as investigations will be required to rule it in or out.

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What kind of physical exam is done from a pain management doctor for neck pain? What causes nerve impingement in the neck? Please help and explain

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