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Too small to be “real hernia” …. ultrasound vs MRI?
To answer your question directly – yes, 4 mm is really too small to be a groin hernia. I have seen very small symptomatic hernias at the umbilicus (belly button) but not in the groin, and I would seriously doubt ultrasound could pick up a small hernia that size.
I hope that helps.
Dr. Andrew Lederman
