Mayo Clinic Health Manager
Get free personalized health guidance for you and your family.
Get StartedWhy it's done
By Mayo Clinic staffYou may need to undergo an ultrasound for a variety of reasons. Ultrasound may be used, among other things, to:
- Evaluate a fetus
- Diagnose gallbladder disease
- Evaluate flow in blood vessels
- Guide a needle biopsy
- Guide the biopsy and treatment of a tumor
- Check your thyroid gland
- Study your heart
- Diagnose some forms of infection
- Diagnose some forms of cancer
- Reveal abnormalities in the scrotum and prostate