Salivary gland ultrasound
salivary gland ultrasound · parotid ultrasound · submandibular gland ultrasound
The doctor uses ultrasound to look at the salivary glands near your ears and under your jaw: their size, structure, and any stones.
For swelling near the ear or under the jaw, pain while eating, a dry mouth, or a lump you can feel.
⏱ Duration: usually 10 to 20 minutes; the report is usually ready right away
Be sure to tell your doctor
How to prepare
- Prep. Usually none. You can eat and drink as usual.
- Sometimes. You may be asked not to eat for 1 to 2 hours, or be given lemon juice. Check with the clinic.
- Clothing. No high collars. Better to take off earrings and necklaces.
What to bring
- Your referral
- Past ultrasounds and reports, if you have them
How it goes
- You lie on your back with your head turned to one side
- Gel is put on the skin near your ear and under your jaw
- The probe is moved over the skin
- Sometimes you are given sour juice and the glands are checked again
- The gel is wiped off with a tissue
What you'll feel
- Cool gel and light pressure from the probe
Afterwards
- The report is usually ready right away
- If needed, the doctor will suggest more tests
Common questions
Why the lemon juice?
Sour taste makes the glands work harder. That helps the doctor see the ducts and stones better.
Does it hurt if the gland is inflamed?
The probe pressure may feel a bit unpleasant. Tell the doctor, and they will be gentler.