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Magnetic Resonance Imaging of the Nasopharynx Without Contrast

Published: August 9, 2026Updated: August 16, 2026

An MRI creates detailed images of the nasopharynx, the area behind the nose, without using an injected contrast agent.

Quick summary

["This imaging test evaluates the nasopharynx and nearby tissues without intravenous contrast."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
36513-0
Short code
MR Nasopharynx WO contr
Synonyms
MR Nasopharynx WO contr
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
mr
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What is this test?

Magnetic resonance imaging, or MRI, uses a strong magnetic field and radio waves to create detailed pictures. This test examines the nasopharynx, which is the passage behind the nose and above the throat.

Why might I need this test?

A nasopharynx MRI may be ordered to evaluate persistent ear problems, nasal blockage, neck swelling, unexplained symptoms, or a suspected mass. It can also help assess the extent of a known condition and nearby lymph nodes or tissues.

How is the test performed?

You will lie on a movable table that is placed inside the MRI scanner. The scanner makes loud knocking and ringing noises, and you may be asked to remain still or hold your breath briefly. No injected contrast is used for this examination.

How do I prepare for the test?

Tell the imaging team if you have a pacemaker, implanted medical device, metal in your body, pregnancy possibility, or a history of claustrophobia. Remove jewelry, watches, hairpins, and other metal objects before entering the scanner area.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

The images can show inflammation, infection, benign enlargement, or a mass in the nasopharynx. The study may also identify involvement of nearby tissues or lymph nodes. Results should be interpreted by your clinician in combination with your symptoms, examination, and any other tests.

Short name

Nasopharynx MRI Without Contrast

Frequently asked questions

Does this test use contrast?
No. The name indicates that the MRI is performed without injected contrast material. Tell your clinician if you have previously had a serious reaction to contrast.
Is a nasopharynx MRI the same as a CT scan?
No. MRI and CT use different technologies and may show different aspects of the tissues. Your clinician will decide which imaging test is most appropriate.
Will I feel anything during the MRI?
The test itself is generally painless, although the scanner is noisy and the confined space may cause anxiety. You can usually speak with the imaging technologist during the examination.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy