Whether an ankle MRI needs contrast depends on what the doctor is trying to see. According to a 2020 reference, frequently an MRI of the ankle does not require any contrast media. However, contrast can be helpful in certain situations.
When is Contrast Used in Ankle MRI?
Contrast is not always necessary, but it can improve the visualization of certain tissues and conditions. Generally, a T1-weighted sequence should be included in the MRI protocol with or without contrast.
Here are some situations where contrast might be used:
- To assess bone marrow and/or soft tissue lesions: Contrast helps highlight areas of inflammation, infection, or tumors.
- Evaluating soft tissue masses: Contrast can better define the characteristics of a mass, such as its size, shape, and internal structure.
When is Contrast Usually Not Needed?
In many cases, ankle MRIs can be performed without contrast. For example:
- Evaluating ligament or tendon injuries: If the primary concern is a tear in a ligament or tendon, contrast may not be necessary.
- Looking for fractures: Fractures are often clearly visible on standard MRI sequences without contrast.