*Exact mixtures may vary by institution. This list should only serve as a guide, and is not intended to supersede individual departmental policy. Also, concentrations may vary depending on gadolinium based contrast media used.
Generic MR Arthrogram Mixture
10 mL saline
10 mL Iodinated Contrast
0.1 mL Gadolinium
Inject 12 mL for hip/shoulder
Inject 3-4 mL for wrist/elbow/ankle
Triple the mixture for knees, inject 45-50 mL
Or ...
MR Arthrography Hip/Shoulder
1.5 mL Saline
3.5 mL Iodinated Contrast
0.1 mL Gadolinium
MR Arthrography Wrist/Elbow/Ankle
2.5 mL Iodinated Contrast
0.1 mL Gadolinium
MR Arthrography Knee
20 mL Normal Saline
20 mL Iodinated Contrast
1 mL Gadolinium
*Use of this information implies acceptance of the Terms of Use*
CT Arthrography Knee
30 mL Iodinated Contrast
30 mL Saline
CT Arthrography Hip/Shoulder
10 mL Iodinated Contrast
10 mL Saline
Steroid Injection
Triamcinolone - 2.5-15 mg, depending on joint size
Methylprednisolone - 4-80 mg, depending on joint size
*Doses based on product inserts. Referring providers often request stronger doses.
Preoperative Abdominal Botox injection
150 Units per side, split into 5-10 Units/injection
- MacMahon P, Eustice S, Kavanagh E. (Sept 2009). Injectable Corticosteroid and Local Anesthetic Preparations: A Review for Radiologists. Radiology vol 252, No. 3
- https://radiopaedia.org/articles/mr-arthrogram-solution
- https://reference.medscape.com
