How to read a normal knee mri the mri has many advantages over other imaging techniques, one of them being its superior ability to discriminate soft tissue structures. Mri scan is a magnetic resonance scan and by having a different magnetic field gradients it can generate images of the knee.
Most mri programs start with a large black space on one side of the screen and a smaller toolbar on the other side.
How to read an mri of the knee. Both open and closed mri scanners exist and as far as i know, the quality from the closed ones is always better. How to read your knee mri in this video tutorial, dr. The arrangement of the bones in the knee joint, along with its many ligaments, provide it with the arthrokinematics that.
The coronal plane is this front plane. The picture being shown by the mri is actually a very thin “slice” of the body part in whatever angle you are viewing. Magnetic resonance imaging of the left knee joint is submitted with standard protocol, sagittal t1/t2,coronal pd, ti and stir images, axial t2 and/or ge sequences having been acquired in the dedicated knee joint coil without iv contrast.
To read the mri, it is important to understand the imaging of specific tissues to be certain that the study demonstrates all of the possible information contributing to an accurate diagnosis. An mri is a 3d picture that slices through things, and there’s three planes: Robert laprade discusses how to read knee mri of normal knee.
And a coronal view like that. The axial plane is a traditional saw you in half type view. You are supposed to lie supine, and claustrophobia is seldom a problem since your head is out site the machine.
The femur, tibia and patella. So for a knee mri, an axial view would look like this off to the left here, a sagittal view like this, and a coronal view like that. Without going into too much detail, the mri scanner does this by triggering the protons in the tissues to produce a signal that is measured by receivers in the mri machine and.
The knee joint is a complex joint that connects three bones; Mri images are black and white. Abnormalities may appear as bright white spots.
An mri can be used to detect chronic tendinitis (inflammation of the tendon) or tendon ruptures (although this is usually apparent on physical examination). The sagittal plane is the side plane. Learn about regenexx procedures for meniscus conditions.
Anatomy of the knee is complex, throug. So, for a knee mri an axial view would look like this off to the left here. Classically there are 3 different angles that the mri is showing us.
Chris centeno shares with patients how to read their knee mri (magnetic resonance imaging). And the coronal plane is from the front. A systematic review in the mri of the knee is essential since knee anatomy itself is rather complex, pathologies, and injury patterns and are manifold and only rarely lead to an abnormality of a single structure but rather show diverse findings which might need to be addressed in further patient management 1.
Left knee twisting injury on 1/1/2013. So again, top down on axial, sagittal from the side, coronal from the front. Chris centeno, md is a specialist in regenerative medicine and the new field of interventional orthopedics.
Each view is either looking at you from the front (coronal view), the side (sagittal view), or from the top looking down (axial view). A radiologist will review your knee mri scans and give the results to your doctor. A clinician should have a consistent and specific methodology approach when it comes to reading an mri, this will ultimately limit the amount of key structures that you miss or misinterpret.
This course reviews anatomy of the knee and takes a deeper dive in reading and understanding knee injuries when reading a mri. And these are what the three planes look like. A sagittal view like this.
And again, as you look through an mri, you have to. If you see small preview pictures of your mri images in the toolbar, double click on the image you want to view. Paul clifford describes his systematic approach to reading a knee mri.
How precise is an mri scan of the knee?