What’s the Dx

LEARN MSK MRI & SPINE MRI RADIOLOGY ONLINEquiz dx icon circled radedasia

 

Learn more about various conditions/pathologies in our posts and how to best report it in more detail in our Guided MSK MRI & SPINE MRI Mini-Fellowships.

 

In our posts we have concise explanation of the MSK MRI & SPINE MRI anatomy, the macroscopic pathology that’s relevant to the Imaging and the Imaging findings in various pathologies.

 

Learn where to Look, What to Look for and How to Report MRI More Confidently

retroachilles bursa bursitis mri radiology ankle

RETROACHILLES BURSA BURSITIS MRI RADIOLOGY ANKLE

RETROACHILLES BURSA BURSITIS MRI ANKLE DISCUSSION ABOUT THE RETROACHILLES BURSA The retroachilles bursa lies between skin and Achilles tendon.   It’s not usually seen as its an adventitial bursa caused by chronic friction.   It is Uncommonly enlarged. WHERE TO LOOK FOR THE RETROACHILLES BURSA Best seen on axial and sagittal scans.   Look posterior …

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ankle mri peroneus brevis tendon tear split

PERONEUS BREVIS TENDON TEAR MRI ANKLE MRI

PERONEUS BREVIS TENDON TEAR MRI DISCUSSION: WHAT'S THE dX Peroneus Brevis Tendon Tear: MRI demonstrates a peroneus brevis tendon tear.  There is a longitudinal split resulting in two components of the Peroneus Brevis tendon (Pink arrows). Peroneus Longus (Blue arrow) is normal. WHAT ARE THE FINDINGS There should only be two tendons in the peroneal …

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subcortical subchondral fracture knee tibial plateau mri insufficiency

SUBCORTICAL SUBCHONDRAL FRACTURE KNEE MRI TIBIAL PLATEAU

SUBCORTICAL SUBCHONDRAL FRACTURE KNEE MRI TIBIAL PLATEAU DISCUSSION Subchondral or subcortical fractures of the knee can occur in the femoral condyles or tibial plateau.   The key to the diagnosis is seeing a linear low signal line adjacent to and paralleling the cortex without any cortical defect or break in the acute phase.     There …

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shoulder synovitis mri rheumatoid arthritis subacromaial bursa radedasia

SHOULDER SYNOVITIS MRI RHEUMATOID ARTHRITIS

SHOULDER SYNOVITIS MRI RHEUMATOID ARTHRITIS DISCUSSION: WHAT'S THE Dx? Extensive synovitis and ACJ erosions from Rheumatoid arthritis. Having synovitis in multiple locations (even if there are no erosions) should raise the possibility of an inflammatory abnormality.   Thank you to Dr Joe Thomas (Rheumatologist) for the case. WHAT ARE THE FINDINGS? Image 1: The first …

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mri acl tear pivot shift injury bone contusion pattern osteochondral fracture knee

ACL TEAR PIVOT SHIFT INJURY BONE CONTUSION PATTERN OSTEOCHONDRAL FRACTURE MRI KNEE

ACL TEAR PIVOT SHIFT INJURY BONE CONTUSION PATTERN OSTEOCHONDRAL FRACTURE MRI WHAT'S THE Dx? Pivot shift bone bruising of the lateral femoral condyle and an osteochondral depression fracture secondary to an ACL tear.   Characteristic bone contusion pattern seen with complete ACL tear.   The osteochondral fracture is seen with the flattening of the cortical …

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spine trauma imaging facet fracture dislocation radiology ct

FACET FRACTURE SPINE RADIOLOGY CT TRAUMA IMAGING

FACET FRACTURE RADIOLOGY CT DISCUSSION FACET FRACTURE CT APPEARANCE The facet is fractured (Pink arrows) but there is no evidence on this image of facet subluxation or dislocation.   However the facet joint is widened inferiorly (Green arrow) indicating that the facet capsule must be torn. FACET FRACTURE RADIOLOGY CT: SLIDER TO VIEW IMAGES ARE …

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spine ligaments mri injury radiology interspinous trauma

SPINE LIGAMENTS MRI INJURY RADIOLOGY TRAUMA INTERSPINOUS

SPINE LIGAMENTS MRI INJURY RADIOLOGY TRAUMA INTERSPINOUS WHAT'S THE Dx: INTERSPINOUS LIGAMENT TRAUMA The MRI demonstrates trauma to the interspinous ligament with increased T2FS signal in the region of the interspinous ligament.   The interspinous ligament lies between the spinous processes.   Oedema indicates trauma to the region but is also a clue to the …

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vertebral artery dissection radiology mri diagnosis

VERTEBRAL ARTERY DISSECTION RADIOLOGY MRI DIAGNOSIS

VERTEBRAL ARTERY DISSECTION RADIOLOGY MRI DIAGNOSIS MRI VERTEBRAL ARTERY OCCULSION: DISCUSSION VERTEBRAL ARTERY OCCULSION   With spinal trauma its essential to look at the signal of the vertebral arteries as there can be dissection.   In most cases we don’t do a routine MRA so being able to spot a dissection on the standard scans …

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