Sports Imaging
This shoulder injury, characterized by a cortical depression in the posterolateral aspect of the humeral head, is commonly associated with anterior dislocation.
What is a Hill-Sachs lesion?
This tumor has the classic history of nocturnal pain relieved by NSAIDs.
What is an osteoid osteoma?
This is the most common type of arthritis.
What is osteoarthritis?
What STIR stands for.
What is Short Tau Inversion Recovery?
This condition, characterized by cortical irregularity of the tibial tubercle with overlying soft tissue swelling, is common in young athletes.
What is Osgood-Schlatter disease?
Most common benign tumor to involve the epiphysis in a child.
What is a chondroblastoma?
This describes the combination of Synovitis, Acne, Pustosis, Hyperostosis, and Osteitis).
What is SAPHO?
This is the percentage of hepatic excretion with Eovist (gadoxetate)
What is 50%?
This ligament is the most commonly injured ligament in an ankle inversion injury.
What is the ATFL?
A description of the most salient signal characteristic of Myxomatous tumors.
What is T2 bright?
This arthritis is characterized by not being able to pee, see, or climb a tree.
What is reactive arthritis (Reiters??).
This term describes the time it takes for protons to realign with the magnetic field after being disrupted by a radiofrequency pulse.
What is T1 relaxation time?
This shoulder injury, characterized by deficiency of the posterior-inferior glenoid rim, is commonly associated with posterior dislocation.
What is a reverse osseous Bankart lesion?
These features help distinguish a low grade chondromasarcoma from an enchondroma.
What are size (>5cm), endosteal scalloping (>2/3 of cortex), cortical breakthrough/extraosseous mass, changing matrix over sequential studies, and the presence of pain?
This arthritis classically presents with a "gullwing" apperance.
What is inflammatory OA?
This physical phenomenon, exploited in diffusion-weighted imaging (DWI), describes the random motion of water molecules in biological tissues.
What is Brownian motion?
These are known as "tennis" and "golfer's" elbow, respectively.
What are "lateral" and "medial" "epicondylitis"?
This is the most common benign bone tumor which can be induced by radiation exposure.
What is an osteochondroma.
These are the four overarching categories of arthritis.
What are:
1. Degenerative.
2. Inflammatory.
3. Depositional.
4. Infectious.
The area of K-space which encodes for contrast resolution.
What is the central area?
This soft tissue Bankart variant is characterized by uplifting of the anterior inferior glenoid labrum with intact overlying periosteum and no significant medialization.
What is a Perthes lesion?
This genetic disorder is characterized by multiple enchondromas, without the presence of hemangiomas.
What is Ollier's disease?
This are the types of erosions seen in rheumatoid vs gouty arthritis.
What are "marginal" vs "juxta articular" erosions?
The angle with the main magnetic field in which structures will demonstrate "magic angle artifact".
What is 55 degrees?
This specific type of meniscal tear is a vertical longitudinal tear which can only occur along the posterior horn of the lateral meniscus.
What is a "Wrisberg rip"?
Synovial based process characterized by joint effusion, periarticular erosions, and blooming on GRE sequences.
What is PVNS (Pigmented Villonodular Synovitis)?
These two seronegative spondyloarthropathies are more likely to have symmetric SI joint involvement later in the disease process.
What are ankylosing spondylitis and IBD-related arthropathy?
On a 3T magnet this is the timing (in milliseconds) of the Out of phase and In phase image acquisitions.
What is 1.1 msec and 2.2msec?
This soft tissue Bankart variant is characterized by uplifting and medialization of the anterior inferior glenoid labrum.
A genetic syndrome which classically involves polyostotic fibrous dysplasia and multiple myxomas.
What is Mazabraud syndrome?
This is a differential diagnosis for acroosteolysis (give at least 3).
What is PINCH FO:
P - Psoriatic arthritis/pyknodysostosis
I - Injury/trauma.
N - Neuropathy (DM, leprosy).
C - collagen vascular disease (Scleroderma).
H - Hyperparathyroidism.
Two ways to improve aliasing artifact in MRI.
What is increase FOV, Flip PE/FE, use a surface coil, or a sat band?
This is the most important of the three bands for lunotriquetral ligamentous stability.
What is the volar band?
These are the five types of osteosarcomas.
What is conventional intramedullary, parosteal, periosteal, telangiectatic, and secondary.
Colloquial term for severe destruction of the shoulder secondary to hydroxyapatite deposition.
What is Milwaukee shoulder?
MR artifact in the phase encoding direction which is caused by stray RF signals within the scanner room.
What is zipper artifact?
These are the four most important ligaments within the elbow joint.
What are the UCL, RCL, LUCL, and annular ligaments?
Other than sacrum and clivus, this is the most common location for a chordoma (give the specific vertebral body).
What is C2?
This imaging finding describes a linear lucency within the subchondral bone in the setting of osteonecrosis and imminent epiphyseal collapse.
What is the crescent sign?
This sequence is characterized by a series of 180 degree RF pulses followed by variable time intervals for signal recovery.
What is an inversion recovery sequence?