Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
51 Cards in this Set
- Front
- Back
|
What 3 bones make up the acetabulum
|
Ilium
Ischium Pubis |
|
|
What is the centering for a hip?
|
symphysis pubis
|
|
|
On a coronal hip localizer, slices are prescribed from where to where?
|
Posterior to anterior musculature
|
|
|
What must be visualized on a coronal hip localizer?
|
Ilium and superior acetabulum to below lesser trochanter
|
|
|
Why do a coronal hip STIR?
|
Bony pathology
Contusion mets |
|
|
On sagittal hip slices are prescribed from where to where?
|
greater trochanger to the articular portion of the acetabulum
|
|
|
What must be visualized on a sagittal hip?
|
Ilium and superior acetabulum to below lesser trochanter
|
|
|
On a sagittal FSE T2 FATSAT hip slices are prescribed from where to where?
|
Greater trochanter to the articular portion of the aacetabulum
|
|
|
What does a FSE T2 FATSAT of the hip demonstrate?
|
flattening of the femoral head associated with AVN
cartilage tears muscle tears edema |
|
|
On an axial hip slices are prescribed from where to where?
|
superior edge of lesser trochanter to articular portion of acetabulum
|
|
|
What is often used for labral tears?
|
arthogram
|
|
|
What scan is used for an arthrogram?
|
3D
|
|
|
What is the main artifact source in a hip?
|
Flow from femoral and iliac vessels
|
|
|
Flow comp makes ____ brighter and is useful on __W images
|
Fluid
T2W |
|
|
What sequences should and shouldn't be used for hip prosthesis?
|
NO GRE
use SE or FSE with broad BW |
|
|
What do the femoral condyles articulate with?
|
Tibial plateaus
|
|
|
Coronal femur slices are prescribed from where to where?
|
skin to skin along entire femur
|
|
|
What sequence is used for marrow space?
|
STIR
|
|
|
How is ghosting from the femoral vessels minimized?
|
spatial presats placed S and I
|
|
|
What are 4 properties of the patella?
|
Largest sesamoid bone
flat triangular bone protects anterior joint surface increases leverage of the quad extensor muscle |
|
|
What is a meniscus
|
C shaped fibrous tissue
cushions articulation of condyles and tibial plateaus |
|
|
Which meniscus is broader?
|
Medial
|
|
|
Which ligaments give stability to knee?
|
Cruciate
|
|
|
Which cruciate ligament is stronger?
|
PCL
|
|
|
What is a flattening of the undersurface of the patella characterized by patellar tracking cartilage problems?
|
Chondromalcia patella (CMP)
|
|
|
What is a baker's cyst?
|
Synovial cyst that forms usually in the posterior knee
|
|
|
What is a baker's cyst associated with?
|
Rheumatoid arthritis
|
|
|
Where is the center of the knee coil placed?
|
Lower border of patella
|
|
|
What ligament is oriented into the sagittal plane with a 10 degree external rotation
|
ACL
|
|
|
On the axial FSE T2 knee slices are prescribed from where to where?
|
Patella to tibial tuberosity
|
|
|
What is demonstrated by a knee axial FSE T2
|
patello-femoral joint
|
|
|
What must be visualized on a sagittal SE PD
|
lateral and medial collateral ligaments
|
|
|
On a sagittal SE PD knee slices are prescribed from where to where?
|
collateral ligaments through condyles with superior patella and tibial tuberosity on image
|
|
|
What does a PD knee demonstrate?
|
Tendon and meniscal damage
|
|
|
What does a sagittal FSE T2 FATSAT knee demonstrate?
|
Joint effusions
Bony pathology Interstitial tears and partial meniscal tears |
|
|
What confirms an ACL tear?
|
Non visualization on T2 fatsat
|
|
|
What sequence best demonstrates knee joint anatomy, meniscal tears, musculature, and the collateral ligaments?
|
FSE PD FATSAT
|
|
|
What sequence best demonstrates knee articular cartilage and collateral ligaments?
|
PD FATSAT
|
|
|
What sequence best demonstrates meniscal pathology?
|
T2W
|
|
|
What is the main source of artifacts in the knee?
|
Pulsation from the popliteal vessels
|
|
|
On what knee sequence is GMN useful?
|
T2W
|
|
|
What is the name of the formation of nitrogen bubbles?
|
Caisson disease
|
|
|
What is osteochondrosis of the head of femur in children?
|
Legg-Calve-Perth disease
|
|
|
What is the most commonly affecte site of AVN?
|
hip
|
|
|
Who is more affected by AVN?
|
M 4:1
|
|
|
What are 3 symptoms of AVN
|
Joint pain
Limited ROM Decreased usage of limb |
|
|
A Serpiginous line (low SI) with a fatty center is characteristic of what?
|
AVN
|
|
|
avn has what kind of SI on a t1
|
focal subchondral low
|
|
|
Hip dislocations are commonly associated with what?
|
femoral fracture
|
|
|
What is the most common type of hip dislocation?
|
posterior with fracture to posterior acetabulum
|
|
|
What are the S&S of hip dislocation?
|
Pain and loss of function
|
