Knee
The posterior surface of the patella is normally rough.
False
How should the femoral condyles appear on a mediolateral lateral knee
femoral condyles directly superimposed
How should the femoropatellar joint appear on a mediolateral lateral knee
femoropatellar joint open
What is a baseline technique for a sunrise inferosuperior method?
What is a baseline technique for a sunrise merchant method patella
What is the baseline technique for the inferosuperior view of the patella?
What is a baseline technique for a PA patella
64@4 TT 70@8 bucky
What is the baseline technique for Bilateral weight bearing AP knee
64@4 TT 70@8 bucky
What is the technique for an AP knee for both table top and bucky
64@4 TT, 70@8 Bucky
What is a baseline technique for a lateral knee
64@4 TT, 70@8 bucky
What is a baseline technique for the lateral patella
64@4 TT, 70@8 bucky
What is the baseline technique for an AP knee
64@4 TT, 70@8 bucky
What is a baseline technique for an AP oblique knee
64@4 TT. 70@8 bucky
What is the baseline technique for the intercondylar fossa Beclere method?
75@5
What is the baseline technique for the intercondylar fossa Holmblad method?
75@5
What is a baseline technique for an PA intercondylar fossa camp-conventry method
75@5 bucky
A 5° to 7° cephalad angle of the central ray for a lateral projection of the knee helps superimpose the distal borders of the medial and lateral condyles of the femur
True
The adductor tubercle is located on the posterior aspect of the medial femoral condyle.
True
The bone classification of the patella is "sesamoid".
True
The patella acts like a pivot to increase the leverage of large muscle found in the anterior thigh.
True
To place the patella parallel to the image receptor for a PA projection of the patella, the lower limb must be rotated approximately 5 degrees laterally.
True
How should the tibiofibular joint appear on the intercondylar view of the knee
slight tibiofibular overlap
How should the proximal tibiofibular joint appear on a mediolateral lateral knee
superimposed by proximal tibia
Patient is prone with a minimum of 90° knee flexion and the CR directed 15-20° from the lower leg
Settegast method
Patient is supine with 40-45° knee flexion and CR is 40-45° cephalad to enter perpendicular to the lower leg.
Beclere method
Patient is prone with 40-50° flexion and CR is 40-50° caudad to enter perpendicular to the lower leg.
Camp Coventry method
For the AP projection of the knee, the lateral rotation best visualizes the lateral condyle of the tibia and the head and neck of the fibula.
False
Patient is seated on a chair with the knees flexed and feet under chair and CR perpendicular to IR.
Hobbs method
Patient knees on "all fours" on the table and leans forward 20-30° so the knee is flexed 60-70 degrees and CR is perpendicular to lower leg.
Holmblad method
Patient is prone with knee flexed 55° with the CR angled 15-20° from the long axis of the lower leg
Hughston method
Patient is supine with cassette resting on midthighs of patient, knees are flexed 40-45° and the CR is angled 10-15° inferosuperiorly
Inferosuperior axial for patellofemoral joint
Patient is supine with 40 degree knee flexion and the CR is 30 degrees caudad from horizontal.
Merchant method
How should the femorotibial joint space appear on an AP knee
Open femorotibial joint space
What is best visualized on a sunrise patella view
Patella
How should the proximal tibiofibular joint appear on an AP oblique knee with internal rotation
The proximal tibiofibular joint should appear open and free of superimpostion
How should the proximal tibiofibular joint appear on an AP oblique knee with external rotation.
The proximal tibiofibular joint should appear superimposed by the proximal tibia.
Where is the CR directed for the intercondylar fossa Beclere Method a) 1/2" distal to the apex of the patella b) mid popliteal crease c) mid patella d) between medial condyles of the femur
a) 1/2" distal to the apex of the patella
You have an order for an AP knee on a 300 lb patient. What CR angle do you use? a) 3º-5º cephalad b) 5º-7º cephalad c) 3º-5º caudad d) 0º angle
a) 3º-5º cephalad
A patient comes into the radiology department and the doctor has order a 4 v PA knee. The doctor has ordered the alternative PA weight bearing view. What angle should be used for the PA projection a) 5º-10º caudad b) 5º-10º cephalad c) 0º d) 3º-5º caudad
a) 5º-10º caudad
You have an AP weight bearing bilateral knees on an 100 lb patient . What CR angle do you use? a) 5º-10º caudad b) 5º-7º cephalid c) 0º d) 3º-5º caudad
a) 5º-10º caudad
Which one of the following projections of the knee best demonstrates the intercondylar fossa? a) Holmblad b) Merchant c) Bilateral AP weight-bearing d) Settegast
a) Holmblad
What is best visualized on the AP oblique knee with internal rotation a) lateral condyles of the femur and tibia b) medial condyles of the femur and tibia c) distal tibiofibular joint d) intercondylar fossa
a) lateral condyles of the femur and tibia
Where is your central ray entering for the Sunrise views of the patella? a) mid femoropatellar joint b) 1/2" distal to the apex of the patella c) mid patella d) 1/2" proximal to the apex of the patella
a) mid femoropatellar joint
To place the interepicondylar line parallel to the image receptor for a PA projection of the patella, the lower limb must be rotated approximately _____ degrees internally. a) 0° b) 5° c) 10-15° d) 20-30°
b 5°
Where does the central ray enter for the mediolateral projection for the lateral knee a) 1" proximal to medial epicondyle b) 1" distal to medial epicondyle c) 1/2" proximal to medial epicondyle d) 1/2" distal to medial epicondyle
b) 1" distal to medial epicondyle
How should your CR be aligned for the inferosuperior projection of the patella? a) 30º b) 10º-15º c) 20º-25º d) 15º-20º
b) 10º-15º
How much flexion is recommended for a lateral projection of the knee? a) No flexion b) 20 - 30 degrees c) 30 - 35 degrees d) 45 degrees
b) 20 - 30 degrees
How much flexion is required on a lateral mediolateral patella? a) 20º-30º b) 5º-10º c) 10º-15º d) 25º-30º
b) 5º-10º
What is best visualized on the AP oblique knee with external rotation a) lateral condyles of the femur and tibia b) medial condyles of the femur and tibia c) distal tibiofibular joint d) intercondylar fossa
b) medial condyles of the femur and tibia
Where does the central ray enter for weight bearing bilateral knees a) 1/2" distal to apex of the patella b) midpoint between knee joints c) 1" proximal between knee joints d) 1" distal between knee joints
b) midpoint between knee joints
How should the femoral condyles appear on a lateral patella a) complete superimposition of condyles b) superimposition on anterior and posterior sides c) superimposition on superior and inferior sides d) no superimposition
b) superimposition on anterior and posterior sides
How should your CR be aligned from the long axis of the lower leg for the Superoinferior sitting view of the patella? a) 30º b) 10º-15º c) 0º d) 15º-20º
c) 0º
You have an AP weight bearing bilateral knees on an average sized patient. What CR angle do you use? a) 5º-10º caudad b) 5º-7º cephalad c) 0º d) 3º-5º cephalad
c) 0º
Where does the central ray enter for an AP projection of the knee a) 2" distal to base of the patella b) 1" distal to the apex of the patella c) 1/2" distal to the apex of the patella d) 1/2" proximal to the apex of the patella
c) 1/2" distal to the apex of the patella
You have an order for an AP knee on a 100 lb patient. What CR angle do you use? a) 3º-5º cephalad b) 5º-7º cephalid c) 3º-5º caudad d) 0º angle
c) 3º-5º caudad
How much is the leg flexed for the intercondylar fossa Beclere method? a) 15-20 degrees b) 30-35 degrees c) 40-45 degrees d) 55 degrees
c) 40-45 degrees
How is the CR directed for the intercondylar fossa Beclere method? a) 15-20 degrees cephalad b) 25-30 degrees caudad c) 40-45 degrees cephalad c) 55 degrees caudad
c) 40-45 degrees cephalad
How much are the knees flexed for the Merchant Bilateral Method? a) 30º b) 20º c) 40º d) 45º
c) 40º
How much are the knees flexed for the inferosuperior projection of the patella? a) 30º b) 20º c) 40º- 45º d) 50º
c) 40º- 45º
How much flexion of the knees is required for the inferosuperior projection of the patella a) 40º b) 20º-30º c) 40º-45º d) 90º
c) 40º-45º
For an AP oblique projection of the knee, the limb is rotated a) 25 degrees b) 30 degrees c) 45 degrees d) 30-40 degrees
c) 45 degrees
How much flexion of the knees is required for the Hughston method of the patella? a) 45º b) 20º-30º c) 55º d) 90º
c) 55º
You have an order for a lateral knee on a 300 lb short patient. What CR angle do you use? a) 5º-7º cephalad b) 5º cephalad c) 7º-10º cephalad d) 5º-7º caudad
c) 7º-10º cephalad
Where is the CR directed for the Intercondylar fossa Camp Conventry method a) midway between femoral condyles b) mid patella c) mid popliteal crease
c) mid popliteal crease
How should the patient be positioned for a PA patella a) patient supine, externally rotated 5º b) patient prone, internally rotated 5º with 20º flexion c) patient prone, internally rotated 5º d) patient supine internally rotated 10º
c) patient prone, internally rotated 5º
How is the CR directed for the intercondylar fossa Holmblad method? a) 20-30 degrees toward lower leg b) 40-50 degrees toward upper leg c) perpendicular to popliteal crease d) perpendicular to medial condyles
c) perpendicular to popliteal crease
How should your CR be aligned from the long axis of the lower leg for the Hughston method? a) 30º b) 10º-15º c) 20º-25º d) 15º-20º
d) 15º-20º
How should your CR be aligned from the long axis of the lower leg for the Settegast method variation? a) 30º b) 10º-15º c) 20º-25º d) 15º-20º
d) 15º-20º
How should your CR be aligned from the long axis of the lower leg for the Settegast method? a) 30º b) 10º-15º c) 20º-25º d) 15º-20º
d) 15º-20º
A patient comes into the department for a 3 view knee series. They measure 16 cm at the ASIS, what angle should be used for the AP oblique with internal rotation? a) 0 degree b) 5-10 caudad c) 5-10 cephalad d) 3-5 caudad
d) 3-5 caudad
How should your CR be aligned for the Merchant Bilateral Method? a) 20º from vertical b) 35º from horizontal c) 20º from horizontal d) 30º from horizontal
d) 30º from horizontal
How much rotation of the knee is required for an AP projection of the knee a) 0º angle b) 3º-5º externally c) 5º-7º internally d) 3º-5º internally
d) 3º-5º internally
How much are the legs flexed for the intercondylar fossa Camp-Conventry method? a) 20-30 degrees b) 5-10 degrees b) 55 degrees d) 40-45 degrees
d) 40-45 degrees
How should the CR enter for the intercondylar fossa Camp-Conventry method? a) 5-10 degrees toward lower leg b) 15-20 degrees toward upper leg c) 25-35 degrees toward upper leg d) 40-45 degrees toward lower leg
d) 40-45 degrees toward lower leg
How much flexion of the knees is required for the Suttegast method of the patella? a) 45º b) 20º-30º c) 40º-45º d) 90º
d) 90º
How much flexion of the knees is required for the Suttegast method variation of the patella? a) 45º b) 20º-30º c) 40º-45º d) 90º
d) 90º
How much is the knee flexed for the intercondylar fossa Holmblad method? a) 45 degrees b) have patient lean forward 40 degrees so leg is flexed 50 degrees c) have patient lean forward 15 degrees so leg is flexed 75 degrees d) have patient lean forward 20-30 degrees so leg is flexed 60-70 degrees
d) have patient learn forward 20-30 degrees so leg is flexed 60-70 degrees
You just finished taking a lateral mediolateral knee. You notice on the image that the abductor tubercle appears posteriorly to the lateral condyle. How could this be corrected? a) decrease rotation of the knee b) increase angle of CR c) there is nothing wrong and this is acceptable d) increase rotation of the knee
d) increase rotation of the knee
You just took an intercondylar fossa view and notice that the patella is low and superimposing over the fossa, what needs to be corrected a) internally rotate the knee b) decrease the CR angle, or flexion of the knee c) externally rotate the knee d) increase the CR angle, or flexion of the knee
d) increase the CR angle, or flexion of the knee
Posteriorly, the femoral condyles are separated by a deep depression called a) popiteal surface b) intercondylar eminence c) patella surface d) intercondylar fossa
d) intercondylar fossa
