Knee, Femur, Intercondyloid Fossa, And Patella

Question 1

Medial Oblique Knee:

Answer 1

75 @ 4
SID: 40",   10x12 LW Table Bucky 
CR: 1/2" below apex of knee
Position: supine, leg extended and rotated internally 45 degrees (opens tibfib space)
19-24cm= No angle 
Less than 19cm= 3-5 caudal angle 
More than 24cm= 3-5 cephalad angle

Question 2

Lateral knee:

Answer 2

75 @ 4
SID: 40”, 10x12 LW Table Bucky
CR: Angle 5-7 degrees cephalad to 1” below medial condyle
Position: lateral side of affected knee is against IR, flexed 20 degrees, unaffected leg is behind

Question 3

Sunrise Patella Settegast Method:

Answer 3

65 @ 6
SID: 40-48”, 10x12 LW, TT
CR: angle 15-20 degrees cephalic from lower leg to mid femoropatellar joint
Position: prone, knee flexed 90 degrees, IR under knee.

Question 4

Sunrise Patella Inferosuperior:

Answer 4

65 @ 6
SID: 40-48”, 10x12 CW, TT
CR: angle 100-105 degrees cephalic and align CR perp to femoropatellar joint
Position: supine, affected knee flexed 40-45 degrees, IR resting on thigh matching the CR.

Question 5

Inter condylar Fossa AP Axial Tunnel Homblad Method:

Answer 5

***Shield patient first!!!
65 @ 6
SID: 40”, 8x10 LW, TT
CR: turn tube sideways, centered at mid popliteal crease
Position: patient kneeling on chair, leans forward, knee flexed 60-70 degrees

Question 6

Intercondylar Fossa PA Axial Tunnel-

Camp Coventry Method:

Answer 6

65 @ 6
SID:40”, 8x10 LW, TT
CR: 40-50 degree caudal angle to posterior knee joint.
Position: prone, flex knee 40-50 degrees

Question 7

AP Distal Femur:

Answer 7

80 @ 4
SID: 40", 14x17 LW, Table Bucky 
CR: mid femur, IR 2" below knee joint 
Position: supine, rotate leg internally 5 degrees for true AP
***FAT CAT!!!

Question 8

Lateral Proximal Femur:

Answer 8

80 @ 8
SID: 40”, 14x17 LW, Table Bucky
CR: mid femur, IR at the level of the ASIS (frog)
Position: lateral affected side against IR, flex knee 45 degrees, unaffected leg is behind
**FAT CAT

Question 9

Lateral Distal Femur:

Answer 9

80 @ 4
SID: 40", 14x17 LW, Table Bucky
CR: mid femur, IR 2" below knee joint
Position: recumbent lying on affected side with knee flexed 45 degrees, unaffected leg is placed in front 
***FAT CAT!!!!

Question 10

AP Knee:

Answer 10

75 @ 4
SID: 40",  10x12 LW Table Bucky
CR: 1/2" below apex of knee 
Position: supine, leg extended, rotate leg internally 3-5 for true AP, femoral condyles parallel to IR.
19-24cm = No Angle
Less than 19cm= 3-5 caudal angle
More than 24cm= 3-5 cephalad angle