Knee

1
Chapter 7/8

• Knee
• Hip

2
Patella

• Largest _________________
• Anterior to Femur
• Superior to Tibia
• Flat ________________

3
Patella

• ____________
• Inferior border
• ____________
• Superior border

4
Knee JointLigaments

• _______________________
• Femur to Fibula
• _______________________
• Femur to Tibia
• _____________________
• Patella to Tibial tuberosity

5
Knee JointLigaments

• ______________________
• Femur to Posterior Tibia
• ______________________
• Femur to Anterior Tibia

6
Joint CapsuleBursa

• Synovial Filled
• ______________Bursa
• ______________ Bursa

7
Menisci

• Fibrocartilage _____________
• Medial
• Lateral

8
Knee Imaging

• Routine
• AP
• Lateral
• Internal Oblique
• External Oblique
• 10 x 12 LW
• 65 kVp

9
AP Knee

• Pt Supine
• ______________to align epicondyles parallel to
  table
• Center ______________to apex of patella
• Collimate to skin
• _____________________

10
Lateral Knee

• Position for ________________
• _______________
• Epicondyles should be ______________ to table
• ______________angle
• Center mid knee
• Collimate to knee

11
Medial (Internal) Oblique

• Position as AP
• _______________
• Center _____________to apex of patella
• Shows
• ________________in profile
• ________________joint

12
Lateral (External) Oblique

• Position as AP
• Rotate leg _____________
• Center ____________to patella
• Shows
• ______________in profile

13
Patella Imaging

• Routine
• PA 10 x 12
• Lateral 10 x 12
• Axial (Sunrise) 8 x 10
• 40 SID
• 60 kVp

14
PA Patella

• Pt Prone
• Rotate leg ____________
• Center mid Patella
• Collimate to skin

15
Lateral Patella

• Position as per Lateral Knee
• _________________
• CR to ___________________ joint
• Collimate down to patella

16
Axial Patella(Sunrise)

• If Prone ______________
• Angle tube __________________
• Center at petellofemoral joint
• Collimate to patella

17
Axial Patella(Sunrise)

• If Supine
• _________________
• Have ______________against knee
• Angle tube ____________________to cassette
• Collimate to patella

18
Proximal Femur

• ____________
• Round process
• _______________
• Depression in the center of the head
• _______________
• Area between shaft and head
• ______________
• Cavity for head of femur

19
Proximal Femur

• ___________________
• Superiolateral prominence
• __________________
• Medioposterior prominence inferior to greater
  trochanter.
• ____________________
• Depression between trochanters

20
Femur Angle

• __________
• Head and neck _______________.
• Rotate legs ____________________to get neck in
  true AP

21
Hip Imaging

• Routine
• AP Pelvis 14 x 17 XW
• Lateral 10 x 12 LW
• Frog Leg
• X-table lateral
• AP Unilateral Hip
• 40 SID
• 75 kVp

22
AP Pelvis

• Pt Supine
• _________________________
• Center Midline between __________________
• Top of Cassette ______________
• Collimate to skin
• ____________________________

23
Frog leg Lateral

• Pt Supine
• Flex knee and ________________
• A sponge may help
• Center to ____________________
• Draw imaginary line between ___________________and
  go _______________perpendicular to line

24
X-table Hip

• Pt Supine
• Do not move affected Hip
• Unaffected Leg _________________. Can put
  __________________
• Use X-table grid __________________
• Adjust collimator to be ______________ to
  cassette.

25
AP Hip

• Patient Supine
• Rotate Leg _________________
• CR directed _________________
• ______________________to ASIS