Imaging of the Hip/Knee

Question 1

in both t1 and t2 MRI sequences, tendon is normally what general color?

Answer 1

dark/black

Question 2

gray in tendon indicates what type of pathology on MRI?

Answer 2

tendinosis

Question 3

articular cartilage appears what general color on MRI?

Answer 3

gray

Question 4

sickle cell disease is a risk factor for what hip condition?

Answer 4

AVN

Question 5

which angle is used to assess CAM morphology on imaging?

Answer 5

alpha angle

Question 6

which hip condition is a combination of osteitis pubis and adductor stripping ?

Answer 6

athletic pubalgia

Question 7

what is the proximal origin of the ACL?

Answer 7

lateral femoral condyle

Question 8

what is a pivot shift bone contusion pattern on MRI and what does it indicate?

Answer 8

bone edema of the lateral femoral condyle and lateral posterior tibial plateau - indicates ACL tear

Question 9

what is the insertion of the ACL?

Answer 9

tibial eminence

Question 10

on MRI of knee, you see medial patellar bone edema and lateral femoral condyle edema, what is the most likely ligament injured?

Answer 10

medial patellofemoral ligament

Question 11

you see chronic hoffa’s fat pad impingement on MR imaging. what diagnosis/pathology would you be concerned about?

Answer 11

patellofemoral maltracking