ANDERSON OCD MRI CLASSIFICATION

Question 1

plain radiographs, bone scintigraphy, marrow edema present

Answer 1

I

Question 2

incomplete separation of fragment

Answer 2

II

Question 3

incomplete separation + subchondral cyst

Answer 3

IIA

Question 4

unattached, non displaced fragment

Answer 4

III

Question 5

displaced fragment

Answer 5

IV