Case 143

 A sixty nine-year-old female presented in our hospital with a letter of reference from a local orthopedic clinic. It said that she suffered from painful left knee joint. She was made a diagnosis of Internal Derangement of the Knee Joint that is a general term of causing knee pain. She felt pain of her left knee when she stood up. She felt catching and clicking when her left knee was bending and extending. She received MRI for further examination (Figs 1-3).

What is the correct combination of arrows on the left knee joint MRI (Figs 1-3) ?

a.　Dark arrow ----- Subchondral bone osteosclerosis

b.　Red arrow ------ Meniscus injury

c.　Green arrow ------ Loose body

d.　Blue arrow ------- Injury of anterior cruciate ligament

e.　Yellow arrow ------- Wrisberg ligament

1. a, b, c　　2. b, c, ｄ　　3. c, d, e　　4. all

answer

2019.5.8