Accuracy of MRI diagnosis of internal derangement of the knee
in a non-specialized tertiary level referral teaching hospital.
In a small nonrandomized study of adult knee trauma, sonographic diagnosis of an effusion (by an expert) had an LR+ for diagnosing an internal derangement of the knee
of 2.0 (95% CI, 0.67-5.96) and an LR--of 0.33 (95% CI, 0.12-0.96), as compared with the gold standard of MRI.
[However], ACL [anterior cruciate ligament] damage causes the highest incidence of pathologic joint instability." (7) Accordingly, the abbreviation IDK is used to describe an internal derangement of the knee
. This term is used any time there is a problem that involves the normal functioning of the ligaments or cartilage of the knee joint.
The study was done on patients who had a clinical diagnosis of an internal derangement of the knee
followed by an MRI scan and a diagnostic arthroscopy.
Clinical presentation of PCL ganglia often mimics internal derangement of the knee
. (5) They are difficult to diagnose due to the lack of specific clinical signs and symptoms making diagnosis a slow process.
A total of one hundred and fifty patients with an age range of 21 to 66 years (Mean age of 31 years) with suspected internal derangement of the knee
were subjected to MR examination and followed by arthroscopy.
Reliability of the clinical assessment in predicting the cause of internal derangement of the knee
. Arthroscopy 1995; 11:568-576.