Knee Pathology
A 32-year-old soccer player presents with right knee pain and swelling after a twisting injury 3 weeks ago. He reports mechanical catching, intermittent locking, and pain localized to the medial joint line. Examination reveals medial joint line tenderness, positive McMurray test (pain and click with external rotation), and a positive Thessaly test at 20 degrees. MRI shows a vertical longitudinal tear in the posterior horn of the medial meniscus extending to the red-white zone. Regarding meniscal tears:
Mark each as TRUE or FALSE
The meniscus has three vascular zones: red-red (peripheral, well-vascularized, good healing potentia...
Tear patterns include vertical longitudinal (bucket handle - can cause locked knee), horizontal clea...
The white-white zone has the best healing potential; lateral meniscus tears are more common than med...
Clinical tests include McMurray test (rotation with extension produces click/pain), Thessaly test (r...
Treatment is based on tear type, location (vascular zone), patient age, and activity level; meniscal...
Answer the questions to see explanations
Click T (True) or F (False) for each option