Knee Injuries
A 25-year-old football player presents with right knee pain and mechanical symptoms after a twisting injury 4 weeks ago. He describes the knee "catching" and has had two episodes of the knee "locking" in flexion that he was able to unlock by wiggling the leg. Examination shows joint line tenderness, positive McMurray test with a palpable click, and 10 degrees loss of terminal extension. MRI confirms a bucket-handle tear of the medial meniscus with displacement into the intercondylar notch. Regarding meniscal tears:
Mark each as TRUE or FALSE
The meniscus has three vascular zones: red-red zone (peripheral, fully vascular with healing potenti...
Tear patterns include vertical longitudinal (bucket-handle if displaced), radial (disrupts circumfer...
The white-white zone has the best healing potential; radial tears have minimal biomechanical impact;...
Meniscal preservation is the goal whenever possible due to the long-term consequences of meniscectom...
Partial meniscectomy is performed for tears in the avascular zone that are not repairable, leaving a...
Answer the questions to see explanations
Click T (True) or F (False) for each option