Knee Meniscus
A 22-year-old basketball player sustains an ACL tear with an associated peripheral vertical longitudinal tear of the lateral meniscus. Arthroscopy confirms an ACL rupture and a 15mm vertical longitudinal tear in the peripheral red-red zone of the lateral meniscus extending from the posterior horn to the body. The meniscal tissue appears healthy with good rim width. The surgeon discusses the vascularity zones, healing potential, and repair techniques. The patient asks whether the meniscus can be repaired and what the success rate is. Regarding meniscal tears and repair:
Mark each as TRUE or FALSE
The meniscus has three vascular zones based on blood supply: RED-RED zone (peripheral 0-3mm from cap...
LATERAL meniscus is SEMICIRCULAR (C-shaped) and more MOBILE; MEDIAL meniscus is larger, SEMILUNAR (c...
The meniscus is fully vascular throughout life; central white-white tears have the BEST healing; lat...
Tears amenable to REPAIR: PERIPHERAL tears (red-red or red-white zone); VERTICAL LONGITUDINAL patter...
Repair techniques: INSIDE-OUT (needles from joint to outside, requires posterior safety incision); O...
Answer the questions to see explanations
Click T (True) or F (False) for each option