Meniscus

Meniscus(menisci(pleural))는 무릎 관절에서 C shape의 fibrocartilage이다.

Ligaments

• Transverse meniscal ligament
• Meniscofemoral ligament: anterior MFL(Humphrey ligament), posterior MFL(Wrisberg ligament)
• Popliteomeniscal fascicle: anteroinferior fascicle, posteriosuperior fascicle
• Oblique meniscomeniscal ligament

MRI

• PD weighted image: best sequence
• low SI on all sequences
• MM posterior root could be high SI in pediatric patients or young adults

Normal variation

• Pseudosubluxation of AH MM

Etc

• Meniscocapsular seperation: ACL rupture, Ramp lesion, MCL rupture, lateral tibial plateau fracture.
• Meniscal contusion: not linear but contact with surface.