meniscal cysts

Meniscal Cysts

Epidemiology

 

Most common in lateral meniscus 9:1

 

Peak incidence 20-40

 

Aetiology

 

Probably 2° to infiltration of joint fluid into extra-articular tissues

- almost always associated with horizontal cleavage tear

- creates a flap valve in lateral 1/3 of LM

 

Symptoms

 

Usually present with pain

- activity related

 

May notice lump