Hiya,

I have a Sacral Tarlov cyst which causes extreme pain in my lower back and chronic sciatica all through my right leg to my foot. Having read a lot of literature, it appears that Tarlov's cysts can occur anywhere on the spine, although the occurance of pain- causing cysts is apparently rare !!, ... I do not think so. I have felt disabled for 3 yrs, have had to give up my job, and was mis-diagnosed two yrs ago !!! The two options open to me here in the UK is Narcotic based pain-relief which I don't want to start on, or relatively dodgy surgery , with severe risks. But to answer your ?, yes, they will cause sciatica dependent on which nerve root ends they are growing on.