Re: Tarlov Cyst

Posted By CCF Neurology MD:NT on October 19, 1998 at 01:27:06:

In Reply to: Tarlov Cyst posted by Arlene on October 19, 1998 at 00:34:16:






I just had an MRI done which showed a small tarlov cyst at S2.  In 1995, I
fell and herniated my L5-S1 disk.  Since that time, L4-L5 has also herniated.
My questions concern the tarlov cyst.  There is virtually no information
that I can find on the internet regarding tarlov cysts.  I would like to
know first of all if the tarlov cyst could be a result of the 1995 injury?
Also, I had the MRI done because of pain in my tailbone which is fairly
new (had it a couple of months).  I believe that's being caused by the
cyst and not the herniations.  Since (in my opinion) the tarlov cyst is
causing me symptoms, what are the possible treatments for it?  Is it
something that will go away on its own?  Will it continue to grow and cause
additional problems?  How common is this type of cyst?  Are there different
types of tarlov cysts?  Any information you can provide would be greatly
appreciated.
Thank you in advance.




Dear Arlene:
Tarlov cysts are also called sacral perineural cysts. They are relatively rare, although a recent study found them in about 5 percent of MRIs. They are believed to be congenital, not from trauma. Not much is known about their natural history. Most cases are asymptomatic, the cysts having been found incidentally on MRI. Occasional cysts do grow and cause new symptoms (usually sacral or leg pain) from nerve root compression. They can be treated surgically.
I hope this answers your question.