I have a chiari 1 malformation, and an arachnoid cyst, how do I know if I am a candidate for surgery?

See a neurosurgeon. Depending on the location of the arachnoid cyst and the degree of cerebellar tonsilar ectopia from your chiari, you may well be a surgical candidate. Posterior fossa arachnoid cysts are a common cause of secondary chiari malformations(if the cyst is large enough to create increased pressure, it can push the bottom of the cerebellum through the foramen magnum, causing the chiari). See neurosurgeo.
Depends on symptoms. If the chiari 1 is symptomatic, then surgical treatment should be considered. The same goes for the arachnoid cyst - where exactly is it and is it causing symptoms? Both conditions can be "incidental-omas" and need no treatment.
See a neurosurgeon. A well trained neurosurgeon can evaluate you, correlate your symptoms with the MRI appearance of the chiari, and decide whether surgery would be safe and effective to relieve your symptoms. Not all chiari malformations need surgery.

Related Questions

I have an arachnoid cyst and a chiari 1 malformation. I know it depends on the person but how likely is it that I will need surgery?

Will try to get info. I will try to get more information on this for you from our neurosurgeons on healthtap. Please be patient. Many are literally still in the or> thanks for your question. Read more...
Only eval will tell. The only way to know if you'll need surgery is your exam by a neurosurgeon who does chiari decompressions. He will thoroughly evaluate your clinical symptoms, physical symptoms, MRI findings and base his opinion on those findings. Most arachnoid cysts do not require surgery as they are present from the beginning of your brain development. See a neurosurgeon and good luck! Read more...
See below. Again the answer will vary depending on the patient, but here goes. If the arachnoid cyst is not growing or causing any pressure problems, it can probably just be watched. If the chiari malformation is not causing problems it too can just be watched. If the headaches, or other symptoms, get worse then consult your neurosurgeon. Good luck. Read more...