Doctor insights on:
Retrocerebellar Arachnoid Cyst
I might have an incidental arachnoid cyst in the posterior fossa & I get chronic nose bleed when I blow my nose from the left nasal im scared from it?
A cyst is a structure or mass that consists of a cellular lined sac. It is typically filled with fluid but may be filled with solid material. It can be congenital, traumatic, or acquired. They may develop nearly anywhere in the body and usually require complete excision for eradication or they are likely to recur. Fluid filled sacs that are not cellular lined ...Read more
What is incidental retrocerebellar arachnoid cyst? I had an MRI because I am having unusual headaches and visual problems.
Congenital cyst: Your arachnoid cyst has little if any impact on your symptoms and is most likely a coincidental insignificant finding. This is reassuring and points toward more of a diagnosis of either migraine or tension headaches, Therapy to break up pattern seems advisable, and maybe you would benefit from BOTOX injections. ...Read more
I read online " small left parasagittal retrocerebellar arachnoid cyst with minimal local mass effect on the left cerebellar hemisphere" what is that and does it have an effect on behavior or brain or health?
Small arachnoid cyst within the right paramedian retrocerebellar region? Is this a common place to have these cyst here?
It is common place:
Posterior fossa in general is where all the action is when it comes to these types of cysts. They are generally thought to be of no clinical significance.
Spinal fluid balloon: Arachnoid is a membrane in the nervous system which is in contact with spinal fluid. Sometimes the fluid is entrapped in folds of the arachnoid causing a pocket of fluid to form either in skull or spinal canal. At times the cyst can enlarge causing brain or spinal cord compression. Arachnoid cysts can be present at birth or develop later. ...Read more
More details please:
The location and size of the cyst impact the treatment decisions.
Is this a primary or secondary cyst>
how old is your granddaughter and is she having symptoms? Was this cyst present at birth? Please resubmit your question with more details and also talk with the physician who made the diagnosis.
Sometimes it helps to write down your three most important concerns and ask the doctor. ...Read more
Likely benign: Arachnoid cysts are congenital lesions and if you have made it into adulthood, it is unlikely to need any intervention. If surgery is recommended, make sure to find out why as unless there are progressive neurological deficits directly attributable to the cyst, surgery is not indicated. ...Read moreSee 2 more doctor answers
Usually asymptomatic: Arachnoid cysts are usually asymptomatic and are found incidentally on imaging studies. However, if they are very large and are showing displacement of the brain or if a patient has bled into them, then neurosurgery may be done to decompress the cysts and decrease the pressure on the surrounding brain. ...Read more
Usually asymptomatic: If and when there are any symptoms, they depend on location and size of the cyst in brain ...Read more
See a surgeon: It depends on the size, location and your symptoms - I would recommend seeing a neurosurgeon to discuss the expectations of surgery vs doing no surgery and the risks - that way you can make an informed decision, but the key advice is to discuss this with someone who actually does this surgery ...Read more
An arachnoi an arachnoid cyst and l what I what is wrong also m also migraine and no 1 can give me an answer as to what is wrong or why I have loss o?
Neurologist: You should consult a neurologist right away. ...Read more
Not normally: These lesion typically cause no significant neurological compromise. These are usually found incidently. By them selves are not life threatening. But if you develope any symptoms headache, numbness timgling or any neurological symptoms gret evaluated assuming a doctor ordered the scan to determine this follow up wpould be appropriate. ...Read moreSee 3 more doctor answers
Let me explain: Small arachnoid cysts are usually symptomless and may not require treatment. If arachnoid cysts grow significantly, they may cause symptoms, such as headache, weakness and fatigue. In serious cases, symptoms may become life threatening. Serious symptoms of arachnoid cysts include seizures, developmental problems, sensory or motor impairment, and hydrocephalus. The location dictate the symptoms. ...Read more
Need for treatment: Depends on size & location of arachnoid cysts & whether or not they cause neurological symptoms from pressure on underlying brain tissue. Neurosurgeons perform minimally invasive micro neurosurgical endoscopic procedures to remove membranes of a cyst or open a cyst so its fluid drains into the normally flowing cerebrospinal fluid. See www. Ninds. Nih. Gov/disorders/arachnoid_cysts/arachnoid_cysts. ...Read more
Arachnoid cyst: Arachnoid cysts are now commonly found on MR studies. If the cyst is small and not causing clinical symptoms there they are rarely treated surgically. ...Read more
Consult neurologist: You need to be followed by a neurologist or neurosurgeon to determine if there is a change in the size of the cyst or if it impinges on vital structures, needing intervention ...Read more
Why?: Why would the arachnoid cyst be removed? Arachnoid cysts usually aren't the cause of problems, they're found when doing a scan because of the problem, but are usually not the cause of the problem. Removing the cyst wouldn't be expected to benefit the psych problems or change personality. ...Read moreSee 1 more doctor answer