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retrocerebellar arachnoid cyst

A 46-year-old female asked:
Dr. Bennett Machanic
51 years experience Neurology
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 ... Read More
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A 43-year-old male asked:
Dr. Masoud Sadighpour
37 years experience Internal Medicine
No: It is a benign process. Arachnoid cyst is just accumulation of fluid. If it is small and no mass effect which means it does not put pressure on brain ... Read More
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A 21-year-old male asked:
Dr. Dariush Saghafi
32 years experience Neurology
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 signific ... Read More
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A 56-year-old member asked:
Dr. Edward Smith
53 years experience Neurosurgery
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 causin ... Read More
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A 36-year-old female asked:
Dr. Chaim Colen
18 years experience Neurosurgery
Hx of Trauma?: These could potentially be caused by a traumatic event earlier in life.
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A 28-year-old female asked:
Dr. Bennett Machanic
51 years experience Neurology
Likely congenital: Typically found coincidentally when images obtained for very different purpose. Almost always present from birth, but on rare occasions can expand, bu ... Read More
A 41-year-old female asked:
Dr. Yvette Westford
19 years experience Obstetrics and Gynecology
No: A simple cyst has a very specific benign appearance, while a cystadenocarcinoma usually has characteristics that are pathognomonic for a complex mass. ... Read More
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A 47-year-old member asked:
Dr. Aaron Shiloh
27 years experience Aesthetic Medicine
No: No they are degenerative cysts.
A 57-year-old female asked:
Dr. Edward Smith
53 years experience Neurosurgery
Sounds likely: Diseases involving other organs occur such as polycystic kidney or polycystic ovaries occur. The central nervous system is not immune from such malfor ... Read More
A 29-year-old female asked:
Dr. K.C. Brewington
25 years experience Neurosurgery
Sometimes: Aarachnoid cysts can show enlargement with age. Chiari malformations can worsen via increased cord compression or by hydrocephalus/syringomyelia.
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A 30-year-old female asked:
Dr. Olav Jaren
18 years experience Neurology
Chiari malformation: Most chiari malformations are congenital, benign, and they are not associated with temporal lobe cysts.
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A 46-year-old member asked:
Dr. Jefferson Chen
33 years experience Neurosurgery
Hard to say: If the interpretation on the MRI by the radiologist is that it is a cyst, then it is likely benign. It also depends if there is any area of enhancemen ... Read More
A 35-year-old male asked:
Dr. Adam Lewis
34 years experience Neurosurgery
Arachnoid cyst: No. Arachnoid cysts of the temporal fossa are common findings on MRI studies. They are congenital (from birth) and usually without symptoms. Medicatio ... Read More
A 35-year-old female asked:
Dr. Gerard Honore
28 years experience Fertility Medicine
Yes: It can. It would be helpful to know your age and history to comment further. Septated cysts are also a malignancy risk but there are septated benign t ... Read More
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A 56-year-old member asked:
Dr. James Goodrich
38 years experience Neurosurgery
Pineal gland cyst: Pineal gland cysts are not at all uncommon. As long as the mr is not showing any tumor characteristics which it sounds like is the case here here. The ... Read More
A 26-year-old female asked:
Dr. Ahmad M Hadied
48 years experience Orthopedic Surgery
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 h ... Read More
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A 57-year-old female asked:
Dr. Dennis Higginbotham
29 years experience Obstetrics and Gynecology
Possible: Most malignant ovarian cancers are complex and multilocular / multiseptate. But many benign ovarian cysts also present that way as well. The only wa ... Read More
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A 41-year-old female asked:
Dr. Gerard Honore
28 years experience Fertility Medicine
Certainly: It can.
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A 55-year-old female asked:
Dr. Atif Haque
17 years experience Neurosurgery
Atrophy: The midline lipoma probably doesnt warrant any treatment. These are usually incidental findings, but they can be associated with some congenital brain ... Read More
A 29-year-old male asked:
Dr. Sewa Legha
49 years experience Medical Oncology
Unlikely: But you should keep track of it with Ultrasound once or twice about a year apart to check for any change in size...just to be sure.
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A 29-year-old female asked:
Dr. David Hicks
42 years experience Family Medicine
Not normally: These lesion typically cause no significant neurological compromise. These are usually found incidently. By them selves are not life threatening. But ... Read More
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A 52-year-old member asked:
Dr. Dennis Higginbotham
29 years experience Obstetrics and Gynecology
Rarely: It is possible to have significant bleeding from a ruptured ovarian cyst, but very unlikely. Every woman will have an ovarian cyst that ruptures each ... Read More
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A 35-year-old male asked:
Dr. Thomas Mahoney
35 years experience Obstetrics and Gynecology
Time: While painful, these should resolve on their own within 1-2 cycles. The treatment is usually pain control--ibuprofen or tylenol (acetaminophen). If ... Read More
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A 43-year-old member asked:
Dr. Marina Landa
31 years experience Pathology
Can be benign: Ovarian cystic mural noduls could be benign - fibroadenomas, could have borderline potential and can be malignant. Carefull pathologic/ microscopic ev ... Read More
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A 37-year-old male asked:
Dr. Walter Husar
32 years experience Neurology
Don't be scared: An arachnoid cyst is something that you were born with and it's location is very far removed and completely unrelated to your nosebleeds.
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90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

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Personalized answers
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