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Doctor insights on: Myelogram Posterior Fossa

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Should 9mm menigioma in posterior fossa be watched or removed.

Should  9mm menigioma in posterior fossa be watched or removed.

Watch it: Many meningiomas don't change in size and it's safe to watch them over time. I would wonder why there was a ct scan or MRI done in the first place; if you were having symptoms that could be related to the meningioma then that might change things but in most cases meningiomas can be safely monitorred over time, and if you can avoid brain surgery you probably should! ...Read more

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Myelogram (Definition)

A myelogram is a common diagnostic study that most patients tolerate well. The physician will place you on a flouroscopy table, prep your lower back, inject a local anesthetic, place a needle in your back, inject dye, remove the needle, place a bandaid and summon the radiology tech to take x-rays. Then you will have a ct. You will be observed for several ...Read more


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Hi doctors, can you tell me what is posterior fossa syndrome?

Hi doctors, can you tell me what is posterior fossa syndrome?

Posterior fossa synd: This follows surgical excision of a mass in the Brainstem, showing Aphasia, Mutism, difficulty swallowing, mobility problems, & eye movement issues. ...Read more

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Almost 1 year post posterior fossa men. Resection, with complications, i realized recently that I have not sneezed since the surgery. Concerning?

Almost 1 year post posterior fossa men. Resection, with complications, i realized recently that I have not sneezed since the surgery.  Concerning?

Sneezing: Sneezing is typically a response to irritation inside the nose. I doubt the surgery caused this, but not being a neurosurgeon, i don't want to say it cannot happen. It is also possible nothing has caused enough nasal irritation to lead to a sneeze. ...Read more

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What does it mean that the posterior fossa is remarkable for a prominent cisterna magna&prominent masses medial bifrontal regions measuring 15mm?

What does it mean that the posterior fossa is remarkable for a prominent cisterna magna&prominent masses medial bifrontal regions measuring 15mm?

Arnold Chiari: Sounds like an Arnold Chiari Malformation. Which is abnormal development to the cerebellar part of the brain and an increase in the diameter or the foreman magnum or hole that exits the base of the brain. ...Read more

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What does Mild periventricular and subcortical abnormal T2 andsparing posterior fossa and brainstem mean on mri?

What does Mild periventricular and subcortical abnormal T2 andsparing posterior fossa and brainstem mean on mri?

Nonspecific: Sometimes there are some changes or abnormal signal that we see on MRI in the deeper parts of the brain called the "white matter" that show up on an MRI scan. These changes can be non-specific meaning not diagnostic of any particular diseases or related to narrowing of small vessels or sometimes due to diseases such as multiple sclerosis. Happy to review the MRI through a virtual consult. Best! ...Read more

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Explain my anomaly: sup. Sag. Sinus extending into posterior fossa in the midline w/bifurcation into two veins draining into jugular bulbs?

Explain my anomaly: sup. Sag. Sinus extending into posterior fossa in the midline w/bifurcation into two veins draining into jugular bulbs?

Not an issue: You just possess a variation of some of the venous drainage in the brain, and has no pathological significance. Has nothing to do with your headaches or dizziness. Ask you doctor why you possess these issues, and what treatment might help. Maybe see a neurologist. ...Read more

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What should I expect going into a posterior fossa decompression surgery for chiari 1 malformation? Recovery time? Restrictions?

What should I expect going into a posterior fossa decompression surgery for chiari 1 malformation? Recovery time? Restrictions?

Chiari: Most surgery for chiari malformation is a decompressive operation. Surgery takes 3-4 hours. Hospital stay is usually 1 day in ICU and 1-2 days general care. I would recommend lifting less than 10 pounds for the first 2 weeks and less than 25 pounds after that. You will be asked to not bend your head lower than your waist. Recovery occurs in 6-8 weeks. ...Read more

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MRI report reads: fourth ventricle is in midline of the posterior fossa. What does that mean?What follow up is needed? I suffer from chronic headaches

MRI report reads: fourth ventricle is in midline of the posterior fossa. What does that mean?What follow up is needed? I suffer from chronic headaches

Normal....: This is a normal finding. Ventricles in the brain are simply spaces filled with fluid. The location of these spaces are used to determine the brain's location in the skull. The "fourth ventricle" is in the cerebellum the back portion of the brain..the ventricle should be "midline" Your chronic headaches should be evaluated by a headache specialist/neurologist. ...Read more

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