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What is an Arnold-Chiari malformation?
An Arnold-Chiari malformation is an alternative name for a Chiari malformation, a malformation of the brain consisting of a downward displacement of the cerebellar tonsils through the foramen magnum.
What does low lying cerebellar tonsils mean?
Arnold Chiari malformation
Which one of the cerebellar peduncles that contains afferent fibers only?
It's the middle cerebellar peduncle.As for superior cerebellar and inferior cerebellar peduncles, they are both contain afferent and efferent fibres.
WHAT IS CEREBELLAR TONSILLARE ECTOPIA?
Cerebellar tonsillar ectopia refers to a brain condition. In this condition, the tonsils near the back of the skull lay low causing herniation.
How many sets of tonsils does a human have?
The number of tonsils in the human body depends on what location you are asking about, but in the mouth and throat there are 4 sets; the pharyngeal tonsils, tubal tonsils, palatine tonsils, and lingual tonsils. If you are talking about other structures that are named tonsils, there are many others such as the cerebellar tonsils.
What is this slight encroachment by the cerebellar tonsils on the foramen magnum without high grade Chiari malformation?
The cerebellar tonsils are crowding or pushing down toward the foramen magnum which could be nothing to worry about unless you have a lot of headaches, neck pain, numbness in arms, tingling in hands...could be the cause for that and really, the only thing you can do to stop that IF that's the cause is surgery which isn't 100A% effective.
My 4 year old was diagnosed with having cerebellar tonsils extending below the foramen magnum what does this mean?
Cerebellar tonsils are parts of the cerebellum of which there are two that lie one on either side of the vermis. The foramen magnum is the large hole in the base of the skull through which a few things pass most importantly the spinal chord. If the cerebellar tontils are also trying to get down through the foreamen magnum then they will put physical pressure on the spinal chord. The result is dependant on the pressure being exerted but likely includes motor and sensory abnormalities.
What are other names for Wallenberg syndrome?
The syndrome is also known as lateral medullary infarct (LMI) or posterior inferior cerebellar artery syndrome (PICA).
What are the three tonsils?
There are FIVE pairs of tonsils in the pharynx or throat, though the exact number will differ depending on the textbook:Nasal (lymphatic tissue in the nose)Adenoids/Pharangeal/Luschka (nasopharynx)Palatine (oropharynx)Tubal (pharynx side of the auditory tubes)Lingual (oropharynx)Note: the cerebellar tonsil is a structure in the brain.
Which cerebellar peduncle is the thickest?
Middle cerebellar peduncle
Connects cerebellar hemispheres at midline?
It is the cerebellar vermis.
What is disease where the brain sits to far down the brainstem causing continued headaches?
Chiari 1 is a condition where the cerebellar tonsils of the brain extend too far down and can cause headaches as well as other symptoms
