A Case Study of a Colloid Cyst

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A Case Study of a Colloid Cyst

Colloid cysts in the third ventricle of are very rare

intracranial benign tumors. The cysts are located deep inside

which makes treatment of the tumor very difficult. It takes a

team of skilled professionals to treat patient with these kinds

of cysts. The two people that I will be focusing on are the

Neurologist and the Neurosurgeon even though there are whole

teams of people that specialize in neurosurgery and that see to

the patients care pre and post operation.

The Role of the Neurologist:

The role of the Neurologist is to diagnose and come up with a

plan of action for the patient, depending on what is wrong with

the patient. The Neurologist can order test for the patient to

see what is wrong and what needs to be done. These tests can

include but are not limited to blood test, CT scan, or MRI scan.

The Neurologist works with the Neurosurgeon and instructs him or

her on what to do during the surgery.

Patient can get referred to Neurologist for many reasons but

most often the patient symptoms are intracranial pressure

(headaches) and/ or dizzy spells. Common signs of a colloid cyst

are short-term memory interruptions and papilledema.

Papilledema is swelling of the optic disk where the optic nerve

enters the eyeball. The optic nerve is responsible for carrying

virtual impulses to the brain.

Based on the symptoms of the patient the neurologist will order

test to find out what is going on. A Magnetic Resonance Imaging

(MRI) is one way of diagnosing. Most of the brain and central

nervous system problems are diagnosed through the use of a MRI.

MRI creates an image using nuclear magnetic resonance and is

possible because the human body is filled with small biological

magnets. (See figure 1, normal brain during MRI)

In the case of the patient he never saw a neurologist because

his colloid cyst was found during a routine CAT scan following

his accident. However the patient was suffering from dizzy

spells prior to surgery.

For patients with a colloid cyst the most common plan of action

is surgery, which is preformed about 93% of the time. The two

method used most often are Transcallosal and

transcortialtransventricular. Out of the 105 patients in the
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