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Full essay brain tumour
Full essay brain tumour
Full essay brain tumour
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BRAIN TUMORS
(Meningioma and Oligodendroglioma)
I. Pathology
A. Meningioma
II. Etiology
A. No known cause
B. Uncontrolled division of meningial cells
III. Specifics
A. Affected cell - meninges (cover and protection of brain and spinal cord)
B. Accounts for 20% of all intracranial tumors
C. Typically benign
D. Between skull and brain
E. Compresses but does not invade brain
IV. Symptoms/Signs
A. Headaches
B. Stroke-like symptoms
C. Seizures
D. Loss of vision
E. Personality changes
F. CT scans and MRI’s can determine presence and exact location
V. Types
A. Convexity (curved part of the skull)
B. Cavernous sinus
C. Sphenoid wing
D. Clivus and parasellar regions
E. Cerebellar (also occur)
VI. Treatments
A. Surgical removal (most common, first option)
B. Regular radiation
C. Stereotactic Radiosurgery (precise radiation delivered to the brain without harm to surrounding tissue/ this is used for meningiomas that are more difficult to safely remove)
VII. Prognosis
A. Excellent (more than 95% survival rate)
B. Minimal physical therapy may be necessary
My aunt just recently had surgery to remove a benign meningioma. The surgery was a success and had she survived despite further complications, her treatment following the surgery was to be mere physical therapy to regain full or partial use of her left hand.
I. Pathology
A. Oligodendroglioma
II. Etiology
A. Unknown
III. Specifics
A. Affects oligodendrocytes (responsible for myelin production, which covers nerves and allows for quick conduction of information)
B. Most common in male adults
C. May be benign or malignant and spread to other parts of brain or even outside
IV. Symptoms/Signs
A. Headaches
B. Vomiting
C. Visual complications
D. Memory loss
E. Problems with coordination and speech
F. Mood and personality changes
G. Paralysis on one side
H. CT scans and MRI’s can determine presence and exact location of tumors
V. Types
A. Frontal lobe
B. Temporal lobe
VI. Treatment
A. Surgery
B. Radiotherapy
C. Chemotherapy
VII. Prognosis
A. Poor long term
B. Often fatality
In addition to current treatment methods for tumors (chemotherapy, radiation, surgery, and stereostatic radiosurgery), testing is being done to determine the effects of hyperthermia, gene and viral therapy, as well as immunotherapy (vaccines) as possible treatment methods. This may be useful because most tumors are more sensitive to heat than other tissues. Of course, as with all cancers and diseases, continuous research is also being done to determine specific causes.
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with a brain tumor may experience the following symptoms or signs. Sometimes, people with a brain tumor do not have any of these changes. Or, the cause of a symptom may be another medical condition that is not a brain tumor. Symptoms of a brain tumor can be general or specific. A general symptom is caused by the pressure of the tumor on the brain or spinal cord. Specific symptoms are caused when a specific part of the brain is not working well because of the tumor. For many people with a brain tumor
According to the Central Brain Tumor Registry of the United States (CBTRUS), the incidence rate of all primary malignant and non-malignant brain and central nervous system tumors (CNS) for 2005 to 2009 was 20.6 cases per 100,00 (7.3 per 100,000 for malignant tumors and 13.3 per 100,000 for non-malignant tumors) (Fig. 1) [1]. Figure 1. Average annual incidence rates of primary brain and CNS tumors by age and type of tumor [1]. The incidence rate for children between 0 and 19 years old was 5.13
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represents about 34% of all primary brain tumors and occurs most frequently in middle-aged women (Brain Tumor Primer 49). Meningioma mostly occurs in older women, but a meningioma can still occur in males at any age, including childhood. Majority of meningioma are benign which are slow growing tumors that are localized and non-infiltrating (Brain Tumor Primer 49). A meningioma can be found at the base of the skull, and in the back, lower part of the brain (Brain Tumor Primer 49). The benign meningioma
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