brain tumor and its types
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Brain Tumor
&
Its Types
The Brain And Spine Centre
By
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Introduction
Brain Tumor or Intracranial Neoplasm is an abnormal growth of tissue in the brain.
This occurs because the normal metabolism of cells stop. Some cells may not die and new cells will grow.
The Brain Tumors can be mainly divided into two Primary Brain Tumors and Metastatic Brain Tumor.
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Primary Brain Tumor is a tumor that develop from the cells of brain and its surrounding structures.
This benign tumors can be divided into glial and non glial.
Glial contains cells of neurons and non glial contains glads, blood vessels etc.
Primary Brain Tumor can be again classified into Cancerous & Non Cancerous.
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Metastatic Brain Tumor is a tumor that begin from other parts of our body like lungs, prostate and reaches the brain.
These type of Brain Tumors are malignant or it is cancerous.
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Types of Non Cancerous
Brain Tumor
Chordomas
Craniopharyngioma
Gangliocytomas
Glomus Jugulare
Meningiomas
Pineocytomas
Pituitary Adenoma
Schwannomas
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Chordomas
Chordomas develop from lower part of spine and lower base of skull.
These tumors grow slowly and is seen in individuals age 50-60.
Main treatment for chordomas is surgery. By this the tumor can be removed completely or partially.
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Craniopharyngioma
Craniopharyngioma are pituitary gland tumor develop from the embryogenic remnants in pituitary gland.
It is difficult to discover these tumors unless it press or invade its surrounding structures.
The main symptom of Craniopharyngioma is visual defect. Other symptoms are headache, lack of growth etc. The most prefered treatment is microsurgical excision and transcranial route through craniotomy.
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Gangliocytomas & Glomus Jugulare
Gangliomas or Gangliogliomas include neoplastic nerve cells.
These tumors are normally occur in young adults and complete removal of tumor will completely cure gangliomas.
Glomus Jugulare is the most common type of glomus tumor.
These tumors develop on the top of jugular vein which is under the skull base.
The surgery for the removal of these tumors are very complex.
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Meningiomas
Meningiomas develop in meninges which is a membraine like structures surrounding spinal cord and brain.
Meningiomas are different types,
Simple convexity meningioma
Complex skull base meningioma &
Intra-ventricular meningioma
Meningiomas cannot be diagnosed if there are no symptoms.
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The symptoms are
Vomiting
Convulsions or seizures
Severe headache
Blurred vision etc
The structures surrounding the tumor like brain, blood vessels, nerves may get direct pressure from meningiomas.
The best cure for these tumors are complete Micro-surgical removal of tumor.
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Pineocytomas
Pineocytomas are generally occur in the center of the Brain.
These are seen in adults and are non-invasive, slow-growing and homogeneous.
It is derived from pineal cells and can be successfully removed.
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Pituitary Adenoma
The most common intracranial tumors next to meningiomas, gliomas and schwannomas are Pituitary Adenoma.
These are seen in children and amoung people in the age between 30s & 40s.
Adenomas are the most common tumor affecting the pituitary.
Symptoms are,
Nausea or vomiting
Headaches in the forehead area
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Sexual dysfunction and infertility
Muscle weakness etc
Trans Nasal Endoscopic Surgery is one of the best method for removing the tumor completely.
Advantages are,
Less invasive
Fewer side effects
Faster recovery
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Schwannomas
Schwannomas are the most common non-cancerous tumor seen in adults.
These develop in nerves and comprised of nerve cells which provides electrical insulation for nerve cells.
Acoustic neuromas is the common schwannomas tumor.
Even though it is non-cancerous it may lead to death because of pressure causing directly to nerves upto the brain.
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Symptoms are,
Hearing impairment in one ear.
Tinnitus
Loss of balance or dizziness
Decreased eye closure and facial weakness
The best treatment for this is surgery which is done by high end microscope under electro-physiologic monitoring.
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Cancerous Tumor - Gliomas
Gliomas are common cancerous tumor seen in adults.
These are seen 80% of amoung cancerous tumors.
These are different types,
Astrocytomas
Ependymomas
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Glioblastoma multiforme
Medulloblastomas
Oligodendrogliomas
Other types of Brain Tumors
Hemangioblastomas : Slow growing tumor, seen commonly in men and located in cerebellum. Originate from blood vessels and normally large in size.
Rhabdoid Tumors : It is rare but aggressive and will spread fully in central nervous system. More commonly seen in kidneys.
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Thank YouFor more detailed study you can visit our site: www.thebrainandspine.com
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