The brains are the seat of all we are. Every thought and action all of us perform is an output of our human brain. So understandably the thought of an affliction striking the brain can be terrifying.
Human brain cancer is a rare but damaging form of cancer accounting for 2% of all cancer cases worldwide. Human brain cancer refers to the abnormal development and division of cells inside the brain. Brain tumours can be either benign or cancerous and cancer brain tumours are further separated into primary brain tumours that start in the brain and secondary tumours that start elsewhere in the body and spread (metastasize) to the brain.
Whether benign or a malignant tumour can boost the volume of the brain which creates stress in the tight skull space. The particular bony skull is extremely hard and rigid. Any encroachment in this restricted space increases intracranial pressure which could lead to brain damage, coma, and even death.
Types Of Brain Tumours
The first major classification of types of brain tumours is benign and cancerous tumours. Benign brain tumours would be the least aggressive and slowest increasing tumours. They do not have cancerous cellular material and have a good prognosis after treatment.
Malignant or cancerous brain tumours arise from brain cells, supportive cells, and other tissue found in and round the brain.
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These are high-grade tumours. Grading for tumours involves rating a growth on a scale of 1 to four with low-grade scores being 1 and 2, and 3 and 4 are high grade. Benign tumours are low grade which is slower growing, contained, less likely to distribute, and unlikely to return after elimination. On the other hand, malignant or cancerous tumours are high grade which means they are quick growing, spread to surrounding tissues, and are more likely to return after elimination.
Cancerous tumours are further split into primary and secondary tumours.
Primary cancerous tumours originate within the brain itself while secondary tumours are a result of metastasis from tumours in other organ systems, commonly through the lungs.
Primary tumours are scarcer and the most common types of primary brain tumours are gliomas and meningiomas. Gliomas affect the glial cells that are supportive cells in the brain that provide nourishment and structural support in order to neurons. Gliomas account for 50% of all primary brain tumours.
Symptoms Of Brain Tumours
The brain is a large plus complicated organ. Symptoms of brain tumours depend on the size, type, and location of a tumour. Some common signs or symptoms are:
Headaches, typically worse each morning and progressively worsening over time.
Intensifying body weakness
Unexplained weight loss
Behavioural or mood changes
Confusion and memory impairment
Specific symptoms depend on the size of a tumour and its location. Based on this, some of the signs and symptoms that may be noticed are usually:
Personality changes, less inhibition, bad judgement, etc . in frontal lobe tumours
Language difficulties, poor memory, and hearing problems in temporal lobe tumours
Sensory disturbances, modern muscle weakness, etc . In parietal lobe tumours
Visual disturbances or loss of vision in occipital lobe tumours.
Loss of balance and coordination in cerebellar tumours.
Changes in respiration, blood pressure, and heartbeat in brain stem tumours
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