These notes include details about the causes of brain damage and the types of neuropsychological diseases. It explains brain tumors, stroke, cerebral hemorrhage, cerebral ischemia, contusions, infections of the brain, neurotoxins, types of seizures, parkinson’s disease and huntington’s disease.
➔ a sudden-onset cerebrovascular event that
➔ A tumor (neoplasm) is a mass of cells that causes brain damage
grows independently of the rest of the body - ➔ Third leading cause of death in the US and
a cancer most common cause of adult disability
➔ 20% of brain tumors are meningiomas ◆ Mild- partial paralysis
(encased in meninges) ◆ Incapacitating - full body paralysis
◆ encapsulated (grows within their
own membrane)
◆ usually benign (surgically CEREBRAL HEMORRHAGE
removable)
➔ 80% grow on the surface of the brain ➔ bleeding in the brain
◆ Most brain tumors are infiltrating ➔ Can be caused by stress (result to aneurysm
◆ Grow diffusely through surrounding - blood vessel suddenly erupts)
tissue malignant , difficult to remove ➔ High blood pressure (the higher your blood
or destroy pressure the stretchier your blood vessels
➔ About 10% of brain tumors are metastatic become)
◆ (they originate elsewhere, usually ➔ blood vessel ruptures
the lungs) ➔ Aneurysm
◆ The cancer cells travel to other ➔ a weakened point in a blood vessel
body parts that makes a stroke more likely
➔ maybe congenital (present at birth)
Glioblastoma or due to poison or infection
➔ the deadliest brain tumor (malignant) CEREBRAL ISCHEMIA
➔ aggressive type of tumor
➔ starts in stages (stage 1 -4) ➔ disruption of blood supply
➔ if remain undetected in a matter of 1 month, ◆ Thrombosis - a plug forms in the
a stage 1 glioblastoma can become stage 3 brain
➔ a glioblastoma can grow anywhere ◆ Embolism - a plug forms
➔ its classification depends in the aggression elsewhere and moves to the brain
of the cancer ◆ Arteriosclerosis - wall of blood
vessels thicken; usually due to fat
Malignant - cancerous deposits
Benign - non-cancerous ➔ PLUG - hardened blood or fat deposits
◆ Pulmonary Embolism - plug
Gliomas forms in the lungs, and it reaches to
the brain
➔ benign
➔ but if it remains undetected for a long time it
can become malignant
➔ Brain tumors are difficult to diagnose
because their symptoms are typical.
◆ Meaning its symptoms are similar to
other illnesses.
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