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Idiopathic intracranial hypertension (IIH), previously known as pseudotumor cerebri and benign intracranial hypertension, is a condition characterized by increased intracranial pressure (pressure around the brain) without a detectable cause. [2] The main symptoms are headache, vision problems, ringing in the ears, and shoulder pain.
Which can result in a variety of neurological symptoms, such as pseudotumor cerebri, chronic fatigue syndrome, different types of headaches, visual disturbances, pulsatile tinnitus and various neurodegenerative diseases. [5] [6] [non-primary source needed] [7] [8] [non-primary source needed] [9] [better source needed] [1] [10] [excessive citations]
A brain tumor (sometimes referred more commonly as brain cancer) occurs when a group of cells within the brain turn cancerous and grow out of control, creating a mass. There are two main types of tumors: malignant (cancerous) tumors and benign (non-cancerous) tumors. [2]
Brain tumor, idiopathic intracranial hypertension (also known as Pseudotumor Cerebri), cerebral venous sinus thrombosis or intracerebral hemorrhage; Respiratory failure [4] Isotretinoin, which is a powerful derivative of vitamin A, rarely causes papilledema. medications like tetracycline
Cerebral edema is excess accumulation of fluid in the intracellular or extracellular spaces of the brain. [1] This typically causes impaired nerve function, increased pressure within the skull, and can eventually lead to direct compression of brain tissue and blood vessels. [1]
In a study on the circle of Willis and its relation to cerebral vascular disorders, a comparison on various anomalies between normal brains (those without the condition of cerebral softening) and brains with cerebral softening were looked at to observe trends in the differences of the anatomical structure of the circle of Willis.
Intracranial pressure (ICP) is the pressure exerted by fluids such as cerebrospinal fluid (CSF) inside the skull and on the brain tissue. ICP is measured in millimeters of mercury and at rest, is normally 7–15 mmHg for a supine adult.
A brain tumor is an abnormal growth of cells within the brain or inside the skull, and can be cancerous or non-cancerous ().Just over half of all primary brain tumors are malignant; the rest are benign, though they may still be life-threatening.