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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.
Drug-induced intracranial hypertension (DIIH) or medication-induced intracranial hypertension is a condition of higher than normal intracranial pressure with the main cause being a drug. [15] This condition is similar to idiopathic intracranial hypertension , however the etiology in this instance is a drug. [ 16 ]
The utility of the method was successfully confirmed on four healthy subjects and four patients with intracranial hypertension, but larger validation studies have never been conducted as the method failed to attract enough interest among clinicians. This method also needs a calibration to the individual patients.
This is a dangerous sign, indicative of a brain tumor, CNS inflammation or idiopathic intracranial hypertension (IIH) that may become manifest in the near future. Thus, a biopsy is routinely performed prior to the treatment in the initial stages of papilledema to detect whether a brain tumor is present. If detected, laser treatment, radiation ...
Idiopathic intracranial hypertension, or unexplained high pressure in the cranium, is a rare condition that can cause visual impairment, frequent severe headache, and tinnitus. It is most commonly seen in obese women, and the incidence of idiopathic intracranial hypertension is increasing along with increases in the number of people who are obese.
Lumbar–peritoneal shunts are used in neurological disorders, in cases of chronic increased intracranial pressure to drain excess cerebrospinal fluid (CSF) from the Subarachnoid cavity associated with such conditions as hydrocephalus and Benign intracranial hypertension (BIH) also known as idiopathic intracranial hypertension (IIH) and ...
Improvements on the diagnosis of cerebral venous sinus thrombosis in life were made with the introduction of venography in 1951, [33] which also aided in the distinction from idiopathic intracranial hypertension, [34] which has similar presenting signs and symptoms in many cases. [30]
Because of the normal aldosterone level, hypertension is not expected. Normal cortisol level can be explained by the strong negative feedback mechanism of cortisol on hypothalamus-pituitary axis system. That is, in the beginning, 17,20-lyase deficiency will block synthesis of sex steroid hormones, forcing the pathways to produce more cortisol.