Idiopathic intracranial hypertension

（重定向自Serous meningitis）

A lumbar puncture in progress. A large area on the back has been washed with an iodine-based disinfectant leaving brown colouration. In this image the patient is seated upright, which can make the procedure easier to perform but makes any measurement of the opening pressure unreliable.

The incidence of IIH is strongly determined by sex and body weight. The figures in females are in women between 20 and 45 years old.[1]

Idiopathic intracranial hypertension (IIH), sometimes called by the older names benign intracranial hypertension (BIH) or pseudotumor cerebri (PTC), is a neurological disorder that is characterized by increased intracranial pressure (pressure around the brain) in the absence of a tumor or other diseases. The main symptoms are stroke-like headache, nausea, and vomiting, as well as pulsatile tinnitus (sounds perceived in the ears, with the sound occurring in the same rhythm as the pulse), double vision and other visual symptoms. If untreated, it may lead to swelling of the optic disc in the eye, which can progress to vision loss.

单词	Serous meningitis
释义	Serous meningitis 英语百科 Idiopathic intracranial hypertension （重定向自Serous meningitis） Idiopathic intracranial hypertension (IIH), sometimes called by the older names benign intracranial hypertension (BIH) or pseudotumor cerebri (PTC), is a neurological disorder that is characterized by increased intracranial pressure (pressure around the brain) in the absence of a tumor or other diseases. The main symptoms are stroke-like headache, nausea, and vomiting, as well as pulsatile tinnitus (sounds perceived in the ears, with the sound occurring in the same rhythm as the pulse), double vision and other visual symptoms. If untreated, it may lead to swelling of the optic disc in the eye, which can progress to vision loss.
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