Mindblown: a blog about philosophy.
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Normal pressure hydrocephalus
A type of hydrocephalus with enlarged ventricles of the brain with no increase in the spinal fluid pressure or no demonstrable block to the outflow of spinal fluid. Shunting fluids from the dilated ventricles to the peritoneal cavity may be helpful. The classic triad of symptoms includes disturbances of gait, progressive dementia, and urinary incontinence.…
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Noncommunicating hydrocephalus
Hydrocephalus in which a blockage at any location in the ventricular system prevents flow of cerebrospinal fluid to the subarachnoid space.
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Internal hydrocephalus
An accumulation of fluid within ventricles of the brain.
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Hydrocephalus ex vacuo
The appearance on brain imaging of enlarged lateral ventricles, caused by atrophy of the brain.
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External hydrocephalus
An accumulation of fluid in subdural spaces.
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Congenital hydrocephalus
Hydrocephalus occurring in newborns, typically caused by birth defects such as spina bifida, aqueductal stenosis, or birth trauma with ventricular hemorrhage.
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Communicating hydrocephalus
Hydrocephalus that maintains normal communication between the fourth ventricle and subarachnoid space.
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Hydrocephaloid disease
A condition resembling hydrocephalus, except that the fontanels of the infant are depressed owing to dehydration.
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Spermatic hydrocele
Spermatic fluid in the tunica vaginalis of the testes.
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Infantile hydrocele
Peritoneal fluid in the tunica vaginalis and vaginal process with the latter closed at the abdominal ring.
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