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  2. Hydrocephalus - Wikipedia

    en.wikipedia.org/wiki/Hydrocephalus

    Scarring and fibrosis of the subarachnoid space following infectious, inflammatory, or hemorrhagic events can also prevent reabsorption of CSF, causing hydrocephalus. [ 47 ] Normal pressure hydrocephalus (NPH) is a form of chronic communicating hydrocephalus, with enlarged cerebral ventricles and intermittently increased cerebrospinal fluid ...

  3. Arachnoid cyst - Wikipedia

    en.wikipedia.org/wiki/Arachnoid_cyst

    Trauma can cause the fluid within a cyst to leak into other areas (e.g., subarachnoid space). Blood vessels on the surface of a cyst may tear and bleed into the cyst (intracystic hemorrhage), increasing its size. If a blood vessel bleeds on the outside of a cyst, a collection of blood may result. In the cases of intracystic hemorrhage and ...

  4. Intracranial aneurysm - Wikipedia

    en.wikipedia.org/wiki/Intracranial_aneurysm

    If an aneurysm ruptures, blood leaks into the space around the brain. This is called a subarachnoid hemorrhage. Onset is usually sudden without prodrome, classically presenting as a "thunderclap headache" worse than previous headaches. [11] [12] Symptoms of a subarachnoid hemorrhage differ depending on the site and size of the aneurysm. [12]

  5. Subarachnoid hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Subarachnoid_hemorrhage

    Medical condition Subarachnoid hemorrhage Other names Subarachnoid haemorrhage CT scan of the brain showing subarachnoid hemorrhage as a white area in the center (marked by the arrow) and stretching into the sulci to either side Pronunciation / ˌ s ʌ b ə ˈ r æ k n ɔɪ d ˈ h ɛ m ər ɪ dʒ / Specialty Neurosurgery, Neurology Symptoms Severe headache of rapid onset, vomiting, decreased ...

  6. Intracerebral hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Intracerebral_hemorrhage

    Hemorrhagic stroke may occur on the background of alterations to the blood vessels in the brain, such as cerebral arteriolosclerosis, cerebral amyloid angiopathy, cerebral arteriovenous malformation, brain trauma, brain tumors and an intracranial aneurysm, which can cause intraparenchymal or subarachnoid hemorrhage.

  7. Intracranial hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Intracranial_hemorrhage

    A subarachnoid hemorrhage (SAH) is bleeding into the subarachnoid space—the area between the arachnoid membrane and the pia mater surrounding the brain. Trauma can also cause SAH when the arteries and veins coursing through the subarachnoid space are ruptured.

  8. 5 brain tumor symptoms you shouldn't ignore - AOL

    www.aol.com/5-brain-tumor-symptoms-shouldnt...

    The 41-year-old TV personality discovered she had a golf ball-sized growth pushing on her facial nerves in 2017 after experiencing dizziness, headaches and slurred speech. Doctors removed the ...

  9. Cerebrospinal fluid leak - Wikipedia

    en.wikipedia.org/wiki/Cerebrospinal_fluid_leak

    [23] [25] This headache is usually made worse by standing and typically becomes prominent throughout the day, with the pain becoming less severe when lying down. [26] Orthostatic headaches can become chronic and disabling to the point of incapacitation. [23] [27] [28] [29] Some people will develop headaches that begin in the afternoon.