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  2. Cerebral edema - Wikipedia

    en.wikipedia.org/wiki/Cerebral_edema

    [1] [3] CT scan is the imaging modality of choice as it is widely available, quick, and with minimal risks. [1] However, CT scan can be limited in determining the exact cause of cerebral edema in which cases, CT angiography (CTA), MRI, or digital subtraction angiography (DSA) may be necessary. MRI is particularly useful as it can differentiate ...

  3. Cerebral contusion - Wikipedia

    en.wikipedia.org/wiki/Cerebral_contusion

    cerebral edema , transtentorial herination Cerebral contusion ( Latin : contusio cerebri ), a form of traumatic brain injury , is a bruise of the brain tissue. [ 2 ] Like bruises in other tissues, cerebral contusion can be associated with multiple micro hemorrhages , small blood vessel leaks into brain tissue.

  4. Pseudosubarachnoid hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Pseudosubarachnoid_hemorrhage

    A pseudosubarachnoid hemorrhage is an apparent increased attenuation on CT scans within the basal cisterns that mimics a true subarachnoid hemorrhage. [1] This occurs in cases of severe cerebral edema, such as by cerebral hypoxia.

  5. Computed tomography of the head - Wikipedia

    en.wikipedia.org/wiki/Computed_tomography_of_the...

    CT scan detects and precisely localizes the intracranial hematomas, cerebral contusions, edema and foreign bodies. [ 2 ] Even in emergency situations, when a head injury is minor as determined by a physician's evaluation and based on established guidelines, CT of the head should be avoided for adults and delayed pending clinical observation in ...

  6. Intraparenchymal hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Intraparenchymal_hemorrhage

    A CT scan is the best test to look for bleeding in or around your brain. In some hospitals, a perfusion CT scan may be done to see where the blood is flowing and not flowing in your brain. Magnetic resonance imaging (MRI scan) : A special MRI technique ( diffusion MRI ) may show evidence of an ischemic stroke within minutes of symptom onset.

  7. Idiopathic intracranial hypertension - Wikipedia

    en.wikipedia.org/wiki/Idiopathic_intracranial...

    Neuroimaging, usually with computed tomography (CT/CAT) or magnetic resonance imaging (MRI), is used to exclude any mass lesions. In IIH these scans typically appear to be normal, although small or slit-like ventricles , dilatation and buckling [ 18 ] of the optic nerve sheaths and " empty sella sign " (flattening of the pituitary gland due to ...

  8. Intracranial hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Intracranial_hemorrhage

    CT scan (computed tomography) of the brain (without any iodinated contrast), is the initial imaging choice because of its high speed, good accessibility in hospitals, high sensitivity in detecting brain injuries or brain diseases, thus helping to triage patients in emergency department in a timely manner and urgent neurosurgical intervention ...

  9. Amyloid-related imaging abnormalities - Wikipedia

    en.wikipedia.org/wiki/Amyloid-related_imaging...

    ARIA-E refers to cerebral edema, involving the breakdown of the tight endothelial junctions of the blood-brain barrier and subsequent accumulation of fluid. [3] In a double-blind trial of the humanised monoclonal antibody solanezumab (n = 2042), sixteen patients (11 taking the drug, 5 taking a placebo), or 0.78% developed ARIA-E.