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19 Cards in this Set

  • Front
  • Back
in premature infants, intraventricular hemorrhage arises most frequently from
a subependymal hemorrhage located in the head of the caudate nucleus
most common cause of intraparenchymal hemorrhage or intracerebral hemorrhage (ICH)
Arterial hypertension
Basilar artery stroke
Locked in syndrome
DLBD
brown pigments
Intracerebral (interparenchymal) hemorrhages of hypertensive origin are more commonly located in
putamen, caudate (BG) thalamus, white matter, base of the pons and white matter of the cerebellum (dentate nucleus)
Thalamic hemorrhage in a hypertensive patient. The cause of intracerebral hemorrhage is rarely definitively diagnosed because
rarely definitively diagnosed because the hematoma may destroy the causative lesion.
Cerebellar hemorrhage of hypertensive origin deserves special mention because in some cases emergency surgical section of a hematoma is indicated to save the patient's life.

The clinical syndrome usually consists of sudden onset of nausea, vomiting, and inability to stand or walk, because of marked ataxia. Headache and dizziness are also common but loss of consciousness or motor deficits are not seen initially.
Patients with cerebellar hemorrhage may deteriorate suddenly because of a compression on the lower part of the brainstem. Emergent surgical resection can be seriously considered.
Subarachnoid hemorrhage
adheres to the brain
subdural hematoma
sticks to the dura!
expanded corpus callosum and right internal capsule, as well as the lack of demarcation of the grey-white interface.
oligodendroglioma
small, round, stippled nuclei with frequent perinuclear haloes.
oligodendrogocytes
bizarre nuclei are one of the anaplastic features of some
glioblastomas
fleshy tumors frequently occupying the cerebellar vermis
meduloblastoma
round, at the grey-white interface and contain neuromelanin
metastases
can also spread to the nerve roots of the cauda equina
metastases
A 60-year-old heart transplant is aggressively treated for organ rejection. The patient develops obtundation and multiple brain lesions. This coronal section shows multiple round, hemmorhagic lesions in both cerebral hemispheres. Several abscesses are located at the gray-white junction
aspergillus
most frequent site for tuberculoma
cerebellum
Lymphocytic vascular cuffing in a case
acute poliomylitis
an abrupt onset of dementia, myoclonus, and ataxia.
Subacute Spongiform Encephalopathy (Creutzfeldt-Jakob disease)