Axial non-contrast
Modality: CT (non-contrast)

- “ Subarachnoid hemorrhage - Left PCOM aneurysm. Fischer scale Group 3. Subarachnoid hemorrhage (SAH) is one of the types of intracerebral hemorrhag...”

Used in the following article:

  • Perimesencephalic subarachnoid hemorrhage - “ Perimesencephalic subarachnoid hemorrhage (PMSAH) is a distinct pattern of subarachnoid hemorrhage (SAH), which is centered on the basal cisterns ...”
  • Pseudosubarachnoid hemorrhage - “ Pseudosubarachnoid hemorrhage describes apparent increased attenuation within the basal cisterns simulating true subarachnoid hemorrhage. It is us...”
  • Subarachnoid hemorrhage - “ Subarachnoid hemorrhage (SAH) is a type of extra-axial intracranial hemorrhage and denotes the presence of blood within the subarachnoid space. E...”
  • Fisher scale - “ The Fisher scale is the initial and best known system of classifying the amount of subarachnoid hemorrhage on CT scans, and is useful in predictin...”

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