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

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

Used in the following article:

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

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