From the case: Cystic glioblastoma

Nuclear medicine

Tc-99m Ceretec (Tc-99m HMPAO Hexamethylpropylene) cerebral perfusion scan

Brain perfusion scan Static view
Modality: Nuclear medicine (Brain perfusion scan Static view)

- “ The patient underwent left parietal craniotomy with incisional biopsy and aspiration of fluid contents of the left parieto-occipital cystic brain...”

Used in the following article:

  • Brain death - “ Brain death refers to the irreversible end of all brain activity and is usually assessed clinically. Radiographic testing may be used as additiona...”
  • Empty light bulb sign (brain death) - “ In brain death, on Tc-99m HMPAO imaging there is absent or reduced flow in the internal carotid arteries and increased flow within the external ca...”
  • Hot nose sign - “ The hot nose sign refers to increased perfusion in the nasal region on nuclear medicine cerebral perfusion studies in the setting of brain death. ...”

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