File:Empty light bulb sign (Radiopaedia 27842).jpg

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Empty_light_bulb_sign_(Radiopaedia_27842).jpg ‎(431 × 342 pixels, file size: 18 KB, MIME type: image/jpeg)

Summary:

  • Radiopaedia case ID: 27842
  • Image ID: 5989550
  • Modality: Nuclear medicine
  • System: Central Nervous System
  • Findings: In brain death, on HMPAO-Tc99m imaging there is absent or reduced flow in the internal carotid arteries and increased flow within the external carotid arteries. This leads to absent uptake in the brain with subsequent increased perfusion in the nasal region. This appearance has been called the empty light bulb sign or the hot nose sign.
  • Published: 23rd Feb 2014
  • Source: https://radiopaedia.org/cases/empty-light-bulb-sign
  • Author: Abhinav Ranwaka
  • Permission: http://creativecommons.org/licenses/by-nc-sa/3.0/

Licensing:

Attribution-NonCommercial-ShareAlike 3.0 Unported (CC BY-NC-SA 3.0)

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current19:14, 21 March 2021Thumbnail for version as of 19:14, 21 March 2021431 × 342 (18 KB)Fæ (talk | contribs)Radiopaedia project rID:27842 (batch #11815)

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