HOUNSFIELD UNIT

Definisi: perbandingan densitas berbagai obyek pada CT-scan secara numerik

  • air: -1000 HU
  • bone (cortical): >1000 HU
  • bone (trabecular): 300 to 800 HU
  • brain (grey matter): 40 HU 
  • brain (white matter): 30 HU 
  • subcutaneous fat: -100 to -115 HU 
  • liver: 45-50 HU 
  • lungs: -950 to -650 HU 
  • metal: >3000 HU
  • muscle: 45 to 50 HU
  • renal cortex: 25 to 30 HU
  • spleen: 40 to 45 HU
  • water: 0 HU (by definition) (Radiopaedia)
  • blood: 13-75 HU (Wikipedia)

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