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Table 2 Hounsfield Unit thresholds used for tissue segmentation

From: The dosimetric impact of replacing the TG-43 algorithm by model based dose calculation for liver brachytherapy

HU range

Assigned tissue

-1024 to -900

Air

-899 to -200

Lung

-199 to 0

Mean adipose tissue

0 to 200

Mean male/female soft tissue

201 to 2000

Cortical bone