TABLE 2

Absorbed Doses of 18F-FETNIM to Target Organs

Target organVoiding interval18F-FMISO* 2 h (mGy/MBq)18F-FDG
2 h (mGy/MBq)4 h (mGy/MBq)ICRP 60 (mGy/MBq)MIRD 19 (mGy/MBq)
Adrenals0.0120.0120.0170.012
Brain0.0060.0060.0090.0280.046
Breasts0.0070.0070.0120.009
Gallbladder wall0.0140.0140.0150.012
Lower large intestine wall0.0120.0140.0140.015
Small intestine0.0120.0120.0110.013
Stomach0.0120.0120.0130.011
Upper large intestine wall0.0140.0150.0140.012
Heart wall0.0110.0110.0190.0620.068
Kidneys0.0270.0270.0160.0210.021
Liver0.0240.0240.0180.0110.024
Lungs0.0080.0080.0100.0100.015
Muscle0.0120.0120.0140.011
Ovaries0.0130.0140.0180.0150.011
Pancreas0.0190.0190.0170.0120.014
Red marrow0.0120.0120.0100.0110.011
Bone surfaces0.0110.0110.0080.011
Skin0.0070.0070.0050.008
Spleen0.0200.0200.0160.0110.015
Testes0.0100.0110.0150.0120.011
Thymus0.0090.0090.0160.011
Thyroid0.0090.0090.0150.010
Urinary bladder wall0.0620.1270.0210.1600.073
Uterus0.0150.0180.0180.0210.012
Total body0.0110.0110.013
Effective dose equivalent§0.0170.0210.013
Effective dose§0.0150.0190.019
  • * Median values from 18F-FMISO dosimetry study (9).

  • Median values from 18F-FDG ICRP dosimetry (14).

  • Median values from 18F-FDG MIRD 19 dosimetry (20).

  • § Units are mSv/MBq.