Tc-99m pertechnetate

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[edit] Photon energy

140 keV

[edit] Uses, dosages, and Time of Imaging

[edit] Testicular

  • Adult dose: 10 mCi IV
  • Pediatric dose: 250 mCi/kg (minimum 2 mCi)
  • Time of imaging: 60 second flow study with delayed static images

[edit] Meckel's

  • Adult dose: 10 mCi IV
  • Pediatric dose: 30-100 mCi/kg (min 2.0 mCi)
  • Time of imaging: Immediate (1 sec frames x 60 sec; then q 5-10 min x 1 hr)

[edit] Thyroid

  • Adult dose: 1-10 mCi IV (usually 3-5 mCi)
  • Time of imaging: 20 minutes

[edit] Parathyroid subtraction

  • Adult dose: 1-2 mCi IV
  • Time of imaging: Image for 15 minutes after Tl-201 injection and imaging

[edit] Physical half life

6 hours

[edit] Biological half life

[edit] Normal distribution

Stomach, thyroid, salivary glands, (testicles)

[edit] Pharmacokinetics

[edit] Excretion

Renal, GI

[edit] Target organ

Thyroid, colon, bladder, stomach

[edit] Other