Animal studies on the reduction and/or dilution of 2-deoxy-2- [ 18F]fluoro-D-glucose (FDG) activity in the urinary system

Shigeru Kosuda, Susan Fisher, Richard L. Wahl

Research output: Contribution to journalArticle

Abstract

To evaluate two methods for decreasing and/or diluting the FDG activity in the urinary system, five rats were intraperitoneally given 1,000 μg/g of L-lysine 4 times, starting from 60 minutes before iv injection of FDG, and then at 30-minute intervals for 90 minutes. Five rats were used as controls. In a furosemide study, 12 rats were allocated to three groups. Group 1 received iv injection of FDG alone. Group 2 received saline before iv injection of FDG. Group 3 received furosemide (7 mg/kg) and saline (1/30 of body weight). Neither renal uptake nor urinary excretion of FDG had a statistically significant difference: renal uptake; 0.179±0.011 (L-lysine) vs. 0.119±0.003 (control) % kg injected dose/g. The % dose excreted and total urine volume were: 15.0±2.5 to 15.5±2.5 with 2.98 ml (L-lysine), 22.9±1.8 to 24.2±1.5 with 1.41 ml (control). The furosemide study revealed a statistically significant difference: Group 1; 7.57±4.73, Group 2; 0.686± 0.638, Group 3; 2.37±2.33% kg injected dose/g (p <0.01 for Group 1 vs. Group 2, p <0.05 for Group 1 vs. Group 3). While pretreatment with L-lysine or furosemide failed to decrease renal activity of FDG, saline injection without furosemide markedly decreased urinary activity.

Original languageEnglish (US)
Pages (from-to)213-218
Number of pages6
JournalAnnals of Nuclear Medicine
Volume11
Issue number3
StatePublished - 1997
Externally publishedYes

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Fluorodeoxyglucose F18
Furosemide
Glucose
Lysine
Injections
Kidney
Body Weight
Urine

Keywords

  • 2-deoxy-2-[ F]fluoro-D-glucose
  • L-lysine
  • Urinary system

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Animal studies on the reduction and/or dilution of 2-deoxy-2- [ 18F]fluoro-D-glucose (FDG) activity in the urinary system. / Kosuda, Shigeru; Fisher, Susan; Wahl, Richard L.

In: Annals of Nuclear Medicine, Vol. 11, No. 3, 1997, p. 213-218.

Research output: Contribution to journalArticle

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