Distribution of Tc-99m administered as labeled microspheres for lung imaging
Conference
·
· HHS Publ. (FDA) (U.S.); (United States)
OSTI ID:5705834
We have measured the distribution of Tc-99m in 36 patients receiving labeled microspheres for routine lung imaging studies. Quantitative organ measurements were made by conjugate counting with an Anger camera at various times for 24 hours. Initial uptake was all in lung as expected. Removal of Tc-99m from lung was principally by elution of activity as TcO/sub 4//sup -/ rather than by breakup of the microspheres. Calculated radiation doses in mrad/mCi were as follows: lung, 229; kidney, 138; stomach, 72; thyroid, 72; and bladder wall, 40. Doses to other tissues were all below 40 mrads/mCi.
- Research Organization:
- State Univ. of New York, Buffalo
- OSTI ID:
- 5705834
- Report Number(s):
- CONF-801082-
- Conference Information:
- Journal Name: HHS Publ. (FDA) (U.S.); (United States) Journal Volume: 81-8166
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550601 -- Medicine-- Unsealed Radionuclides in Diagnostics
560171* -- Radiation Effects-- Nuclide Kinetics & Toxicology-- Man-- (-1987)
62 RADIOLOGY AND NUCLEAR MEDICINE
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BILIARY TRACT
BODY
COUNTING TECHNIQUES
DIAGNOSTIC TECHNIQUES
DIAGNOSTIC USES
DIGESTIVE SYSTEM
DISTRIBUTION
DOSES
ENDOCRINE GLANDS
GASTROINTESTINAL TRACT
GLANDS
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL IRRADIATION
IRRADIATION
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KIDNEYS
LABELLED COMPOUNDS
LUNGS
MICROSPHERES
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PATIENTS
RADIATION DOSE DISTRIBUTIONS
RADIATION DOSES
RADIOISOTOPE SCANNING
RADIOISOTOPES
RADIONUCLIDE KINETICS
RESPIRATORY SYSTEM
SCINTISCANNING
STOMACH
TECHNETIUM 99
TECHNETIUM ISOTOPES
THYROID
TISSUE DISTRIBUTION
USES
YEARS LIVING RADIOISOTOPES
560171* -- Radiation Effects-- Nuclide Kinetics & Toxicology-- Man-- (-1987)
62 RADIOLOGY AND NUCLEAR MEDICINE
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BILIARY TRACT
BODY
COUNTING TECHNIQUES
DIAGNOSTIC TECHNIQUES
DIAGNOSTIC USES
DIGESTIVE SYSTEM
DISTRIBUTION
DOSES
ENDOCRINE GLANDS
GASTROINTESTINAL TRACT
GLANDS
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
INTERNAL IRRADIATION
IRRADIATION
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KIDNEYS
LABELLED COMPOUNDS
LUNGS
MICROSPHERES
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PATIENTS
RADIATION DOSE DISTRIBUTIONS
RADIATION DOSES
RADIOISOTOPE SCANNING
RADIOISOTOPES
RADIONUCLIDE KINETICS
RESPIRATORY SYSTEM
SCINTISCANNING
STOMACH
TECHNETIUM 99
TECHNETIUM ISOTOPES
THYROID
TISSUE DISTRIBUTION
USES
YEARS LIVING RADIOISOTOPES