The patient as a radioactive source: an intercomparison of survey meters for measurements in nuclear medicine

In this work, the radiation exposure in nuclear medicine is evaluated by measuring dose rates in the proximity of patients and those in close contact to sources like capsules and syringes. A huge number of different survey meters (SMs) are offered commercially. This topic has recently gained interes...

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Bibliographic Details
Published in:Radiation protection dosimetry 2014-11, Vol.162 (1-2), p.101-104
Main Authors: Uhrhan, K, Drzezga, A, Sudbrock, F
Format: Article
Language:English
Subjects:
Fluorine Radioisotopes - analysis
Humans
Iodine Radioisotopes - analysis
Nuclear Medicine
Occupational Exposure - analysis
Organotechnetium Compounds - analysis
Radiation Dosage
Radiation Monitoring
Radiation Protection
Radiometry
Radiopharmaceuticals - analysis
Risk Assessment
Yttrium - analysis
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Summary:In this work, the radiation exposure in nuclear medicine is evaluated by measuring dose rates in the proximity of patients and those in close contact to sources like capsules and syringes. A huge number of different survey meters (SMs) are offered commercially. This topic has recently gained interest since dosemeters and active personal dosemeters (APD) for the new dose quantities (ambient and directional dose equivalent) have become available. One main concern is the practical use of SMs and APD in daily clinical routines. Therefore, the radiation field of four common radiopharmaceuticals containing (18)F, (90)Y, (99m)Tc and (131)I in radioactive sources or after application to the patient was determined. Measurements were carried out with different SMs and for several distances. Dose rates decline significantly with the distance to the patient, and with some restrictions, APD can be used as SMs.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/ncu238