Highlights
- •We evaluated the occupational exposures during an abdominal FGIP procedure.
- •We investigated the relation between the BMI of the patient, and the CC for radiation doses.
- •We evaluated the exposure risks of medical radiation workers and patients.
- •The results showed that increasing BMI of the patient, the CC for medical radiation workers decrease.
Abstract
In this study we evaluated the occupational exposures during an abdominal fluoroscopically
guided interventional radiology procedure. We investigated the relation between the
Body Mass Index (BMI), of the patient, and the conversion coefficient values (CC)
for a set of dosimetric quantities, used to assess the exposure risks of medical radiation
workers. The study was performed using a set of male and female virtual anthropomorphic
phantoms, of different body weights and sizes. In addition to these phantoms, a female
and a male phantom, named FASH3 and MASH3 (reference virtual anthropomorphic phantoms),
were also used to represent the medical radiation workers. The CC values, obtained
as a function of the dose area product, were calculated for 87 exposure scenarios.
In each exposure scenario, three phantoms, implemented in the MCNPX 2.7.0 code, were
simultaneously used. These phantoms were utilized to represent a patient and medical
radiation workers. The results showed that increasing the BMI of the patient, adjusted
for each patient protocol, the CC values for medical radiation workers decrease. It
is important to note that these results were obtained with fixed exposure parameters.
Keywords
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Article info
Publication history
Accepted:
November 24,
2017
Received in revised form:
November 21,
2017
Received:
July 24,
2017
Identification
Copyright
© 2017 Associazione Italiana di Fisica Medica. Published by Elsevier Ltd. All rights reserved.
