Absorbed Dose in the Uterus of a Three Months Pregnant Woman Due to 131I

The use of 131I is widely used in diagnostic and treatment of patients. If the patient is pregnant the 131I presence in the thyroid it becomes a source of constant exposition to other organs and the fetus. In this study the absorbed dose in the uterus of a 3 months pregnant woman with 131I in her th...

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Bibliographic Details
Published in:AIP conference proceedings 2006-09, Vol.854 (1)
Main Authors: Vega-Carrillo, Hector Rene, Manzanares-Acuna, Eduardo, Hernandez-Davila, Victor Martin, Arcos-Pichardo, Areli, Barquero, Raquel, Iniguez, M. Pilar
Format: Article
Language:English
Subjects:
ATTENUATION
DIAGNOSIS
DOSIMETRY
FETUSES
GYNECOLOGY
IODINE 131
MONTE CARLO METHOD
NECK
PATIENTS
PHANTOMS
PHOTONS
RADIATION DOSES
RADIOLOGY AND NUCLEAR MEDICINE
THYROID
UTERUS
WOMEN
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Summary:The use of 131I is widely used in diagnostic and treatment of patients. If the patient is pregnant the 131I presence in the thyroid it becomes a source of constant exposition to other organs and the fetus. In this study the absorbed dose in the uterus of a 3 months pregnant woman with 131I in her thyroid gland has been calculated. The dose was determined using Monte Carlo methods in which a detailed model of the woman has been developed. The dose was also calculated using a simple procedure that was refined including the photons' attenuation in the woman organs and body. To verify these results an experiment was carried out using a neck phantom with 131I. Comparing the results it was found that the simple calculation tend to overestimate the absorbed dose, by doing the corrections due to body and organs photon attenuation the dose is 0.14 times the Monte Carlo estimation.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2356404