• Assessment of organ-specific r...

*Result*: Assessment of organ-specific radiation dose reduction by integrated shielding configuration in mammography: a Monte Carlo simulation and experimental validation study.

Title:
Assessment of organ-specific radiation dose reduction by integrated shielding configuration in mammography: a Monte Carlo simulation and experimental validation study.
Authors:
Jeon KS; Department of Biomedical Engineering, Chungnam National University, 266 Munhwa-ro, Jung-gu, Daejeon 35015, Republic of Korea.
Source:
Journal of radiological protection : official journal of the Society for Radiological Protection [J Radiol Prot] 2026 Feb 06; Vol. 46 (1). Date of Electronic Publication: 2026 Feb 06.
Publication Type:
Journal Article; Validation Study
Language:
English
Journal Info:
Publisher: IOP Pub. Ltd Country of Publication: England NLM ID: 8809257 Publication Model: Electronic Cited Medium: Internet ISSN: 1361-6498 (Electronic) Linking ISSN: 09524746 NLM ISO Abbreviation: J Radiol Prot Subsets: MEDLINE
Imprint Name(s):
Original Publication: [Bristol, UK] : IOP Pub. Ltd., [c1988-
MeSH Terms:
Radiation Protection*/instrumentation , Radiation Protection*/methods , Mammography*, Monte Carlo Method ; Humans ; Radiation Dosage ; Phantoms, Imaging ; Equipment Design ; Computer Simulation ; Thermoluminescent Dosimetry ; Female ; Scattering, Radiation
Contributed Indexing:
Keywords: MCNPX; Monte Carlo; axilla; eye lens; mammography; scatter radiation; thyroid
Entry Date(s):
Date Created: 20260126 Date Completed: 20260206 Latest Revision: 20260206
Update Code:
20260207
DOI:
10.1088/1361-6498/ae3d42
PMID:
41587488
Database:
MEDLINE

*Further Information*

*Scatter radiation to out-of-field radiosensitive organs such as the eyes, thyroid, and axilla can contribute to peripheral dose during mammography. This study evaluates an integrated shielding configuration designed to reduce such exposure. A high-density lead-glass face guard (LG-FG) and a hybrid compression paddle with stainless steel (HCSS-paddle) were modelled in MCNPX using Mo/Mo spectra at 25-35 kV under craniocaudal (CC) geometry. Simulation outputs were validated using optically stimulated luminescent dosimeters (OSLDs) and thermoluminescent dosimeter-100 (TLD-100) measurements on an anthropomorphic phantom. Both simulation and measurement showed consistent peripheral organ dose reductions of approximately ~85%-95% in the eyes, thyroid, and axilla, with modest change in compressed-breast dose (⩽10%-12%) and torso dose (⩽5%). Simulation-measurement differences remained within the predefined ±10% equivalence margin, indicating strong agreement between Monte Carlo predictions and phantom measurements.
(© 2026 Society for Radiological Protection. Published on behalf of SRP by IOP Publishing Limited. All rights, including for text and data mining, AI training, and similar technologies, are reserved.)*