Journal
JOURNAL OF RADIOLOGICAL PROTECTION
Volume 41, Issue 3, Pages N12-N21Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6498/ac125c
Keywords
phantoms; foetal radiation dose; pregnant patient
Categories
Funding
- Japan Society for the Promotion of Science KAKENHI [21K15819]
- Grants-in-Aid for Scientific Research [21K15819] Funding Source: KAKEN
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This study compared novel pregnant model phantoms with handmade phantoms in terms of shape and radiation measurement points, finding that the novel models were more suitable for measuring foetal radiation dose during X-ray examinations. The novel model phantoms improved upon the handmade phantoms in terms of shape and radiation measurement points, providing a more accurate simulation of actual patient sizes and shapes.
This study presents a comparison of novel pregnant model phantoms with a handmade phantom in terms of shape and radiation measurement points to determine which model is more suitable for measuring the foetal radiation dose during x-ray examinations. Novel pregnant model phantoms were constructed using an anthropomorphic phantom in combination with two differently-sized custom-made abdomen phantoms simulating pregnancy, which were constructed from a polyurethane resin. The size and shape of the polyurethane resin were designed based on abdominal sizes and shapes collected from the computed tomography examinations at 18 pregnant patients of one hospital. The handmade pregnant model phantom was constructed using an anthropomorphic phantom and a beach ball containing water. Compared with the handmade phantom, there were additional dose measurement points on the novel pregnant model phantoms. Our model phantoms improved upon the handmade phantom in terms of shape and radiation measurement points. We produced pregnant model phantoms that simulated the shapes and sizes of actual patients for the first time.
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