According to the results, both composite shields reduce dose values and increase noises, which are most evident directly below the shield, but they do not cause distractions. In addition, the increase in image noise is likely related to the beam hardening and scattering associated with the presence of shield. Helps prevent breast cancer.
CT Breast Shield
Offers maximum protection to the sensitive tissues of the breasts. The risk of cancer increases linearly with increasing dose, with higher risks for females,[ 1 ] and exposures to young girls around the age of menarche and breast bud carry a high risk. Nambiar S, Yeow JT. Scan quality and entrance skin dose in thoracic CT:
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CT Breast Shield (model CT-BS)
A common method for dose reduction during CT examinations is the use of shielding to protect superficial organs. It could be said that applying shields affects the values of HU because the effective energy of X-ray is changed and HU ct breast shields discussions directly dependent on energy. Journal List J Med Phys v.