SU‐GG‐I‐43: Measurement of Radiation, Scatter and CTDIw From the Toshiba 320‐Slice CT Scanner with and Without Shielding

P. Patton; J. Davis; W. Orrison; E. Hanson; J. Cadwalader

doi:10.1118/1.2961441

SU‐GG‐I‐43: Measurement of Radiation, Scatter and CTDIw From the Toshiba 320‐Slice CT Scanner with and Without Shielding

P. Patton, J. Davis, W. Orrison, E. Hanson, J. Cadwalader

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Abstract

Scattered radiation has the potential to deliver high radiation doses to operators located within the scanning room during computed tomographic (CT) guided procedures. Measurements were made to determine the scatter radiation exposure from a 320‐slice Toshiba CT scanner. Additionally, the scatter radiation was measured after applying a lead‐fee shielding drape adjacent to the scanning areas to determine the effects on scatter radiation. The ACR CTDI head and body phantoms were used to measure the CTDI_w for the adult head, the adult abdominal, and the pediatric abdominal protocols. Measurements indicate that, when similar scan protocols are used, a reduction of exposure is observed when using the 320‐slice scanner. Furthermore, scatter radiation is significantly reduced by using the lead‐free shielding drape.

Original language	English
Pages (from-to)	2652
Number of pages	1
Journal	Medical Physics
Volume	35
Issue number	6
DOIs	https://doi.org/10.1118/1.2961441
State	Published - Jun 2008

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title = "SU‐GG‐I‐43: Measurement of Radiation, Scatter and CTDIw From the Toshiba 320‐Slice CT Scanner with and Without Shielding",

abstract = "Scattered radiation has the potential to deliver high radiation doses to operators located within the scanning room during computed tomographic (CT) guided procedures. Measurements were made to determine the scatter radiation exposure from a 320‐slice Toshiba CT scanner. Additionally, the scatter radiation was measured after applying a lead‐fee shielding drape adjacent to the scanning areas to determine the effects on scatter radiation. The ACR CTDI head and body phantoms were used to measure the CTDIw for the adult head, the adult abdominal, and the pediatric abdominal protocols. Measurements indicate that, when similar scan protocols are used, a reduction of exposure is observed when using the 320‐slice scanner. Furthermore, scatter radiation is significantly reduced by using the lead‐free shielding drape.",

author = "P. Patton and J. Davis and W. Orrison and E. Hanson and J. Cadwalader",

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AU - Orrison, W.

AU - Hanson, E.

AU - Cadwalader, J.

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AB - Scattered radiation has the potential to deliver high radiation doses to operators located within the scanning room during computed tomographic (CT) guided procedures. Measurements were made to determine the scatter radiation exposure from a 320‐slice Toshiba CT scanner. Additionally, the scatter radiation was measured after applying a lead‐fee shielding drape adjacent to the scanning areas to determine the effects on scatter radiation. The ACR CTDI head and body phantoms were used to measure the CTDIw for the adult head, the adult abdominal, and the pediatric abdominal protocols. Measurements indicate that, when similar scan protocols are used, a reduction of exposure is observed when using the 320‐slice scanner. Furthermore, scatter radiation is significantly reduced by using the lead‐free shielding drape.

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SU‐GG‐I‐43: Measurement of Radiation, Scatter and CTDIw From the Toshiba 320‐Slice CT Scanner with and Without Shielding

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