Fundamental Study of Reduced Radiation Exposure of Virtual Endoscopy by 16 DAS MDCT
10.2185/jjrm.55.459
- Author:
Yasuji YAMADA
;
Masanori KATOH
;
Makoto NAGAI
;
Shingo OKAZAKI
;
Shunichi NAKAMURA
;
Tsukasa SUGAWARA
;
Norio KONDOH
;
Kencho MIYASHITA
;
Akira FUJINAGA
- Publication Type:Journal Article
- MeSH:
Radiation;
amsonic acid;
Protocols documentation;
Endoscopy;
Accident due to exposure to weather conditions
- From:Journal of the Japanese Association of Rural Medicine
2006;55(5):459-464
- CountryJapan
- Language:Japanese
-
Abstract:
Our aim was to study the scan protocol of 16 DAS (Data Acquisition System) multidetector-row CT (MDCT) and to ascertain whether we could reduce radiation exposure and scanning time, while maintaing image quality in the Virtual endoscopy (VE).We made a mimic gastrointestinal tract and examined the result by changing a scan protocol of 16 DAS MDCT.We found that a reduction of radiation exposure and scanning time depended on slice width, angle of the table, rotation time, table speed, mAs/slice and resolution.The study confirmed that it was possible to use the scan protocol of MDCT with a radiographic dose of 40% and scanning time of 50%, without changing image quality in the VE.
