CAN THE SIZE-SPECIFIC DOSE ESTIMATE BE DERIVED FROM THE BODY MASS INDEX? A FEASIBILITY STUDY

被引：7

作者：

Steiniger, Beatrice ^{[1
]}

Klippel, Chris ^{[1
]}

Teichgraeber, Ulf ^{[1
]}

Reichenbach, Juergen R. ^{[2
]}

Fiebich, Martin ^{[3
]}

机构：

[1] Univ Hosp Jena, Dept Diagnost & Intervent Radiol, Klinikum 1, D-07747 Jena, Germany

[2] Univ Hosp Jena, Dept Diagnost & Intervent Radiol, Med Phys Grp, Philosophenweg 3, D-07743 Jena, Germany

[3] Univ Appl Sci Giessen, Inst Med Phys & Radiat Protect, Wiesenstr 14, D-35390 Giessen, Germany

来源：

RADIATION PROTECTION DOSIMETRY | 2022年 / 198卷 / 06期

关键词：

ATTENUATION-BASED ESTIMATION; PATIENT SIZE; CT; PURPOSE; ABDOMEN;

D O I：

10.1093/rpd/ncac038

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Size-specific dose estimate (SSDE) index appears to be more suitable than the commonly used volume computed tomography dose index (CTDIvol) to estimate the dose delivered to the patient during a computed tomography (CT) scan. We evaluated whether an SSDEBMI can be determined from the patient's body mass index (BMI) with sufficient reliability in the case that a SSDE is not given by the CT scanner. For each of the three most used examination types, CT examinations of 50 female and 50 male patients were analyzed. The SSDE values automatically provided by the scanner were compared with SSDEBMI determined from CTDIvol and BMI. A good accordance of SSDEBMI and SSDE was found for the chest and abdominal regions. A low correlation was observed for the head region. The presented method is a simple and practically useful surrogate approach for the chest and abdominal regions but not for the head.

引用

页码：325 / 333

页数：9

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