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Computed Tomography (CT) Protocols Associated with Cardiac and Bone Single-Photon Emission Computed Tomography/CT (SPECT/CT) in Korea

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Author(s)
Eun Jeong LeeJi Young KimJung Mi ParkBong-Il SongHongyoon ChoiHye-kyeong ShimHey Lim ParkHo-Young LeeKyung Jae LeeJoon-Kee YoonSeongho SeoSeong Min KimSoo Bin ParkYoung Seok ChoSeong Hoon Kim
Publication Year
2020
Keyword
SPECT/CTCT protocolsOptimization
Abstract
Purpose:
Single-photon emission computed tomography/computed tomography (SPECT/CT) is an advanced hybrid nuclear medicine technology that generates both functional and anatomical images in a single study. As utilization of SPECT/CT in Korea has been increasing, the purpose of this study was to survey its application of cardiac and skeletal SPECT/CT imaging for protocol optimization.

Methods:
We surveyed CT protocols established for cardiac and skeletal SPECT/CT. We searched the guidelines for the CT protocols for SPECT/CT and reviewed the literature recently published.

Results:
Among 36 hybrid SPECT scanners equipped with four or more multi-channel detector CTs (MDCTs), 18 scanners were used to perform cardiac studies at both very low current CT (30–80 mA; 11.1%) and ultra-low current CT (13–30 mA; 88.9%). Among the 33 canners, very low current (≤ 80 mA) CT or low current CT (80–130 mA) was used in 23.5%, and 41.8% for spine disorders, and in 36.4% or 30.3% for foot/ankle disorders, respectively. In the CT reconstructions, slice thickness of 5 mm for cardiac studies was most commonly used (94.4%); thinner slices (0.6–1.0 mm) for spine and foot/ankle studies were used in 24.2% and 45.5%, respectively. We also reviewed the international guidelines.

Conclusions:
The results and current recommendations will be helpful for optimizing CT protocols for SPECT/CT. Optimization of SPECT/CT protocols will be required for generating the proper strategy for the specific lesions and clinical purpose.
Department
Dept. of Nuclear Medicine (핵의학)
Publisher
School of Medicine (의과대학)
Citation
Nuclear Medicine and Molecular Imaging, Vol.54(3) : 139-146, 2020
Type
Article
ISSN
1869-3474
DOI
10.1007/s13139-020-00644-9
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/42768
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