Background/introduction
The continuing advances in techniques and capabilities of Computed Tomography (CT) technology have resulted in reliable and excellent image quality.
These technical developments in CT have led to important clinical applications resulting in increased utilization of the CT scans.
This increase has considerably contributed to the rise in radiation exposure of the patients [1-5].
Despite the enormous efforts made by the CT manufacturers to design and develop techniques,
aiming to improve scanning efficiency,
image quality,
and radiation dose reduction,
CT still accounts for high exposure...
Description of activity and work performed
Materials and Methods
This retrospective study was approved by the local research ethics committee of the Sultan Qaboos University Hospital.
The study included 83 adult oncology patients (33 males,
50 females; age range 28- 78 years,
mean 54.8 ± 11.9 years),
who were scanned twice in the calendar year 2018 before and after the optimization of CT protocols.
Both CT examinations were performed on the same Siemens CT scanner (Somatom,
Sensation 64).
The first image set consists of a scan performed before optimizing the scanning...
Conclusion and recommendations
Conclusion:
The proposed technique for optimizing chest CT protocols has achieved substantial dose reduction (mean 49.9 ±10.3 %) within all BMI groups.
From the view of statistically interpreting the image quality,
we conclude that the images acquired with two techniques are significantly different,
indicating that pre-optimization CTs have a higher image quality compared to the post-optimization CT.
However,
the degradation in the image quality for those acquired with the post-optimization does not lose any clinically or diagnostically significant information.
Acknowledgments:
The authors would like to...
Personal/organisational information
Ms.
Amaal Al-Rasbi: Medical Physicist in Medical Physics Unit,
Department of Radiology and Molecular Imaging,
College of Medicine and Health Sciences.
Dr.
Humoud Al-Dhuhli: Senior Consultant Radiologist,
Department of Radiology and Molecular Imaging,
Sultan Qaboos University Hospital.
D.
Sameer Raniga: Consultant Radiologist,
Department of Radiology and Molecular Imaging,
Sultan Qaboos University Hospital.
Dr.
Yassine Bouchareb: Assistant Professor of Medical Physics,
Department of Radiology and Molecular Imaging,
College of Medicine and Health Sciences.
Mr.
Homood Al Ghafri: CT supervisor technologist,
Radiology and Molecular Imaging,
Sultan Qaboos...
References
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