Computed tomography and patient risk: Facts, perceptions and uncertainties
Stephen P Power1, Fiachra Moloney1, Maria Twomey1
1Stephen P Power, Fiachra Moloney, Maria Twomey, Karl James, Owen J O'Connor, Michael M Maher, Department of Radiology, Cork University Hospital, Wilton, Cork T12 DC4A, Ireland.
Computed tomography (CT) scans involve radiation exposure, but the cancer risk from low-dose diagnostic imaging remains unclear. New techniques like iterative reconstruction can reduce radiation doses while maintaining image quality.
Area of Science:
- Radiology
- Medical Imaging
- Radiation Oncology
Background:
- Computed tomography (CT) has transformed medical diagnostics since the 1970s.
- Increased patient radiation exposure from CT is a significant concern.
- The link between low-dose diagnostic radiation and cancer (oncogenesis) is not well understood.
Conclusions:
- Radiation dose reduction in CT is achievable through various strategies.
- Iterative reconstruction is a key advancement for lowering radiation exposure in diagnostic imaging.
- Further research is needed to clarify the oncogenic risks of low-dose diagnostic radiation.
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