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256-slice CT proves its might in stroke imaging
A prototype 256-slice CT unit can perform rapid whole-brain perfusion imaging in stroke patients and may one day compete head to toe with other modalities.
A prototype 256-slice CT unit can perform rapid whole-brain perfusion imaging in stroke patients and may one day compete head to toe with other modalities.
The system, developed by Toshiba, has a wide detector that allows brain imaging in a single rotation at a low radiation dose. Clinical trials are complete, and a commercial system should hit the market by summer 2008, according to Dr. Kazuhiro Katada, a professor of radiology at Fujita Health University in Toyoake. He showed data from 11 stroke patients who underwent 50-second scanning at 80 kV and 80 mA. The 256-slice images offered better visualization of superior parietal lobe lesions and remote effects when compared with conventional CT perfusion. Katada spoke at the 2007 Stanford Multidetector-Row CT Symposium.
MRI-Based AI Radiomics Model Offers 'Robust' Prediction of Perineural Invasion in Prostate Cancer
July 26th 2024A model that combines MRI-based deep learning radiomics and clinical factors demonstrated an 84.8 percent ROC AUC and a 92.6 percent precision-recall AUC for predicting perineural invasion in prostate cancer cases.
Breast MRI Study Examines Common Factors with False Negatives and False Positives
July 24th 2024The absence of ipsilateral breast hypervascularity is three times more likely to be associated with false-negative findings on breast MRI and non-mass enhancement lesions have a 4.5-fold likelihood of being linked to false-positive results, according to new research.
Can Polyenergetic Reconstruction Help Resolve Streak Artifacts in Photon Counting CT?
July 22nd 2024New research looking at photon-counting computed tomography (PCCT) demonstrated significantly reduced variation and tracheal air density attenuation with polyenergetic reconstruction in contrast to monoenergetic reconstruction on chest CT.
