, and developmental conditions in pediatric patients are presented.Conclusion The cortical and trabecular bone contrast generated by FRACTURE yields clinically relevant information for diagnosis and management of a subset of patients in whom it may potentially obviate the need for a preoperative CT scan....
To evaluate the effect of abolishing instructions to fast prior to contrast-enhanced CT on acute adverse reactions (AARs).In our institution, we instructed patients to fast one meal before contrast-enhanced CT examinations. However, we abolished these instructions at the end of March 2019, and ...
Each CT scan was processed to convert voxel values to Hounsfield units. Voxels with HU values outside the range of −800 to 1200 were clipped, with values less than -800 set to −800 and greater than 1200 set to 1200. Finally, the filtered HU values were scaled from 0 to 1 for ...
Therefore, instead of scanning the whole high-bits array for each search, we only need to scan the high-bits array from position oj to position oj+1. It can be shown that such scans take an average constant time \({{{\mathcal{O}}}(q)\) at a low expense of the memory complexity...
To illustrate how FRSOM resolves the vascular characteristics of the melanoma lesion, we compared the skin features in the epidermal and dermal layers at the three scan positions. The cross-section images (Fig. 3c–e) reveal the layered structure of the skin and the strong contrast of melanin...
Zero corresponds to a tip-sample distance of 10 nm, which we measured with the calibrated scan piezo. Using this piezo, we also calibrated the step sizes of the motor in the tunneling regime: extrapolating this, 420 retract steps correspond to approximately 10 µm. We used a commercially ...
A) Morphology of the cockroach head from a μCT scan with emphasis to the mandibles (coloured light blue) and their driving muscles (light red). 1l-4l: teeth of the left mandible; 1r-3r: teeth of the right mandible; α: opening angle of the right mandible (approx....
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The trained DCNN took ~40s (using a single i5 processor on a desktop computer) to generate the scatter estimates for all 128 views in a patient scan, compared to ~80min for the MC scatter model using 12 processors. For diverse 90Y test data that included patient studies, we demonstrated ...
over a scan area of 21 × 19.5 mm2in 108 µm steps. The PRF-limited A-line rate was 6,400 A-lines per second, resulting in a total scan timeT = 5.4 s. By contrast, early-generation FP scanners42,43would have taken several minutes to perform an identical scan. ...