CT Parameters

Table 3 lists our CT parameters using 4, 16, 40, and 64 multi-detector channels.

Routine soft tissue viewing and post processing in CT enteroclysis.

(WW = 360 H WL = 40 H) with neutral enteral and iv contrast. Small bowel windows (WW = 1200 H WL = 200 H) are used for viewing positive enteral contrast CT.

The small bowel window settings used can be adjusted to individual preference (Fig. 2a, b).

The large number of projection data images collected when acquiring near isotropic or isotropic voxels with mul-tislice CT means that practical handling of the source data or 'smart post processing' is important to reduce the amount of data and, at the same time, increase the amount of information. This is tailored to the radiologist's needs. Interpretation is done at a separate workstation (Extended Brilliance workspace [EBW] Philips, Medical Imaging, Best, Netherlands) using interactive 2d viewing, i.e., viewing of axial, coronal and sagittal images with cross-referencing of abnormal or questionable findings. Selected significant reformatted images are sent to the picture archiving communication system (PACS) for the clinician to view. These are added to the reformatted axial images sent initially to the PACS station. This is also of value in conferences where direct retrieval of images are from PACS.

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