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Updated: Sep 26, 2026

Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
Published on: September 27, 2020
Computed tomography gastrography with volume-rendering technique: correlation with double-contrast barium study and
Se Hyung Kim1, Joon Koo Han, Kyoung Ho Lee
1Department of Radiology, Seoul National University Collage of Medicine, and Institute of Radiation Medicine, Seoul National University Medical Research Center, Seoul, Korea.
Abstract:
The volume-rendering technique uses computed tomography data to produce simulated images of conventional barium and endoscopic studies of the stomach. Various gastric lesions are detected on volume-rendered images, and submucosal tumors are easily differentiated from mucosal lesions by means of the overlying bridging fold. Lesions that are only manifested by a change of mucosal color (early gastric cancer type 2b) or a loss of mucosal detail (gastritis) are difficult to detect from volume-rendered images, however. In cases of gastric neoplasm and varix, both the extraluminal pathologies of the lesion and the relation between the intraluminal and extraluminal components can be evaluated simultaneously.
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