Using computed tomography scans to develop an ex-vivo gastric model

Figure 1 A: Typical imported CT image; B: mask applied to highlight stomach.

Figure 2 Schematic diagram indicating how the proximal and distal gastric regions were defined.

Figure 3 Graphs of regression of BMI on (A) gastric surface area and (B) gastric volume, indicating no linear relationship between these parameters.

Figure 4 Typical gastric wall thickness measurements on transverse plane CT scan using electronic callipers.

Figure 5 Anatomically correct hollow distensible silicone stomach after wax removal.

Figure 6 Pressure volume curves of silicone stomach compared to human stomach values reported by Gregersen et al[11] and Distrutti et al[12].