PMC6243337_01
(a) Axial slice from a recent CT pulmonary angiogram used for comparison demonstrates a gallbladder normal in size and position (arrow). The axis of the gallbladder from neck to fundus is highlighted (double-sided white arrow). (b) There is a dramatic change in the anatomical position of the gallbladder (arrowhead) with a horizontal lie and grossly distended state:two signs of gallbladder volvulus. The striking change in the axis (double-ended white arrow) is significant.
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fig1
The gallbladder was noted to lie in an unusual horizontal axis anterior to the liver surface, mimicking a collection (Figure 1).
Photograph from the post-mortem examination showing a distended and necrotic gallbladder (arrow) twisted on a fulcrum (arrowhead). The twist involves the vascular pedicle.
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fig2
The findings were of a distended necrotic gallbladder with a twist at the neck involving the vascular pedicle (Figure 2).