The wall of an acutely obstructed gallbladder can be demonstrated by total-body opacification. In most instances, this technique will demonstrate a sharply or poorly defined wall 2–8 mm thick outlining the distended gallbladder, thus confirming the diagnosis of obstructive cholecystopathy. This technique eliminates uncertainty in the differential diagnosis of acute gallbladder disease caused by nonvisualization of the gallbladder on oral cholecystography or intravenous cholangiography.
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Rabushka et al. (1973) studied this question.