Gallstone ileus diagnosed by technetium-99m dimethyliminodiacetic acid cholescintigraphy. A case report.

Tc-99m IDA cholescintigraphy frequently provides information regarding nonbiliary pathology, such as small bowel obstruction. The cholescintigraphic finding of functional cystic duct obstruction concomitant with persistent small bowel dilatation and lack of progression of labeled bile suggests the diagnosis of gallstone ileus.