Liquid Gastric Emptying as an Adjunct to Hepatobiliary Scintigraphy When Oral Corn Oil Is Used as a Cholecystagogue for Determining Gallbladder Emptying

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FIGURE 1.
Time–activity curves for gallbladder emptying, gastric emptying, and biliary images after corn oil emulsion for patient with normal GBEF (87%) and satisfactory gastric emptying.
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FIGURE 2.
Time–activity curves for gallbladder emptying, gastric emptying, and biliary images after corn oil emulsion for patient with normal GBEF (79%) despite unsatisfactory gastric emptying.
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FIGURE 3.
Time–activity curves for gallbladder emptying, gastric emptying, and biliary images after corn oil emulsion for patient with abnormal GBEF (14%) and satisfactory gastric emptying, highly suggestive of chronic cholecystitis.
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FIGURE 4.
Time–activity curves for gallbladder emptying, gastric emptying, and biliary images after corn oil emulsion for patient with abnormal GBEF (25%) and unsatisfactory gastric emptying, which may be chronic cholecystitis but may also be inadequate cholecystokinin stimulation due to poor gastric emptying.

TABLE 1

Results for GBEF and Gastric Emptying

Group	Patients (n)	GBEF (%)	Time for half gastric emptying (min)	Gastric emptying at end of imaging (%)
Normal GBEF; satisfactory gastric emptying	17	74 ± 14	31 ± 21	75 ± 14
Normal GBEF; unsatisfactory gastric emptying	17	77 ± 17	>60–90 ^*	30 ± 14
Abnormal GBEF; satisfactory gastric emptying	5	19 ± 9	26 ± 19	82 ± 14
Abnormal GBEF; unsatisfactory gastric emptying	11	26 ± 9	>60–90 ^*	26 ± 13
Borderline GBEF; satisfactory gastric emptying	3	40 ± 2	34 ± 44	59 ± 6