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An Alternate, Egg-Free Radiolabeled Meal Formulation for Gastric-Emptying Scintigraphy
Philippe Garrigue1, Aurore Bodin-Hullin, Sandra Gonzalez
1From the *APHM, Hôpital Nord, Service Radiopharmacie, Marseille; †Aix-Marseille Université, Inserm, UMR_S 1076, Marseille; ‡Aix-Marseille Université, CERIMED, Marseille; and §APHM, Hôpital Nord, Service de Médecine Nucléaire, Marseille, France.
Abstract:
Tc-radiolabeled scrambled eggs (SEs) are most often used as the ingested solid phase for gastric-emptying scintigraphy, leading egg-reluctant patients to avoid the examination. We formulated and validated 2 egg-free alternate meals, in the absence of any commercialized formulation: chocolate mug cake (MC) and scrambled tofu (ST). Six healthy volunteers underwent gastric-emptying scintigraphy after ingesting Tc-radiolabeled MC, ST, or SE. Gastric retention indexes did not change significantly between formulations (% of overtime variation to SE: MC 7.75% ± 7.1%, ST 7.17% ± 5.8%; P = 0.6618, not statistically significant), suggesting MC and ST as interesting egg-free alternatives.