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Subcortical band heterotopia (HSB) refers to the presence of smooth bilateral bands of gray matter located in the subcortical white matter. Clinical presentation is widely variable, the presentation includes intellectual disability, epileptic seizures and varied conduct disorders, making a complex diagnosis. We present a case of a 20-year-old male with a long history of treatment-refractory epilepsy referred to our center for a 18F-FDG (18F-fluorodeoxyglucose) PET/CT (Positron Emission Tomography/Computed Tomography), to search for the epileptogenic focus. Additionally, a registration was carried out with another magnetic resonance imaging study (MRI), where the sign of double cerebral cortex was documented by MRI and PET/CT, visualized as a hypermetabolic pattern in subcortical band heterotopia. [ABSTRACT FROM AUTHOR]

Background: Gastric emptying scintigraphy has become the gold standard, by excellence, in gastric emptying studies. This method must be standardized for the correct interpretation of results. The ideal protocol must be performed with an egg sandwich or egg white poder, both labeled with 99mTc sulphur colloid. The aim of this study was to standardize and determine the protocol with 99mTc sulphur colloid incorporated in egg white and compare it with a hamburger labeled with 99mTc sulphur colloid as well. Methods: We studied 30 patients who underwent gastric emptying scintigraphy with the two aforementioned meals. Results: Emptying percentages and retention with both meals were similar within an hour and two; however, statistical significance arose until the third hour with a p value of 0.26 by using Student’s t for independent samples. Conclusions: Gastric emptying studies in both protocols where similar with normal ranges. The egg white ingested must be consistent for reproducible results in gastric motility disease, like organoleptic and volume characteristics. [ABSTRACT FROM AUTHOR]

Background: Gastric emptying scintigraphy has become the gold standard, by excellence, in gastric emptying studies. This method must be standardized for the correct interpretation of results. The ideal protocol must be performed with an egg sandwich or egg white poder, both labeled with 99mTc sulphur colloid. The aim of this study was to standardize and determine the protocol with99m Tc sulphur colloid incorporated in egg white and compare it with a hamburger labeled with 99mTc sulphur colloid as well., Methods: We studied 30 patients who underwent gastric emptying scintigraphy with the two aforementioned meals., Results: Emptying percentages and retention with both meals were similar within an hour and two; however, statistical significance arose until the third hour with a p value of 0.26 by using Student's t for independent samples., Conclusions: Gastric emptying studies in both protocols where similar with normal ranges. The egg white ingested must be consistent for reproducible results in gastric motility disease, like organoleptic and volume characteristics.