ALB and gastric mucosal hypertrophy: At that time, protein leakage scintigraphy with technetium-99m human serum albumin diethylenetriamine pentaacetic acid (99mTc-HSAD) was performed to exclude a diagnosis of protein-losing gastroenteropathy, the results of which showed diffuse positive accumulation in the kidneys with an uptake that was strikingly more intense than that in the liver on the anterior view 24 hours after 99mTc-HSAD administration, and this was considered to be an uncommon finding.