Protein-less into retroperitoneal lymphangioma: Demonstration by lymphoscintigraphy and blood-pool scintigraphy with Tc-99m-human serum albumin
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A rats, benign congenital lymphangioma has been reported to ocour frequently in the neck and axilla, but rarely in the retroperitoneal space. We report a case of a retroperitoneal lymphangioma associated with hypoproteinemia caused by protein-loss into the tumor. In this case, lympho-scintigraphy with subcutaneously injected Tc-99m-human serum albumin (HSA) disclosed the communication between the tumor and the lymphatic system, and sequential abdominal scintigraphy with intravenously injected Tc-99m-HSA revealed the protein loss into the tumor. Abdominal scintigraphy with Tc-99m-HSA injected intravenously or subcutaneously is occasionally useful for determining the etiology of hypoproteinemia.
Key wordsretroperitoneal lymphangioma Tc-99m-HSA lymphoscintigraphy hypoproteinemia
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