False-Positive 123I-Metaiodobenzylguanidine (MIBG) Scan in a Patient with Angiomyolipoma; Positive MIBG Scan does not Necessarily Indicate the Presence of Pheochromocytoma
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概要
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123I-Metaiodobenzylguanidine (123I-MIBG)-accumulation in angiomyolipoma (AML) is demonstrated. A 24-year-old Japanese woman presented with tumors in the right retroperitoneal space. The tumors, which accumulated 123I-MIBG, had been thought to be adrenal pheochromocytoma before surgery. They were removed, and were found to be AML. 123I-MIBG was accumulated in AML. 123I-MIBG-accumulation in AML led to a false-positive diagnosis of adrenal pheochromocytoma. Cathecholamine levels had been normal. No chromograffin cells were found in the histological examination of the tumors. MIBG accumulation does not necessarily indicate the presence of pheochromocytoma.
著者
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Takasu Nobuyuki
Department Of Endocrinology And Metabolism Department Of Internal Medicine University Of The Ryukyus
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Kouki Tsuyoshi
Department Of Clinical Laboratory Medicine Shiga University Of Medical Science
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Ogawa Yoshihide
Department Of Urology Faculty Of Medicine Ryukyu University
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Iha Takako
Department of Endocrinology and Metabolism, Department of Internal Medicine, University of the Ryukyus
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Ohshiro Yuzuru
Department of Endocrinology and Metabolism, Department of Internal Medicine, University of the Ryukyus
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Kouki Tsuyoshi
Department of Endocrinology and Metabolism, Department of Internal Medicine, University of the Ryukyus
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Hayashi Mina
Department of Endocrinology and Metabolism, Department of Internal Medicine, University of the Ryukyus
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Takara Masaki
Department of Endocrinology and Metabolism, Department of Internal Medicine, University of the Ryukyus
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Takasu Nobuyuki
Department of Endocrinology and Metabolism, Department of Internal Medicine, University of the Ryukyus
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