Abstract
In three patients with phaeochromocytomas, computed tomography or iodobenzylguanidine scanning gave misleading or negative results. These patients were found to have a functioning middle mediastinal paraganglioma in association with one or two intercarotid paragangliomas. The possibility of this association should be considered in patients with functioning extra-adrenal paragangliomas.
MeSH terms
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3-Iodobenzylguanidine
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Adult
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Carotid Body Tumor / diagnosis*
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Catecholamines / metabolism*
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Female
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Humans
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Iodobenzenes
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Mediastinal Neoplasms / diagnosis*
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Mediastinal Neoplasms / metabolism
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Middle Aged
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Neoplasms, Multiple Primary*
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Pheochromocytoma / diagnosis*
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Pheochromocytoma / metabolism
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Tomography, X-Ray Computed
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Ultrasonography
Substances
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Catecholamines
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Iodobenzenes
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3-Iodobenzylguanidine