Abstract
Pheochromocytoma (PCC) is a challenging and life-threatening neoplasm. Herein, the authors report an interesting and unexpected solution for a clinical case concerning a patient with a PCC, who developed delayed ectopic adrenocorticotropic hormone Cushing syndrome originating from the PCC. In addition, after a misleading I-labeled metaiodobenzylguanidine single-photon emission computed tomography/computed tomography, an F-fluorodeoxyglucose positron emission tomography/computed tomography, executed to confirm the diagnosis of PCC, showed a silent pulmonary nodule that unexpectedly turned out to be a lung nocardiasis.
Publication types
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Case Reports
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Research Support, Non-U.S. Gov't
MeSH terms
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3-Iodobenzylguanidine
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Adrenal Gland Neoplasms / complications*
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Adrenal Gland Neoplasms / diagnosis
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Adrenal Gland Neoplasms / diagnostic imaging
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Adrenal Gland Neoplasms / pathology*
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Adrenocorticotropic Hormone / blood*
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Cushing Syndrome / diagnosis
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Cushing Syndrome / diagnostic imaging
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Cushing Syndrome / etiology*
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Cushing Syndrome / pathology
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Female
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Fluorodeoxyglucose F18
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Humans
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Lung Neoplasms / diagnosis
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Lung Neoplasms / diagnostic imaging
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Lung Neoplasms / pathology*
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Middle Aged
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Pheochromocytoma / complications*
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Pheochromocytoma / diagnosis
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Pheochromocytoma / diagnostic imaging
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Pheochromocytoma / pathology*
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Radionuclide Imaging
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Radiopharmaceuticals
Substances
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Radiopharmaceuticals
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Fluorodeoxyglucose F18
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3-Iodobenzylguanidine
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Adrenocorticotropic Hormone