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Adrenal cryptococcosis in an immunosuppressed patient showing intensely increased metabolic activity on 18F-FDG PET/CT

  • Endocrine Imaging
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Abstract

Disseminated cryptococcosis most commonly occurs in immunosuppressed patients and can rarely affect the adrenal glands. We report on a patient with biopsy proven bilateral adrenal cryptococcosis resulting in primary adrenal insufficiency, which was evaluated with whole-body positron emission tomography/computed tomography scan using 18F-FDG. Both enlarged adrenal glands presented intensely increased 18F-FDG activity in the periphery, while central necrotic regions were photopenic. Although diagnosis was established by adrenal gland biopsy, 18F-FDG positron emission tomography/computed tomography scan can significantly contribute to the assessment of disease activity and monitoring of treatment response. Furthermore, fungal infections should always be considered when encountering hypermetabolic adrenal masses, especially in the setting of immunodeficient patients.

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Authors and Affiliations

  1. Radiology and Imaging Sciences, Warren Grant Magnuson Clinical Center (CC), National Institutes of Health (NIH), Bethesda, MD, 20892, USA

    Georgios Z. Papadakis & Nicholas J. Patronas

  2. Immunopathogenesis Section, Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA

    Steven M. Holland

  3. Department of Pathology, National Cancer Institute (NCI), National Institutes of Health (NIH), Bethesda, MD, USA

    Martha Quezado

Authors
  1. Georgios Z. Papadakis
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  2. Steven M. Holland
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  3. Martha Quezado
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  4. Nicholas J. Patronas
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Correspondence to Nicholas J. Patronas.

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Papadakis, G.Z., Holland, S.M., Quezado, M. et al. Adrenal cryptococcosis in an immunosuppressed patient showing intensely increased metabolic activity on 18F-FDG PET/CT. Endocrine 54, 834–836 (2016). https://doi.org/10.1007/s12020-016-1040-4

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  • DOI: https://doi.org/10.1007/s12020-016-1040-4

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