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18F-FDG PET/CT for the Evaluation of Primary Eosinophilic Granuloma of the Hypothalamus

Anna Eshghi, Robert Klein, Naghmehossadat Eshghi and Phillip H. Kuo
Journal of Nuclear Medicine Technology September 2018, 46 (3) 290-291; DOI: https://doi.org/10.2967/jnmt.118.209957

Article Figures & Data

Figures

  • FIGURE 1.
    FIGURE 1.

    (A–C) Transaxial T1-weighted unenhanced MR (A), T1-weighted gadolinium-enhanced MR (B), and unenhanced CT (C) images show hypothalamic lesion (encircled in yellow) to be strongly enhanced and isodense to gray matter. (D–F) Axial (D), sagittal (E), and coronal (F) 18F-FDG PET images reveal intense uptake in hypothalamic mass.

  • FIGURE 2.
    FIGURE 2.

    Histopathologic photomicrograph (hematoxylin and eosin, ×400) shows numerous eosinophils and histiocytes (arrows).

  • FIGURE 3.
    FIGURE 3.

    18F-FDG PET anterior whole-body maximum-intensity projection shows intensely 18F-FDG–avid hypothalamic lesion (arrow) and no other sites of disease.

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