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Poorly Differentiated Neuroendocrine Carcinoma of the Parotid Gland and Moderately Differentiated Hepatic Metastases: A Discordant Histopathology Clarified by Dual-Tracer PET/CT

Priyanka Sharma and Sandip Basu
Journal of Nuclear Medicine Technology March 2021, 49 (1) 86-88; DOI: https://doi.org/10.2967/jnmt.120.251587

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  • FIGURE 1.
    FIGURE 1.

    68Ga-DOTATATE (left) and 18F-FDG (right) PET/CT maximum-intensity-projection images demonstrating high uptake of 18F-FDG in metastatic liver lesion and portocaval lymphadenopathy but low or minimal uptake of somatostatin receptor–based 68Ga-DOTATATE.

  • FIGURE 2.
    FIGURE 2.

    Axial CT (top) and PET/CT (bottom) images demonstrating limited 68Ga-DOTATATE uptake in metastatic liver lesion (left) and portocaval lymph nodes but prominent 18F-FDG uptake (right).

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