F-18-2-deoxy-2-fluoro-D-glucose (FDG) has been reported to localize in various tumors. Localization or recurrent Hürthle cell cancer with FDG is described. An unsuccessful attempt was made to image this patient's tumor with I-131 and Tc-99m MIBI. Because of the patient's size, he could not be accommodated in the PET camera apperature. Use of a planar high energy gamma camera facilitated detection and ultimate treatment.
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