F-FDG PET/CT might discover incidental pituitary lesions. We present the case of a 46-year-old woman with breast cancer metastasis in her pituitary. We analyzed 10,347 FDG PET/CT examinations from a tertiary center, finding 4 cases (0.038%) of pituitary metastatic disease from other cancers. We analyzed the differences between SUVmax in cases of physiological high uptake, primary tumor, and hypophysis metastases from other cancers in our database compared with the literature.
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