Journal
CLINICAL NUCLEAR MEDICINE
Volume 38, Issue 7, Pages 550-552Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/RLU.0b013e318292aa2f
Keywords
F-18-FDG PET/CT; Tc-99m 3PRGD2 SPECT/CT; pituitary metastases; pituitary adenoma
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We compare F-18-FDG PET/CT and Tc-99m 3PRGD2 SPECT/CT scans in a case of histologically proved pituitary metastases. The ratio of tumor to cerebellum (T/C) of Tc-99m 3PRGD2 SPECT is much higher than that for F-18-FDG PET. We then conduct the same scans for a pituitary adenoma patient for better comparison. The T/C of F-18-FDG is not able to differentiate pituitary metastases from pituitary adenoma. However, The T/C of Tc-99m 3PRGD2 observed in pituitary metastases was higher than that in pituitary adenoma.
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