SAMARA RIGUETE ZACCHI
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- PET/CT Study Performed After an Oral Administration of F-18-Fluoride(2013) ZACCHI, Samara Riguete; VALADARES, Agnes Araujo; DUARTE, Paulo Schiavom; SAPIENZA, Marcelo Tatit; BUCHPIGUEL, Carlos AlbertoA 52-year-old woman with right breast cancer was referred for F-18-fluoride whole-body PET/CT for the assessment of bone metastases. The peripheral IV access was not obtained after multiple attempts. The radiopharmaceutical was administered by oral route.
- Preliminary Comparison of PET/CT Studies Performed After Intravenous and Oral Administration of F-18-Fluoride(2016) ZACCHI, Samara Riguete; VALE, Romulo Hermeto Bueno do; DUARTE, Paulo Schiavom; SAPIENZA, Marcelo Tatit; BUCHPIGUEL, Carlos AlbertoA 78-year-old man with prostate cancer was referred for F-18-NaF PET/CT for assessing bone metastases. An F-18-NaF PET/CT study was performed after the intravenous administration of the radiopharmaceutical. Five days later, a second study was done after oral administration of the radiopharmaceutical as part of a research protocol.
- Incidental Finding of Anterior Cranial Fossa Meningioma on F-18-Fluoride PET/CT(2013) ZACCHI, Samara Riguete; DUARTE, Paulo Schiavon; COURA FILHO, George Barberio; SAPIENZA, Marcelo Tatit; BUCHPIGUEL, Carlos AlbertoThe association of breast carcinoma and meningioma has been described. We report a case of anterior cranial fossa meningioma in a woman with breast cancer detected by F-18-fluoride PET/CT. The whole-body F-18-fluoride PET images demonstrate an intense intracranial focal radiotracer accumulation in the skull base. Simultaneous CT showed a corresponding calcified space-occupying lesion consistent with meningioma. Follow-up CT image obtained 8 months later demonstrated the persistence and stable appearance of the lesion.