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    Regarding radioguided surgery, the concept of "radioguided occult lesion localization" (ROLL) is based on both preoperative interventional imaging and intraoperative radioguided detection of a clinically occult neoplastic lesion. This methodology consists in the direct administration into the lesion of Tc-macroaggregated human albumin formed by relatively large particles retained at the injection site, which direct radioguided excisional biopsy. This modality has expanded from the classic application of ROLL for nonpalpable breast lesions to other tumors, such as solitary pulmonary nodules or recurrences from differentiated thyroid carcinoma. In 2011, in order to improve the classification of different radioguided surgical procedures, ROLL applications were included in the more complete concept of GOSTT (Guided intraOperative Scintigraphic Tumor Targeting). This concept was introduced to include the entire range of basic and advanced radioguided procedures necessary to supply a "road map" for the surgeon. The terms ROLL and GOSTT have further developed by incorporating novel modalities such as hybrid tracers for simultaneous fluorescence and radioactive signal detection and innovative navigation systems based on mixed-reality protocols.

    Citation

    Gianpiero Manca, Sara Mazzarri, Domenico Rubello, Elisa Tardelli, Roberto C Delgado-Bolton, Francesco Giammarile, Manuela Roncella, Duccio Volterrani, Patrick M Colletti. Radioguided Occult Lesion Localization: Technical Procedures and Clinical Applications. Clinical nuclear medicine. 2017 Dec;42(12):e498-e503


    PMID: 29035996

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