Pietro Quaretti

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About

Pietro Quaretti is an interventional radiologist whose work bridges cutting-edge embolization techniques with minimally invasive oncologic surgery. His primary research focuses on pre-operative tumor devascularization, particularly for renal and hepatic malignancies, and the development of novel embolic agents that integrate with intraoperative imaging. Quaretti’s most notable contribution is the “Green Tattoo” technique, a pioneering method combining indocyanine green with non-adhesive liquid embolic agents like Onyx-18. This approach allows for simultaneous pre-operative renal embolization and tumor marking, enabling real-time near-infrared fluorescence guidance during robotic-assisted and laparoscopic partial nephrectomies. Demonstrated in a 2022 study of 13 patients, this technique enhances surgical precision by clearly delineating tumor margins and reducing intraoperative bleeding. While his citation counts are still growing—reflecting the recent, highly specialized nature of his work—Quaretti’s innovations represent a practical, proof-of-concept advancement in interventional oncology. His contributions are particularly valuable for surgeons and interventional radiologists seeking to improve outcomes in nephron-sparing surgery, positioning him as a key figure in the evolution of image-guided, minimally invasive cancer care.