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Simplifying Logistics and Avoiding the Unnecessary in Patients with Breast Cancer Undergoing Sentinel Node Biopsy. A Prospective Feasibility Trial of the Preoperative Injection of Super Paramagnetic Iron Oxide Nanoparticles.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Endocrine Surgery.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Endocrine Surgery.
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2017 (English)In: Scandinavian Journal of Surgery, ISSN 1457-4969, E-ISSN 1799-7267, 1457496917738867Article in journal (Refereed) Epub ahead of print
Abstract [en]

PURPOSE: Sentinel node is routinely localized with the intraoperative use of a radioactive tracer, involving challenging logistics. Super paramagnetic iron oxide nanoparticle is a non-radioactive tracer with comparable performance that could allow for preoperative localization, would simplify the procedure, and possibly be of value in axillary mapping before neoadjuvant treatment. The current trial aimed to determine the a priori hypothesis that the injection of super paramagnetic iron oxide nanoparticles in the preoperative period for the localization of the sentinel node is feasible.

METHODS: This is a prospective feasibility trial, conducted from 9 September 2014 to 22 October 2014 at Uppsala University Hospital. In all, 12 consecutive patients with primary breast cancer planned for resection of the primary and sentinel node biopsy were recruited. Super paramagnetic iron oxide nanoparticles were injected in the preoperative visit in the outpatient clinic. The radioactive tracer (99mTc) and the blue dye were injected perioperatively in standard fashion. A volunteer was injected with super paramagnetic iron oxide nanoparticles to follow the decline in the magnetic signal in the sentinel node over time. The primary outcome was successful sentinel node detection.

RESULTS: Super paramagnetic iron oxide nanoparticles' detection after preoperative injection (3-15 days) was successful in all cases (100%). In the volunteer, axillary signal was presented for 4 weeks. No adverse effects were noted. Conclusion and relevance: Preoperative super paramagnetic iron oxide nanoparticles' injection is feasible and leads to successful detection of the sentinel node. That may lead to simplified logistics as well as the identification, sampling, and marking of the sentinel node in patients planned for neoadjuvant treatment.

Place, publisher, year, edition, pages
2017. 1457496917738867
Keyword [en]
Super paramagnetic iron oxide, breast cancer, novel technique, sentinel node biopsy
National Category
Clinical Medicine Medical and Health Sciences
Research subject
Surgery
Identifiers
URN: urn:nbn:se:uu:diva-335970DOI: 10.1177/1457496917738867PubMedID: 29132268OAI: oai:DiVA.org:uu-335970DiVA: diva2:1164532
Available from: 2017-12-11 Created: 2017-12-11 Last updated: 2018-01-10

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