评估Sentimag系统对乳腺癌患者前哨淋巴结活检的指导作用。

Expert review of medical devices Pub Date : 2024-01-01 Epub Date: 2024-02-04 DOI:10.1080/17434440.2023.2284790
Hira Abidi, Richard J Bold
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引用次数: 0

摘要

导读:乳腺癌前哨淋巴结活检是一种定位和切除浸润性乳腺癌第一个引流淋巴结的方法。前哨淋巴结的组织病理学评估用于预测复发和生存,从而指导肿瘤学家制定治疗决策以实施辅助治疗。识别前哨淋巴结的能力取决于绘制从乳房到前哨淋巴结的淋巴引流图的方法,并准确地将该淋巴结与腋窝其他非前哨淋巴结区分开来。涵盖领域:本综述涵盖了临床对技术的需求,以帮助外科医生在术中进行淋巴定位,以明确识别乳腺癌患者的前哨淋巴结。本文综述了超顺磁性氧化铁示踪剂在淋巴成像中的性能特点,并与目前其他可用的淋巴成像技术进行了比较。专家意见:Magtrace(超顺磁性氧化铁示踪剂)Sentimag(手持式磁探头)系统是fda批准的术中淋巴定位技术,用于促进乳腺癌前哨淋巴结活检,其技术性能特征相当于99锝-硫胶体。阻碍其广泛应用的主要障碍是需要非金属装置来进行手术,这将干扰顺磁法进行示踪剂定位。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessing the Sentimag system for guiding sentinel node biopsies in patients with breast cancer.

Introduction: Sentinel lymph node biopsy for breast cancer is a method to localize and excise the first draining lymph node from an invasive cancer of the breast. The histopathologic evaluation of the sentinel lymph node is used for predicting recurrence and survival and thus, guiding oncologists for treatment-decision making to administer adjuvant therapies. The ability to identify the sentinel node depends on methods to map lymphatic drainage from the breast to the sentinel node and accurately discriminate that node from other non-sentinel lymph nodes of the axilla.

Areas covered: This review covers the clinical demand for technologies to assist the surgeon in intraoperative lymphatic mapping to specifically identify the sentinel lymph node in patients with breast cancer. Performance characteristics are reviewed for superparamagnetic iron oxide tracers used in lymphatic mapping compared to other current available technologies for lymphatic mapping.

Expert opinion: The Magtrace (superparamagnetic iron oxide tracer) Sentimag (handheld magnetic probe) system is an FDA-approved technology for intraoperative lymphatic mapping to facilitate sentinel lymph node biopsy in breast cancer with technologic performance characteristics that are equivalent to 99Technetium-sulfur colloid. Barriers to broader utilization primarily center around the need for nonmetallic devices to be used for the conduct of surgery, which would interfere with the paramagnetic method for tracer localization.

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