术前应用超顺磁氧化铁行磁共振淋巴造影后，采用手持式无绳磁探针行前哨淋巴结活检术诊断临床 N0 期口腔癌：一项可行性研究。
Sentinel lymph node biopsy with a handheld cordless magnetic probe following preoperative MR lymphography using superparamagnetic iron oxide for clinically N0 early oral cancer: A feasibility study.
机构信息
Department of Oral and Maxillofacial Surgery/Orthodontics, Yokohama City University hospital, 3-9 Fukuura, Kanazawa-ku, Yokohama, Kanagawa 236-0004, Japan.
Department of Oral and Maxillofacial Surgery/Orthodontics, Yokohama City University hospital, 3-9 Fukuura, Kanazawa-ku, Yokohama, Kanagawa 236-0004, Japan.
出版信息
J Stomatol Oral Maxillofac Surg. 2022 Oct;123(5):521-526. doi: 10.1016/j.jormas.2022.01.003. Epub 2022 Jan 8.
PURPOSE
Radioisotope (RI) tracers are generally used for preoperative mapping of sentinel lymph node (SLN) and intraoperative detection with a portable γ probe. However, the use of RI has several limitations. Therefore, a method without RI is required for the widespread application of SLN biopsy. The purpose of this study was to evaluate the feasibility of SLN biopsy with a handheld cordless magnetic probe following magnetic resonance lymphography (MRL) using superparamagnetic iron oxide (SPIO) and for clinically N0 early oral cancer.
MATERIALS AND METHODS
MRL using SPIO and SLNB with the handheld cordless magnetic probe were performed for 27 patients with clinically N0 early oral cancer.
RESULTS
In all 27 patients (100%), SLNs were detected by MRL, and the total and mean number of SLNs were 73 and 2.7, respectively. All SLNs identified by MRL were detectable using the magnetic probe in all patients.
CONCLUSIONS
SLNB with handheld cordless magnetic probe following preoperative SLN mapping by MRL using SPIO is feasible, without RI use, for neck management in cases of clinically N0 early oral cancer.
目的
放射性同位素 (RI) 示踪剂通常用于前哨淋巴结 (SLN) 的术前绘图和便携式 γ 探头的术中检测。然而，RI 的使用存在一些局限性。因此，需要一种无需 RI 的方法来广泛应用 SLN 活检。本研究旨在评估使用超顺磁氧化铁 (SPIO) 进行磁共振淋巴造影 (MRL) 后，使用手持式无绳磁探头进行 SLN 活检的可行性，并评估其在临床 N0 期早期口腔癌中的应用。
材料和方法
对 27 例临床 N0 期早期口腔癌患者进行 MRL 联合手持式无绳磁探头 SLNB。
结果
在所有 27 例患者（100%）中，MRL 均检测到 SLN，SLN 的总数和平均值分别为 73 个和 2.7 个。所有通过 MRL 识别的 SLN 在所有患者中均可用磁性探头检测到。
结论
对于临床 N0 期早期口腔癌，在使用 SPIO 进行术前 SLN 绘图后，使用手持式无绳磁探头进行 SLNB，无需使用 RI，可实现颈部管理，这是可行的。
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