ArticleSurgical case reports2025
A Case of Laparoscopic Resection of Gastric Cancer Using Novel Laparoscopic Fluorescence Spectrum System and Near-Infrared Fluorescent Clips.
Article in Surgical case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionIn laparoscopic gastrectomy, accurate marking of the lesion site is essential in determining the resection line of the stomach, owing to the lack of haptics and the direct link between negative pathological margins and prognosis. Intraoperative endoscopy may require personnel and prolong the operation time, whereas preoperative endoscopic tattooing using India ink faces problems related to the spread of ink and visibility. ZEOCLIP FS (Zeon Medical, Tokyo, Japan) is a clip made of fluorescent resin, covered by insurance since March 2019. It can be visualized from the serosal side using a near-infrared scope; however, its weak fluorescence intensity often poses viewing difficulties. Lumifinder (ADVANTEST, Tokyo, Japan) is a laparoscopic fluorescence spectrum system available for clinical use since February 2023. It can measure fluorescence intensity using a near-infrared laser and detect weak fluorescent signals. We report a case of gastric cancer in which the location of the lesion was confirmed intraoperatively using ZEOCLIP FS and Lumifinder. CASE PRESENTATION: A man in his 80s was diagnosed with gastric cancer following an examination for anemia. Two lesions were found: a 0-IIc type (cT1) at the lesser curvature of the gastric angle and a type 1 tumor (cT2) at the anterior wall of the upper gastric body. The preoperative assessment indicated no lymph node or distant metastasis. The tumor was diagnosed as cStage I and laparoscopic distal gastrectomy was planned. Two ZEOCLIP FS clips were placed on the oral side of the tumor on the anterior wall of the upper gastric body on the day before surgery. During surgery, fluorescent signals from the clips were detected using Lumifinder, enabling easy confirmation of the lesion location and determination of the gastric resection line.
conclusionsThe combined use of ZEOCLIP FS and Lumifinder was a useful new method for identifying the appropriate resection line of the stomach. We plan to evaluate this method further in additional cases to enhance the detection efficacy.
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