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  • Title: Case of needle tract seeding during preoperative neoadjuvant chemotherapy for resectable pancreatic cancer.
    Author: Yane K, Aoki M, Tomita Y, Yoshida M, Morita K, Ihara H, Sumiyoshi T, Kondo H, Oyamada Y.
    Journal: DEN Open; 2023 Apr; 3(1):e124. PubMed ID: 36247310.
    Abstract:
    Reports of needle tract seeding (NTS) as a complication of endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) have been increasing. To date, most of the reported cases of NTS have been diagnosed during the postoperative follow-up period. Herein, we report a case of NTS that occurred during preoperative neoadjuvant chemotherapy after EUS-FNA for resectable pancreatic cancer. The patient underwent transgastric EUS-FNA for a pancreatic tail tumor. He was diagnosed as having resectable pancreatic cancer and received preoperative neoadjuvant chemotherapy. After completion of the chemotherapy, computed tomography showed a thick-walled cyst-like structure appearing between the pancreas and the gastric wall. Combined resection revealed adenocarcinoma invasion into the cyst-like structure. Based on the clinical course, and surgical and pathological findings, the condition was diagnosed as NTS. It is thus crucial that after EUS-FNA, a detailed review of the imaging findings be conducted in the preoperative period. If adhesions between the stomach and the pancreas are observed after transgastric EUS-FNA, combined resection of the gastric wall should be considered.
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