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<p>We have previously reported laparoscopic total biopsy methods for suspected gallbladder cancer (GBC). The present prospective observational study evaluated the safety and feasibility of a novel two-stage algorithm using laparoscopic total biopsy methods. The two-stage algorithm was applied for 40 patients with suspected GBC between July 2018 and September 2022. Laparoscopic whole-layer cholecystectomy (LWLC) was performed for early-stage or suspected malignant lesions without liver invasion and laparoscopic gallbladder bed resection (LGBR) was performed for lesions with an unclear border between the gallbladder and liver. The appropriate strategy could be selected postoperatively depending on the final pathological diagnosis according to examination of permanent sections of gallbladder. If preoperative imaging reveals enlarged lymph nodes (LNs) with possible metastases, LN sampling with intraoperative pathological diagnosis is performed prior to gallbladder removal to determine whether to introduce neoadjuvant chemotherapy. As the first diagnostic procedure, we performed LWLC in 30 cases, LGBR in 8 cases, and LN sampling alone in 2 cases. Median operation time was 165&#xa0;min and median blood loss was 5.5&#xa0;ml. No bile leakage caused by intraoperative perforation of the gallbladder was observed. Histologically, GBC was diagnosed in 16 cases (pTis, <i>n</i> = 2; pT1a, <i>n</i> = 2; pT1b, <i>n</i> = 2; pT2, <i>n</i> = 6; pT3, <i>n</i> = 4). Seven of the 10 pT2/3 cases underwent additional open lymphadenectomy. The two-stage algorithm using laparoscopic total biopsy methods for suspected GBC appears to represent a safe, feasible procedure that could play an important role in the optimal treatment strategy.</p>

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A prospective observational study of laparoscopic approaches for suspected gallbladder cancer in Yamaguchi (YPB-002 LAGBY)

  • 期刊论文

  • 发表日期：

    2025年2月24日

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  • Yukio Tokumitsu,
  • Toru Kawaoka,
  • Satoshi Matsukuma,
  • Eijiro Harada,
  • Shigeyuki Suenaga,
  • Masahiro Tanabe,
  • Hidenori Takahashi,
  • Yoshitaro Shindo,
  • Hiroto Matsui,
  • Masao Nakajima,
  • Tatsuya Ioka,
  • Taro Takami,
  • Katsuyoshi Ito,
  • Hidekazu Tanaka,
  • Kimikazu Hamano,
  • Hiroaki Nagano

摘要

We have previously reported laparoscopic total biopsy methods for suspected gallbladder cancer (GBC). The present prospective observational study evaluated the safety and feasibility of a novel two-stage algorithm using laparoscopic total biopsy methods. The two-stage algorithm was applied for 40 patients with suspected GBC between July 2018 and September 2022. Laparoscopic whole-layer cholecystectomy (LWLC) was performed for early-stage or suspected malignant lesions without liver invasion and laparoscopic gallbladder bed resection (LGBR) was performed for lesions with an unclear border between the gallbladder and liver. The appropriate strategy could be selected postoperatively depending on the final pathological diagnosis according to examination of permanent sections of gallbladder. If preoperative imaging reveals enlarged lymph nodes (LNs) with possible metastases, LN sampling with intraoperative pathological diagnosis is performed prior to gallbladder removal to determine whether to introduce neoadjuvant chemotherapy. As the first diagnostic procedure, we performed LWLC in 30 cases, LGBR in 8 cases, and LN sampling alone in 2 cases. Median operation time was 165 min and median blood loss was 5.5 ml. No bile leakage caused by intraoperative perforation of the gallbladder was observed. Histologically, GBC was diagnosed in 16 cases (pTis, n = 2; pT1a, n = 2; pT1b, n = 2; pT2, n = 6; pT3, n = 4). Seven of the 10 pT2/3 cases underwent additional open lymphadenectomy. The two-stage algorithm using laparoscopic total biopsy methods for suspected GBC appears to represent a safe, feasible procedure that could play an important role in the optimal treatment strategy.