[A Case of Gallbladder Cancer with Para-Aortic Lymph Node Metastasis Successfully Treated by Gemcitabine plus

Tomokatsu Kato1, Yoichi Matsuo, Goro Ueda

  • 1Dept. of Gastroenterological Surgery, Nagoya City University Graduate School of Medical Sciences.

Insights

This gallbladder cancer case shows successful conversion surgery after neoadjuvant chemotherapy. Multimodality treatment enabled tumor resection in advanced gallbladder cancer.

Area of Science:

  • Oncology
  • Gastroenterology
  • Surgical Oncology

Background:

  • Gallbladder cancer with para-aortic lymph node metastasis typically has a poor prognosis.
  • Early detection and accurate staging are crucial for treatment planning.

Observation:

  • A 59-year-old woman presented with elevated CA19-9 and gallbladder wall thickening.
  • Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) confirmed undifferentiated gallbladder cancer with lymph node metastasis.
  • FDG-PET revealed tumor involvement in the gallbladder and para-aortic lymph nodes, deeming the cancer unresectable.

Findings:

  • Neoadjuvant chemotherapy (gemcitabine plus cisplatin) led to significant tumor response, including reduced lymph node size and decreased FDG uptake.
  • Conversion surgery, including extended cholecystectomy and extrahepatic bile duct resection, was successfully performed.
  • Histopathological examination confirmed complete tumor resection with no residual cancer cells.

Implications:

  • Multimodality treatment, including neoadjuvant chemotherapy followed by conversion surgery, can be a viable strategy for initially unresectable gallbladder cancer.
  • This approach may improve outcomes for patients with advanced gallbladder cancer and lymph node metastasis.
  • Further research into conversion surgery for gallbladder cancer is warranted.

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