Endoscopic total layer resection with laparoscopic sentinel node dissection and defect closure for duodenal carcinoid

Area of Science:

• Gastroenterology
• Surgical Oncology
• Minimally Invasive Surgery

Background:

• Duodenal carcinoids, though small, can invade deeper mucosal layers, mimicking submucosal tumors.
• Complete tumor resection with clear margins is crucial, sometimes necessitating full-layer resection.
• Lymph node metastasis prediction solely by tumor size is unreliable.

Purpose of the Study:

• To introduce and describe a novel combined endoscopic and laparoscopic surgical technique for duodenal carcinoid tumors.
• To evaluate the utility of this combined approach in assessing the need for conventional lymph node dissection.

Main Methods:

• Endoscopic total layer resection (ETLR) for tumor removal.
• Laparoscopic sentinel lymph node dissection (LSLND) for nodal staging.
• Laparoscopic defect closure following resection.

Main Results:

• The described method integrates endoscopic tumor resection with laparoscopic nodal assessment.
• This approach allows for a tailored surgical strategy based on sentinel node status.
• It potentially avoids unnecessary extensive lymphadenectomy in select cases.

Conclusions:

• Endoscopic total layer resection with laparoscopic sentinel node dissection is a feasible and less invasive option for duodenal carcinoids.
• This combined technique facilitates informed decisions regarding the extent of lymph node dissection.
• Further studies are warranted to establish its long-term efficacy and oncological safety.