Endoscopic submucosal excavation for a small rectal gastrointestinal stromal tumor with serosal layer preservation: a case report

Key Takeaways for GI Nurses

• Endoscopic submucosal excavation represents an emerging minimally invasive technique for removing small rectal GISTs while preserving the integrity of the serosal layer, potentially reducing surgical complications
• This procedure requires specialized endoscopic skills and equipment, emphasizing the need for advanced training in therapeutic endoscopy techniques for nursing staff supporting complex interventional procedures
• Patient monitoring during and after endoscopic submucosal excavation must focus on detecting potential complications such as perforation, bleeding, or thermal injury to surrounding tissues
• Understanding the anatomical considerations of rectal GIST removal helps nurses anticipate procedural challenges and prepare appropriate emergency protocols for managing complications

Clinical Relevance

This case report highlights the evolution of endoscopic therapy for gastrointestinal stromal tumors, particularly in challenging anatomical locations like the rectum. For endoscopy nurses, this technique represents a shift toward more complex therapeutic procedures that require enhanced technical knowledge and procedural support skills. The preservation of the serosal layer during endoscopic submucosal excavation suggests improved patient outcomes compared to traditional surgical approaches, but demands meticulous attention to procedural setup, equipment preparation, and real-time monitoring of tissue planes during dissection.

From a unit operations perspective, implementing endoscopic submucosal excavation for rectal GISTs requires investment in specialized endoscopic tools, enhanced staff training, and potentially longer procedure times. Nurses must be prepared to support extended therapeutic endoscopy sessions while maintaining optimal patient positioning and comfort. The technique also necessitates close collaboration between nursing staff and gastroenterologists to ensure proper tissue handling, specimen management, and immediate recognition of complications such as inadvertent serosal injury or thermal damage.

The implications for professional development are significant, as this procedure exemplifies the growing complexity of therapeutic endoscopy. Nurses working in advanced endoscopy units must continuously update their knowledge of innovative techniques like submucosal excavation, understand the specific instrumentation required, and develop expertise in supporting procedures that blur the traditional boundaries between endoscopic and surgical interventions. This case underscores the importance of specialized training programs and competency validation for nurses involved in complex therapeutic endoscopy procedures.

Bottom Line

Endoscopic submucosal excavation for small rectal GISTs represents a technically demanding but potentially superior alternative to surgical resection, requiring GI nurses to expand their therapeutic endoscopy expertise while maintaining heightened vigilance for complications during these complex procedures that preserve critical anatomical structures through advanced endoscopic techniques.