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<p>Endoscopic retrograde appendicitis therapy (ERAT) and its visually enhanced technique (Endoscopic direct appendicitis therapy, EDAT) represent a novel minimally invasive approach, offering advantages such as high-definition real-time visualization and precise intervention. This article reports a case of a 49-year-old male with acute appendicitis accompanied by an early abscess. CT findings suggested appendicitis with abscess formation, while EDAT exploration confirmed perforation at the appendiceal tip along with adjacent fecalith impaction, further verified by contrast imaging. During the procedure, the fecalith was extracted via EDAT, followed by irrigation of the purulent cavity and placement of a modified 7 Fr × 7&#xa0;cm pancreatic stent for drainage. The patient experienced immediate symptom relief postoperatively, with serial follow-up CT scans on the procedure day, 3rd, and 7th postoperative days demonstrating gradual abscess resolution and normalized inflammatory markers, leading to discharge on day 3. A subsequent 3-month telephone follow-up revealed no recurrence of abdominal pain. This case illustrates that EDAT/ERAT can provide integrated diagnosis and definitive management for complicated appendicitis, avoiding the trauma associated with surgical intervention and offering valuable clinical insights.</p>

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Successful Endoscopic Direct Appendicitis Therapy (EDAT) for occult appendiceal perforation with abscess: a case report

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月12日

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  • BinLei Zhou,
  • Yutong Ma,
  • Ting Li

摘要

Endoscopic retrograde appendicitis therapy (ERAT) and its visually enhanced technique (Endoscopic direct appendicitis therapy, EDAT) represent a novel minimally invasive approach, offering advantages such as high-definition real-time visualization and precise intervention. This article reports a case of a 49-year-old male with acute appendicitis accompanied by an early abscess. CT findings suggested appendicitis with abscess formation, while EDAT exploration confirmed perforation at the appendiceal tip along with adjacent fecalith impaction, further verified by contrast imaging. During the procedure, the fecalith was extracted via EDAT, followed by irrigation of the purulent cavity and placement of a modified 7 Fr × 7 cm pancreatic stent for drainage. The patient experienced immediate symptom relief postoperatively, with serial follow-up CT scans on the procedure day, 3rd, and 7th postoperative days demonstrating gradual abscess resolution and normalized inflammatory markers, leading to discharge on day 3. A subsequent 3-month telephone follow-up revealed no recurrence of abdominal pain. This case illustrates that EDAT/ERAT can provide integrated diagnosis and definitive management for complicated appendicitis, avoiding the trauma associated with surgical intervention and offering valuable clinical insights.