Oncologic Risk of Missed Appendiceal Tumors in Acute Appendicitis - PubMed
3 hours ago
- #Acute Appendicitis
- #Appendiceal Tumors
- #Antibiotic Management
- The study assesses the risk of missing appendiceal tumors when using antibiotic-only management for uncomplicated acute appendicitis.
- Among 2293 appendectomies, 1.6% had malignant/premalignant lesions, with neuroendocrine tumors (NETs) being the most common, mostly small and low-grade.
- Aggressive tumors were associated with older age, longer symptom duration, larger appendiceal diameter, and radiologic signs of complicated appendicitis.
- Preoperative criteria (e.g., age <60, pain <14 days, appendiceal diameter <15 mm, uncomplicated imaging) reliably excluded aggressive tumors.
- Most patients (74% overall, 85% with uncomplicated cases) met eligibility for antibiotic-only management, supporting its oncologic safety in carefully selected individuals.