Appendiceal Carcinoids in Children-Prevalence, Treatment and Outcome in a Large Nationwide Pediatric Cohort

Johannes Wolfgang Duess1, Ansgar Lange2, Jan Zeidler2

  • 1Department of Pediatric Surgery, University of Leipzig, 04103 Leipzig, Germany.

Insights

Appendiceal carcinoids, rare pediatric neuroendocrine tumors, were found in 0.11% of appendectomies. Most children received only appendectomy, but treatment varied, necessitating further study.

Area of Science:

  • Pediatric Oncology
  • Gastrointestinal Surgery
  • Pathology

Background:

  • Appendiceal carcinoids are rare neuroendocrine tumors often discovered incidentally after appendectomy.
  • Prevalence, treatment, and outcomes in pediatric cases are not well-established.

Purpose of the Study:

  • To determine the prevalence of appendiceal carcinoid tumors in children.
  • To analyze treatment modalities and outcomes in pediatric patients.

Main Methods:

  • Observational cohort study analyzing 8 years of data from a large German health insurance database.
  • Included patient demographics, surgical techniques, departmental data, diagnostic work-up, and postoperative morbidity.

Main Results:

  • Appendiceal carcinoids were identified in 44 out of 40,499 pediatric appendectomy cases (0.11% prevalence).
  • The mean age was 14.7 years; 91% underwent laparoscopic appendectomy.
  • Only 18% required right-sided hemicolectomy, and 11% had additional imaging (CT/MRI).

Conclusions:

  • Appendiceal neuroendocrine tumors are rare in children, with a prevalence of 0.11%.
  • Appendectomy alone was the primary treatment for most pediatric patients.
  • Treatment approaches remain variable, highlighting the need for longer follow-up and guideline evaluation for limited surgical strategies.

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