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Background <p>The vermiform appendix (VA) exhibits significant anatomical variability, with the retrocecal position being the most commonly reported position in the literature. Currently, no data exist regarding the prevalence of appendiceal positions in the Lebanese population.</p> Purpose <p>This study aims to evaluate the prevalence of different anatomical positions of the appendix among Lebanese patients with acute appendicitis and explore associations with sex, complicated appendicitis, and presenting abdominal symptoms.</p> Methods <p>A retrospective study was conducted at Mount Lebanon Hospital University Medical Center from January 2019 to March 2024. 152 Lebanese patients diagnosed with acute appendicitis by computed tomography (CT) scan were included. Radiologists reviewed the scans to determine the positions of the appendix. Medical records were analyzed to assess abdominal symptoms and classify appendicitis as complicated or uncomplicated.</p> Results <p>The study included 57% males and 43% females, with a mean age of 31.7&#xa0;years (SD ± 15.6). The most common positions of the appendix were pelvic (30.26%), subcecal (23.68%), retrocecal (22.37%), postileal (15.13%), promontory (5.92%), preileal (1.32%), and paracecal (1.32%). No statistically significant associations were found between appendix position and complicated appendicitis (p value = 0.12) or between position and sex (p value = 0.372). Right lower quadrant pain (67%) was the most common symptom, followed by diffuse pain/not specified (27%) and epigastric pain (12%).</p> Conclusion <p>Among Lebanese patients with acute appendicitis, the pelvic position of the appendix was the most common, differing from the traditionally predominant retrocecal position. Understanding these variations can improve clinical assessment and reduce diagnostic delays.</p>

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Anatomical Variations in Vermiform Appendix Position among Lebanese Patients with Acute Appendicitis: A Retrospective CT- Based Study

  • 期刊论文

  • 发表日期：

    2025年8月15日

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  • Rawan Chazbek,
  • Elsa Hamoush,
  • Rasha Ballouk,
  • Michael Achram,
  • Marwan Haddad,
  • Georges Chahine

摘要

Background

The vermiform appendix (VA) exhibits significant anatomical variability, with the retrocecal position being the most commonly reported position in the literature. Currently, no data exist regarding the prevalence of appendiceal positions in the Lebanese population.

Purpose

This study aims to evaluate the prevalence of different anatomical positions of the appendix among Lebanese patients with acute appendicitis and explore associations with sex, complicated appendicitis, and presenting abdominal symptoms.

Methods

A retrospective study was conducted at Mount Lebanon Hospital University Medical Center from January 2019 to March 2024. 152 Lebanese patients diagnosed with acute appendicitis by computed tomography (CT) scan were included. Radiologists reviewed the scans to determine the positions of the appendix. Medical records were analyzed to assess abdominal symptoms and classify appendicitis as complicated or uncomplicated.

Results

The study included 57% males and 43% females, with a mean age of 31.7 years (SD ± 15.6). The most common positions of the appendix were pelvic (30.26%), subcecal (23.68%), retrocecal (22.37%), postileal (15.13%), promontory (5.92%), preileal (1.32%), and paracecal (1.32%). No statistically significant associations were found between appendix position and complicated appendicitis (p value = 0.12) or between position and sex (p value = 0.372). Right lower quadrant pain (67%) was the most common symptom, followed by diffuse pain/not specified (27%) and epigastric pain (12%).

Conclusion

Among Lebanese patients with acute appendicitis, the pelvic position of the appendix was the most common, differing from the traditionally predominant retrocecal position. Understanding these variations can improve clinical assessment and reduce diagnostic delays.