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NCT Number: NCT06712589

The Image Characteristics of Adult Appendix on Computed Tomography

A retrospective analysis of CT images from adult patients who underwent scans for reasons unrelated to appendicitis. The study period will span from January 2010 to August 2024. Through this research, we hope to gain a comprehensive understanding of appendix positioning and compile definitive data on its most common locations.

Active, Not Recruiting

This study is active but is not currently recruiting participants.

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Key information

Conditions

Location of Appendix

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

National Taiwan University Hospital

Taipei, 100, Taiwan

About this study

The investigators conducted a retrospective analysis of CT images from adult patients who underwent scans for reasons unrelated to appendicitis. The study period will span from January 2010 to August 2024. Through this research, we hope to gain a comprehensive understanding of appendix positioning and compile definitive data on its most common locations.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

CT of patients without appendicitis

Exclusion criteria

CT of patients with appendicitis

Treatment and study plan

Primary outcomes

  1. Location of appendix

    Time frame: 1 day

    Analyze the location and categorize to seven groups: preileal, postileal,promontory, pelvic, subcecal, paracecal, retrocecal

Sponsors and collaborators

Lead sponsor

National Taiwan University Hospital

Other

Registry information

Important dates

Study start
2024
Primary completion
2026
Study completion
2026
First posted
Dec 2, 2024
Registry last updated
Dec 17, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.