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Subject Area

Radiodiagnosis

Article Type

Original Study

Abstract

Background: The vermiform appendix is a hollow tubular structure arising from the cecum, typically located in the right lower quadrant of the abdomen. Aim: This study aimed to estimate the visualization rate of CT scan in the detection of normal appendix, along with its characteristics (length, diameter, and site). Methods: For this prospective cross-sectional investigation, 56 individuals were included who were scheduled to have abdominal CT. The helical scanner was used to acquire CT images with 5 millimeters of collimation and reconstruction for each 2.5 millimeters. The CT films were reviewed by an experienced radiologist, who was unaware of the surgical history of the patients. Outcomes included rate of appendix visualization, and characteristics of detected appendix. Results: CT demonstrated a visualization rate of 85.7%, with the appendix clearly identified in most cases. The appendix had a mean diameter of 5.35 millimeters and a length of 5.38 centimeters. Regarding normal vermiform appendix position, pelvic position was commonest (22.9%), followed by paracecal and sub-ileal positions (14.6% each). According to normal vermiform appendix content, air was the most prevalent type (64.6%), followed by contrast (18.7%) and collapsed appendix (14.6%). The findings of appendix visibility, the normal appendix's length or diameter, or the contents of the normal appendix on CT images were not significantly correlated with sex. Conclusion: Results highlighted the importance of understanding normal appendiceal variations to improve diagnostic interpretation and reduce misinterpretation in suspected appendicitis. CT evaluation should incorporate appendiceal diameter, mural characteristics, peri-appendiceal changes, and clinical correlation rather than depend solely on a single morphologic parameter.

Creative Commons License

Creative Commons Attribution 4.0 International License
This work is licensed under a Creative Commons Attribution 4.0 International License.

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