Changes in the length and diameter of the normal appendix throughout childhood

Searle, Asha R.; Ismail, Khairul A.; MacGregor, Duncan; Hutson, John M.

doi:10.1016/j.jpedsurg.2013.02.035

Cited by 26 publications

(19 citation statements)

References 19 publications

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“…Our meta-analysis showed a pooled mean length of the VA to be 80.29 mm (95%CI: 76.68-83.89), with no difference observed between males and females or between pediatric and adult populations. In a study by Searle et al, it was shown that VA growth occurs primarily throughout the first 3 years after birth; this finding is consistent with our results (Searle et al 2013). Furthermore, no difference in VA length was noted between patients with and without appendiceal pathology, which points toward its limited usefulness in diagnosing acute appendicitis (Pickhardt et al 2013).…”

Section: Discussionsupporting

confidence: 94%

Variations and morphometric features of the vermiform appendix: A systematic review and meta‐analysis of 114,080 subjects with clinical implications

et al. 2019

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Determining the true and indisputable data regarding the vermiform appendix (VA) morphology is of a great clinical interest. The aim of this study was to provide the best evidence‐based anatomical overview of the variations in location and size of VA using a systematic and meta‐analytical approach. A systematic review with meta‐analysis was performed of studies reporting variants of the location and morphometric data regarding the VA. The MEDLINE/PubMed, ScienceDirect, EMBASE, BIOSIS, SciELO, and Web of Science databases were thoroughly searched throughout June 2018. The reported locations of the body of the VA were re‐classified into a new, standardized classification system divided into nine categories. The AQUA tool was used to assess the quality of included studies. The research was conducted following PRISMA guidelines and registered at PROPSERO database. Our meta‐analysis included 242 studies (n = 114,080). Overall, the VA was most commonly found in the retrocecal location (32.1%, 95%CI: 29.2–35.1), followed by the pelvic (28.5%, 95%CI: 26.7–30.4) and ileal (14.5%, 95%CI: 11.8–17.7) locations. Subjects without known appendiceal pathologies had significantly smaller VA outer diameters (5.84 mm, 95%CI: 5.68–5.99) than patients diagnosed with acute appendicitis (10.64 mm, 95%CI: 10.14–11.15). The overall pooled mean length of the VA was 80.29 mm (95%CI: 76.68–83.89). Significant differences were found in size of the VA between imaging modalities. The results obtained from this evidence‐based anatomy study will improve the clinical understanding of the VA anatomy, which in turn will have major implications for clinical practice. Clin. Anat. 32:85–98, 2019. © 2019 Wiley Periodicals, Inc.

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Section: Discussionsupporting

confidence: 94%

Variations and morphometric features of the vermiform appendix: A systematic review and meta‐analysis of 114,080 subjects with clinical implications

et al. 2019

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“…It is similar to studies of Katzurski et al [9], Gholalipour et al [15], and L. Ajmani and K. Ajmani [13], but contrary to studies of Bakheit and Warille [19] and Rahman et al [11] that have reported that length of the appendix in women is longer than in men. Searle et al believes that after an initial growth period during early infancy up to about 3 years, the appendix achieves its adult proportions and does not continue to grow throughout childhood [20]. However, we found that individuals with older age have longer length of the appendix.…”

Section: Discussioncontrasting

confidence: 49%

Variation in Anatomical Position of Vermiform Appendix among Iranian Population: An Old Issue Which Has Not Lost Its Importance

Ghorbani

Forouzesh

Kazemifar

2014

Anatomy Research International

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Vermiform appendix has diverse anatomical positions, lengths, and conditions of mesoappendix. Knowing the exact anatomical position of vermiform appendix is important in view of surgeons for on-time diagnosis and management of acute appendicitis. The aim of present study is determination of these characteristics of vermiform appendix among Iranian population. The present study was conducted on 200 bodies, selected from the dead bodies that had been referred to local bureau of legal medicine, Zenjan province, Iran, for medicolegal autopsy since 21 Mar 2010 to 21 Mar 2011. According to the results, the anatomical positions of the appendix were pelvic, subcecal, retroileal, retrocecal, ectopic, and preileal in 55.8%, 19%, 12.5%, 7%, 4.2%, and 1.5% of the bodies, respectively. The mean length of vermiform appendix was 91.2 mm and 80.3 mm in men and women, respectively. Mesoappendix was complete in 79.5% of the bodies. No association was found between sex and anatomical position of vermiform appendix. Anterior anatomical position was the most common position for vermiform appendix. It is inconsistent with most related reports from western countries. It might be possible that some factors, such as race, geographical changes, and dietary habits, play roles in determining the position of vermiform appendix.

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“…A study on 210 acute appendicitis patients of childhood age group in Australia reported positive correlation between age of patient with the length of appendix only in <3 years age group. [12] They proposed that after an initial growth period during early infancy up to about 3 years, the appendix achieves its adult proportions and does not continue to grow throughout childhood. [12] In some other studies on 200 bodies from Iranian population [13] and 60 cadavers of the Sudanese population [14] , they found a significant association between the appendix length and different age groups.…”

Section: Discussionmentioning

confidence: 99%

“…[12] They proposed that after an initial growth period during early infancy up to about 3 years, the appendix achieves its adult proportions and does not continue to grow throughout childhood. [12] In some other studies on 200 bodies from Iranian population [13] and 60 cadavers of the Sudanese population [14] , they found a significant association between the appendix length and different age groups. They also reported that individuals with older age have a longer length of the appendix similar to the findings of present study.…”

Section: Discussionmentioning

confidence: 99%

Correlation between Age of Subjects and Length of the Appendix in Bundelkhand Region of India

2016

AIMDR

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Background: The aim of present study is to note the correlation of appendix length with age in both genders in patients of acute appendicitis from Bundelkhand region. Methods: This observational study was carried out on 100 patients belonging from Bundelkhand region of India, suffering from Acute Appendicitis. The patients were divided into groups based on their genders and ages. Measurement of length of the appendix was taken from base to tip. All the findings were tabulated and inferences were drawn followed by statistical comparison using t-test and ANOVA with p value <0.05 considered as significant. Regression analysis was done to note the correlation between age of the subject and length of appendix in both genders. Results: A highly significant positive correlation was noted between ages of patient with the length of the appendix. This positive correlation was seen in both genders. Conclusion: The data of the present study may provide a baseline in the standardization of the anthropometric information regarding the length of vermiform appendix of Bundelkhand population.

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Changes in the length and diameter of the normal appendix throughout childhood

Cited by 26 publications

References 19 publications

Variations and morphometric features of the vermiform appendix: A systematic review and meta‐analysis of 114,080 subjects with clinical implications

Variations and morphometric features of the vermiform appendix: A systematic review and meta‐analysis of 114,080 subjects with clinical implications

Variation in Anatomical Position of Vermiform Appendix among Iranian Population: An Old Issue Which Has Not Lost Its Importance

Correlation between Age of Subjects and Length of the Appendix in Bundelkhand Region of India

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