Variant Anatomy and Its Terminology

Kachlík, David; Varga, Ivan; Báča, Václav; Musil, Vladimír

doi:10.3390/medicina56120713

Cited by 36 publications

(30 citation statements)

References 91 publications

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“…14,15 different results by different studies suggest that there is influence of genetic variation, geographical distribution and race ethnicity on the position of appendix in various populations of the world. A study conducted in Canada by Hirpara et al and another study in Europe by Kachlík et al on the variations of anatomy of appendix reported similar findings as our study reported 16,17 .…”

Section: Discussionsupporting

confidence: 91%

Variations in Anatomical Position of Vermiform Appendix in Pakistani Population

Jabeen¹,

Romaiza²,

Malik³

et al. 2022

PJMHS

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Aim: To study diversity in position and length of vermiform appendix in human body to manage the patients properly presenting with acute appendicitis. Methods: This is a cross sectional study conducted on 240 bodies. Study was conducted in anatomy department of Dow University of health sciences. Study was completed in one year duration from January 2021 to December 2021. Site and length of vermiform appendix was observed in dead bodies undergoing autopsy. Sample size was calculated using WHO sample size calculator. Consecutive sampling technique was used for sample selection. Data was analyzed using SPSS software (version-20) and chi-square test was applied on the collected data. Result: Total 240 bodies were studied for the anatomical position of appendix, including 156(65%) males and 84(35%) females. Mean age was 34.6 ± 5.2 years with the range of ages as 8-65 years. Mean length of the appendix was 92.6 ± 2.5 mm in men and 85.3 ± 4.7 mm in women. Pelvic position was the most common position of appendix found in 122(50.8%) bodies. Conclusion: High incidence of anterior position of appendix in Pakistani population describe that diagnosis of acute appendicitis can be made sooner and easier in our population with less complications like missed diagnosis, gangrene and perforation as compared to other populations. Key words: Vermiform appendix, Pakistani population, Appendicitis, Anatomical position

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Section: Discussionsupporting

confidence: 91%

Variations in Anatomical Position of Vermiform Appendix in Pakistani Population

Jabeen¹,

Romaiza²,

Malik³

et al. 2022

PJMHS

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“…Generally, anatomical variations are usually classified as frequent (10-100%), infrequent (1-10%), rare (<1%), and sporadic (<100 reported cases) in nature. 16 Based on the findings of this study, all ethmoid sinus anatomical variations may be considered as frequent findings among the Hong Kong or Southern Chinese population, with ANC being extremely frequent. This finding is clinically relevant in this population, especially for surgical procedures such as FESS, as inadequate removal of an ethmoid sinus variation such as ANC may result in iatrogenic chronic frontal sinusitis.…”

Section: Discussionmentioning

confidence: 63%

Anatomical variations of the ethmoid sinuses and their association with health or pathology of the ethmoid and maxillary sinuses in a Southern Chinese population: An analysis using cone-beam computed tomography

et al. 2022

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Purpose The aim of this study was to evaluate the prevalence of clinically relevant anatomical variations of the ethmoid sinuses and their potential association with ethmoid and maxillary sinus pathologies on cone-beam computed tomography (CBCT) scans. Additionally, potential associations with different sides and demographic factors, including age and sex, were evaluated. Materials and Methods In total, 273 CBCT scans with complete ethmoid and maxillary sinuses were analyzed to determine the prevalence of Agger nasi cell, supraorbital ethmoid cell, Haller cell, Onodi cell, and ethmomaxillary sinus. In addition, the health or pathology of the ethmoid and maxillary sinuses was also recorded to assess correlations with the aforementioned variations. Results The prevalence of Agger nasi cell was found to be the highest (95.6%) in this study, followed by Onodi cell (60.4%), Haller cell (29.3%), and supraorbital ethmoid cell (19.4%). Ethmomaxillary sinus was the least common finding (16.5%). Males and persons above 61 years of age had a significantly higher frequency of supraorbital ethmoid cell and Onodi cell, respectively. However, no significant relationships were noted between anatomical variations of the ethmoid sinus and pathologies of the ethmoid or maxillary sinus. Conclusion There was a high prevalence of ethmoid sinus variations in this Southern Chinese population. The prevalence of Agger nasi cell and Onodi cell was higher than that of other anatomical variations of the ethmoid sinuses. Anatomical variations of the ethmoid sinuses were not associated with ethmoid or maxillary sinus pathologies in this patient cohort.

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“…Prior knowledge of anatomical variants may have an importance in clinical practice, as it may be an unpleasant finding during a diagnostic or therapeutic procedure [21]. Radiologists and orthopedists could misinterpret the aperture as a lytic or cystic lesion, due to a relative radiolucency [1].…”

Section: Discussionmentioning

confidence: 99%

Olecranon aperture of the humerus: A morphometrical study

et al. 2021

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Introduction/Objective. Olecranon aperture is a variable opening in the septum between the olecranon and coronoid fossae. Its frequency varies largely in different populations and knowledge of its presence may have clinical implications. The objective of our study was to determine its prevalence in a sample of Serbian population and to investigate its morphology and morphometrical features, as well as its relation to the distal end of humerus. Methods. A material used were 70 human dry humeri from the bone collection of the Department of Anatomy, Faculty of Medicine, University of Nis. We analyzed the presence, shape, transverse and vertical diameter of the aperture, its distance to the tips of the epicondyles from medial (MB) and lateral border (LB), as well as the distance between epicondyles (EW) and translucency of the septum in the bones with no aperture. Vernier caliper was used for measurements of the diameters and distances. Results. Eight olecranon aperture were observed in seven bones (10%), seven on the left and one on the right side. Half of them were oval-shaped, while round, triangular, and irregular shape were found. Translucent septum in humeri with no aperture was present in 67.1% of the sample. There were no significant differences between MB and LB, neither between EW in bones with aperture and with septum. Conclusion. Our study presented the rare data about the frequency of olecranon aperture in Serbian population, suggesting that robusticity of the humerus is not related to the presence of the olecranon aperture.

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Variant Anatomy and Its Terminology

Cited by 36 publications

References 91 publications

Variations in Anatomical Position of Vermiform Appendix in Pakistani Population

Variations in Anatomical Position of Vermiform Appendix in Pakistani Population

Anatomical variations of the ethmoid sinuses and their association with health or pathology of the ethmoid and maxillary sinuses in a Southern Chinese population: An analysis using cone-beam computed tomography

Olecranon aperture of the humerus: A morphometrical study

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