Abstract
Introduction
With expanding scope of interventions it becomes mandatory to have correct and evidence-based knowledge of surface anatomy of internal abdominal structures. Information available in text books is derived from work done on cadaveric studies. Current study was designed to provide data of key abdominal surface anatomical landmarks and their variations in living subjects using CT imaging of adult population.
Materials and methods
Cross-sectional study was conducted using 100 abdominopelvic CT scans of patients of Indian origin.
Results
Vertebral levels of origin of celiac trunk varied from T11 to L1/2 intervertebral disc, superior mesenteric artery from T12 to L2, inferior mesenteric artery from L2 to L4 and aortic bifurcation from L3 to L5. Origin of both renal arteries varied between T12 and L2 and the formation of inferior vena cava varied from L3 to L5. Vertebral levels of upper pole of both kidneys ranged from T11 to upper L3. Spleen was related to 9th to 11th ribs in 36% and 10th to 12th ribs in 34% scans. Most common vertebral levels of subcostal plane, planum supracristale and planum intertuberculare noticed were lower L2, L4 and lower L5, respectively.
Conclusions
Data derived from imaging investigations of living subjects and variations from the conventional descriptions observed in the current study might be helpful for clinicians.
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The authors thank the individuals whose data have been used in the study for the advancement in anatomical knowledge.
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RG data collection, manuscript writing. AA designed the study, manuscript writing and editing. TG manuscript writing and editing. AG data collection and standardisation of software used in the study. SJ statistical analysis. SAM designed the study. DS read and approved the final manuscript.
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This study was approved by the Institutional ethical committee (No: NK/3654/Study/561).
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Goyal, R., Aggarwal, A., Gupta, T. et al. Reappraisal of the classical abdominal anatomical landmarks using in vivo computerized tomography imaging. Surg Radiol Anat 42, 417–428 (2020). https://doi.org/10.1007/s00276-019-02326-4
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DOI: https://doi.org/10.1007/s00276-019-02326-4