Radiographic anatomical study of median arcuate ligament compression in the celiac artery based on abdominal CTA

doi:10.13418/j.issn.1001-165x.2024.4.11

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Chinese Journal of Clinical Anatomy ›› 2024, Vol. 42 ›› Issue (4) : 424-428. DOI: 10.13418/j.issn.1001-165x.2024.4.11

Radiographic anatomical study of median arcuate ligament compression in the celiac artery based on abdominal CTA

Li Jingjing^1，2, Gong Shenchu¹*, Yin Jianbing¹

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Abstract

Objective　The epidemiologic and anatomic features of the median arcuate ligament (MAL) causing celiac artery (CA) compression were retrospectively investigated.　Methods　The starting position and distance of MAL and CA, the degree of compression of the celiac trunk, the angle of emergence (AE) and the fold angle (FA) of CA were measured. The anatomical and baseline characteristics of the compression of the CA caused by the MAL wereanalyzed.　Results　The levels of MAL and CA vertebral body initiation were negatively correlated with BMI. There were statistical differences in BMI, MAL and CA vertebral body initiation between the MAL/CA overlap group and non-overlap group. Abdominal trunk AE and FA were correlated with BMI. MAL caused abdominal trunk compression in 9.7% of cases, which was consistent with MALS in 4.6% of cases. There were statistical differences in BMI, AE, and FA angles between the abdominal trunk compression group and the non-compression group.　Conclusions　This study provides basis for the study of anatomy, pathology and clinical diagnosis and treatment of median arcuate ligament syndrome (MALS).

Key words

Median arcuate ligament syndrome;　Celiac artery compression;　Abdominal CTA / Imaging Anatomy

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Li Jingjing, Gong Shenchu, Yin Jianbing. Radiographic anatomical study of median arcuate ligament compression in the celiac artery based on abdominal CTA[J]. Chinese Journal of Clinical Anatomy. 2024, 42(4): 424-428 https://doi.org/10.13418/j.issn.1001-165x.2024.4.11

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