Original Articles
Vol. 14 (2019)
https://doi.org/10.3269/1970-5492.2019.14.23

PANCREATICODUODENAL ARTERIES ANEURYSMS: EVALUATION OF FREQUENCY AND ASSOCIATION WITH CELIAC ARTERY STENOSIS DUE TO COMPRESSION BY MEDIAN ARCUATE LIGAMENT

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Received: October 20 2025
Published: January 12 2026
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Authors

Giovanni Caruana
gio.caruana@gmail.com
Department of Radiology, University of Palermo, Italy.
Roberto Cannella
Department of Radiology, University of Palerm, Italy.
Dario Giambelluca
Department of Radiology, University of Palermo, Italy.
Dario Picone
Department of Radiology, University of Palermo, Italy.
Giuseppe Lo Re
Department of Radiology, University of Palermo, Italy.
Emanuele Grassedonio
Department of Radiology, University of Palermo, Italy.
Massimo Midiri
Department of Radiology, University of Palermo, Italy.
Giuseppe Salvaggio
Department of Radiology, University of Palermo, Italy.
The aim of the study is to evaluate the prevalence of pancreaticoduodenal arteries (PDA) aneurysms in
a large population, and to define possible correlations with celiac artery stenosis due to compression
by the median arcuate ligament. Radiological reports of abdominal contrast-enhanced CT scans of
18,180 patients were scrutinized to identify patients with true PDA aneurysms. Two abdominal
radiologists classified the aneurysms according to size, location and morphology and scored the
presence of celiac artery stenosis due to either median arcuate ligament compression or atherosclerotic
disease. Eleven true PDA aneurysms were identified in 10 patients. Nine out of 10 patients had
stenosis of the celiac artery, in which 8 cases (80%) was due to compression by the median arcuate
ligament of the diaphragm, which likely represents the most common underlying etiology. In our
population, the prevalence of reported PDA aneurysms was 0.055

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PANCREATICODUODENAL ARTERIES ANEURYSMS: EVALUATION OF FREQUENCY AND ASSOCIATION WITH CELIAC ARTERY STENOSIS DUE TO COMPRESSION BY MEDIAN ARCUATE LIGAMENT. (2026). EuroMediterranean Biomedical Journal, 14. https://doi.org/10.3269/1970-5492.2019.14.23
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