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Evaluation of Inferior Phrenic Artery Variations of 1029 Patients Using MDCT Angiography

[ Vol. 14 , Issue. 1 ]

Author(s):

Mustafa Kara*, Bumin Degirmenci, Hakan Demirtas, Gursel Cetinkaya, Mustafa Kayan, Ayse Umul, Ahmet O. Celik and Aykut Recep Aktas   Pages 118 - 123 ( 6 )

Abstract:


Background: 128-Multi-detector computerized tomography (128-MDCT) technologies make the detection of inferior phrenic arteries (IPAs) originations and traces possible. Knowing their originating and variations is very important for planning interventional and surgical procedures. Objective: To evaluate the IPAs variations in a large patient group, using 128-MDCTA.

Methods: The origin, trace and branching pattern of IPAs were evaluated using128- MDCTA in 1029 patients. The study population included 53.3% males and 46.7% females with a mean age of 59±15.7 years. We used abdominal aortic CTA and hepatic arterial phase images of triphasic abdominal CT which were obtained for various reasons.

Results: Right and left IPA (RIPA and LIPA) arose from the celiac trunk (35,6% and 46,6%), abdominal aorta (27,2% and 23,4%), right and left renal artery (8,6% and 0,9%), and left gastric artery (1,1% and 0,9 %). Respectively IPAs rarely originate from accessory or polar renal artery, main hepatic artery, superior mesenteric artery (SMA), splenic artery, dorsal pancreatic artery and accessory left hepatic artery. In 74% of the patients RIPA and LIPA originated from a separate branch, whereas in 26% of the patients RIPA and LIPA originated from a common trunk. The localization of common trunk was celiac trunk in 13,6%, abdominal aorta in 11,4%, left gastric and right renal artery in 0,3%, left renal artery in 0,2% and splenic artery in 0,1% of the patients.

Conclusion: This study is the first to detect 9 new origin sites and 4 new common root types of IPAs.

Keywords:

Inferior phrenic artery, variations, MDCTA, aorta, celiac trunk, origin.

Affiliation:

Department of Radiology, Suleyman Demirel University Hospital, Isparta, Department of Radiology, Suleyman Demirel University Hospital, Isparta, Department of Radiology, Suleyman Demirel University Hospital, Isparta, Department of Radiology, Suleyman Demirel University Hospital, Isparta, Department of Radiology, Suleyman Demirel University Hospital, Isparta, Department of Radiology, Suleyman Demirel University Hospital, Isparta, Department of Radiology, Suleyman Demirel University Hospital, Isparta, Department of Radiology, Suleyman Demirel University Hospital, Isparta

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