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Year :2016
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Month :
July-August
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Volume :
5
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Issue :
3
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Page :
-
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A Study of Variations in the Origin of Inferior Phrenic Artery in Adult Human Cadavers with Clinical and Embryological Significance
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Correspondence Address :
JYOTHI KRISHNARAJANAGAR CHANDRACHARI, Prathap rathap Kumar Jayaraayaraayara mu, Shai laja Shetty,
Dr. Jyothi Krishnarajanagar Chandrachari,
Assistant Professor, Department of Anatomy,
M S Ramaiah Medical College, M S R Nagar,
MSRIT Post, Mathikere, Bangalore- 560054, India.
E-mail: jyothimohankc@gmail.com
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Introduction: Introduction: The knowledge of variations of the arteries is important for the clinical, radiological and surgical diagnosis. The incidence of normal origin of inferior phrenic artery from abdominal aorta is 92%. Other sources of origin may be celiac trunk, renal artery, suprarenal, and hepatic, left gastric or superior mesenteric arteries accounting for 8% of cases.
Aim: To study the normal and anomalous origin of inferior phrenic artery and to discuss the embryological basis and clinical significance of the variations.
Materials and Methods: Fifty formalin fixed cadavers were dissected to observe the variations in the origin of inferior phrenic artery in the Department of Anatomy, M. S. Ramaiah Medical College, Bangalore.
Results: Inferior phrenic artery arose from abdominal aorta in forty three cadavers. Both right inferior phrenic artery and left inferior phrenic artery arose as a common trunk from abdominal aorta in one cadaver. Right inferior phrenic artery originated from celiac axis in one cadaver. Left inferior phrenic artery originated from celiac axis in four cadavers. Both left and right inferior phrenic arteries originated as common trunk from coeliac axis in three cadavers. Right inferior phrenic artery originated as a common trunk with right renal artery from abdominal aorta in one cadaver and as a common trunk with accessory renal artery from the abdominal aorta in one cadaver.
Conclusion: Precise knowledge of usual and anomalous origin of inferior phrenic arteries are essential for surgeons, anatomists, researchers and interventional radiologist for performing transcatheter embolization of not only of hepatic artery but also of the right inferior phrenic artery, which is the commonest extrahepatic collateral supply of hepatocellular carcinoma.
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