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Jornal Vascular Brasileiro

versão impressa ISSN 1677-5449versão On-line ISSN 1677-7301

Resumo

PULAKUNTA, Thejodhar et al. The origin of the inferior phrenic artery: a study in 32 South Indian cadavers with a review of the literature. J. vasc. bras. [online]. 2007, vol.6, n.3, pp.225-230. ISSN 1677-5449.  http://dx.doi.org/10.1590/S1677-54492007000300005.

BACKGROUND: Considering the paucity of information presently available concerning inferior phrenic arteries, a more definitive study seemed appropriate and necessary, both for its potential clinical applications and to provide additional data to contemporary anatomical literature. OBJECTIVE: Most anatomical textbooks of gross anatomy offer very little information concerning the anatomy and distribution of the inferior phrenic artery (IPA). For that reason, the origin of the IPA has been studied and the available literature has been reviewed. METHODS: Thirty-two human adult cadavers preserved in formalin obtained from the departments of Anatomy, Kasturba Medical College, Manipal and Mangalore were dissected and the origin of the IPA was studied. RESULTS: The IPA had its usual origin from the abdominal aorta in 28 cases but in the remaining four cases, two were arising from the celiac trunk, one from the left gastric artery and one from the right renal artery. CONCLUSION: The IPA usually originates from the aorta or celiac artery, and less frequently from the renal, hepatic or left gastric arteries. The IPA is a major source of collateral or parasitized arterial supply to hepatocellular carcinoma, second only to the hepatic artery. Literature on the IPA origin and clinical implications of variation in its origin have been reviewed in this article.

Palavras-chave : Inferior phrenic arteries; hepatocellular carcinoma; embolization; vascular variations.

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