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Morphological variant of the posterior cerebral artery's origin and trajectory: a case report (543.13)
Author(s) -
Daescu Ecaterina,
Enache Alexandra,
Baderca Flavia,
Sztika Dorina,
Zahoi Delia
Publication year - 2014
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.28.1_supplement.543.13
Subject(s) - anatomy , anterior cerebral artery , dissection (medical) , posterior cerebral artery , medicine , cerebral arteries , cerebral peduncle , cadaver , anastomosis , middle cerebral artery , ischemia , surgery , radiology , cardiology , magnetic resonance imaging , white matter , internal capsule
The complexities of cerebral pathology have led to the necessity of detailed knowledge of arterial blood flow in the region. An important part of this is represented by the cerebral arterial circle. During a routine dissection within the Department of Anatomy and Embryology’s laboratory, an atypical cerebral arterial circle was observed on the cadaver of a 58‐year‐old male. The subject’s cause of death had been unrelated. From their origins, both posterior cerebral arteries cross the optic tracts and descend along the medial portion of the homolateral cerebral peduncle’s anterior side, down to the pontopeduncular sulcus. At this level, the left artery anastomoses with the superior cerebellar artery at its’ origin, changes direction by almost 90 degrees, crosses the optic tract yet again and continues towards the lateral side of the peduncle. The right artery also joins the superior cerebellar artery before taking an S‐shaped path. It takes a first sharp turn, crosses the anterior side of the cerebral peduncle obliquely up to the optic tract, before taking a second, wider turn and descending parallel to the lateral side of the peduncle. The existence and variety of such morphological anomalies need to be taken into account by practitioners, both in investigations such as angiographies as well as during surgical interventions.