Division of Anatomy, Faculty of Dentistry, "Carol Davila" University of Medicine and Pharmacy, 8 Eroilor Sanitari Blvd., 050474, Bucharest, Romania.
Surg Radiol Anat. 2023 Oct;45(10):1269-1271. doi: 10.1007/s00276-023-03221-9. Epub 2023 Jul 31.
Fenestrations of posterior cerebral artery are exceedingly rare and, therefore, deserve being reported.
During an educational dissection, a peculiar anatomical variant of the posterior cerebral artery (PCA) was found.
During an educational dissection targeting the right cerebellopontine angle, a peculiar variant of the right PCA was found. The respective posterior communicating artery inserted posteriorly into the junction of the P1 and P2 segments of the PCA. The P1 segment was thinner than the P2 segment. That junction was superior to the oculomotor nerve and was fenestrated, with a thin postero-medial arm facing the cerebral peduncle, and a larger antero-lateral arm formed by the distal end of the P1 segment and the proximal end of the P2 segment.
To the authors' knowledge, fenestrated P1-P2 junctions of PCA were not found previously by dissection. The evidence presented here recommends such variations not to be ignored.
后交通动脉的窗孔非常罕见，因此值得报道。
在一次教育解剖中，发现了一种特殊的后交通动脉（PCA）解剖变异。
在针对右小脑脑桥角的教育解剖中，发现了右侧 PCA 的一种特殊变异。相应的后交通动脉从后面插入 PCA 的 P1 和 P2 段的交界处。P1 段比 P2 段薄。该交界处位于动眼神经上方，且有窗孔，一个薄的后内侧臂面向大脑脚，一个较大的前外侧臂由 P1 段的远端和 P2 段的近端形成。
据作者所知，以前的解剖并未发现 PCA 的 P1-P2 交界处有窗孔。这里提出的证据表明，不应忽视这些变异。
