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Microsurgical anatomy of the subcallosal artery

Abstract : Background and purpose The subcallosal artery [SCA, a branch of the anterior communicating artery (ACoA)] is not well described in the literature. However, the memory disorders that can occur after surgical repair of ruptured ACoA aneurysms might be related to infarction of the SCA. The objective of the present study was to perform a thorough anatomical assessment of the SCA. Methods The study was carried out over a 6-month period in a University Hospital's anatomy laboratory, using brains extracted from human cadavers. The brains were injected with colored neoprene latex and dissected to study the SCA's origin, path, termination, diameter, length, and vascularized territories. Results 21 cadaveric specimens were studied. The mean +/- standard deviation diameter and length of the SCA were 0.83 +/- 0.57 mm and 38.14 +/- 25.11 mm, respectively. The predominantly vascularized territories were the paraterminal gyrus (100%), the parolfactory gyrus (78.95%), the rostrum (84.21%) and genu (78.95%) of the corpus callosum, the lamina terminalis (78.95%), the anterior commissure (63.16%), the anterior cingulate gyrus (47.37%), and the fornix (26.32%). When the SCA supplied the fornix and the anterior cingulate gyrus, it was significantly longer and broader (p < 0.05). Conclusion Anatomic knowledge of the SCA is crucial-especially for the treatment of ACoA aneurysms.
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Contributeur : Louise DESSAIVRE Connectez-vous pour contacter le contributeur
Soumis le : lundi 7 mars 2022 - 10:26:36
Dernière modification le : jeudi 1 septembre 2022 - 15:34:23




Louis Chenin, Aline Kaoudi, Pascal Foulon, Eric Havet, Johann Peltier. Microsurgical anatomy of the subcallosal artery. Surgical and Radiologic Anatomy, Springer Verlag (Germany), 2019, 41 (9), pp.1037-1044. ⟨10.1007/s00276-019-02279-8⟩. ⟨hal-03599361⟩



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