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Anatomical study of the intrapetrous branches of the internal carotid artery
Andreo, Jesus Carlos; Navarro, João adolfo Caldas; Toledo-Filho, João Lopes; Zorzetto, Neivo Luiz.
  • Andreo, Jesus Carlos; Universidade de São Paulo. Departamento de Morfologia de Bauru.
  • Navarro, João adolfo Caldas; Universidade de São Paulo. Departamento de Morfologia de Bauru.
  • Toledo-Filho, João Lopes; Universidade de São Paulo. Departamento de Morfologia de Bauru.
  • Zorzetto, Neivo Luiz; Universidade de São Paulo. Departamento de Morfologia de Bauru.
Braz. j. morphol. sci ; 14(1): 25-8, jan.-jun. 1997. ilus
Article in Portuguese, English | LILACS | ID: lil-268983
RESUMO
The description of the trajectory and ramifications of the petrous portion of the internal carotid artery (ICA) is not uniforme and knowledge of these variations is of great importance for image diagnosis profissionals and surgeons working in this area. In the present anatomical study, we injected a contrast mixture into the petrous portion of 30 ICA; we then observed 20 of then by microdissection, and obtained sections perpendicular to the horizontal portion of the carotid canal from the remeaning 10. Different results were obtained for the dissected and sectioned material. In 7 of the dissected specimens (35 per cent) the ICA are branched and in 6 of them ramification occurred in the horizontal segment. The branches were classified as periosteal in 7 cases and as arteries of the pterygoid canal in 5. In the 10 sectioned pieces, the ICA branched in only one case (10 per cent) and the branch was classified as an artery of the pterygoid canal. No branch that could be classified as a caroticotympanic of the ICA could be systematized in terms of the periosteal branches and pterygoid canal, but that more studies are needed for the caroticotympanic branch.
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Index: LILACS (Americas) Main subject: Carotid Artery, Internal Limits: Adult / Female / Humans / Male Language: English / Portuguese Journal: Braz. j. morphol. sci Journal subject: Anatomy Year: 1997 Type: Article

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Index: LILACS (Americas) Main subject: Carotid Artery, Internal Limits: Adult / Female / Humans / Male Language: English / Portuguese Journal: Braz. j. morphol. sci Journal subject: Anatomy Year: 1997 Type: Article