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Anomalous anastomosis between the external carotid artery and vertebrobasilar artery via the hypoglossal canal: a case report and review of literature.
Surg Radiol Anat. 2019 Jul; 41(7):849-852.SR

Abstract

We report a case of an anomalous anastomosis formed between the external carotid artery (ECA) and the vertebrobasilar artery (VBA) and passing through the hypoglossal canal. A carotid-vertebrobasilar anastomosis of this kind is typically considered a variant of persistent primitive hypoglossal artery which usually originates from the internal carotid artery. However, the anastomotic vessel in this case had a common trunk with the occipital artery (OA), a remnant of the primitive proatlantal artery. The proximal and distal parts of the anastomotic vessel seemed to have been derived from the primitive proatlantal artery and the primitive hypoglossal artery, respectively. Thus, we propose that this ECA-VBA anastomosis, which passed through the hypoglossal canal and had a common trunk with the OA, be referred to as a dilated primitive hypoglossal-proatlantal anastomosis; that is, a dilated ascending pharyngeal artery rather than a variant of persistent primitive hypoglossal artery.

Authors+Show Affiliations

Department of Neurology, Yokohama Brain and Spine Center, 1-2-1 Takigashira, Isogo-ku, Yokohama, 235-0012, Japan. ryamamoto-tuk@umin.ac.jp.Department of Neurology and Stroke Center, Hiratsuka Kyosai Hospital, Hiratsuka, Japan.Department of Neurology and Stroke Center, Hiratsuka Kyosai Hospital, Hiratsuka, Japan.Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan.Department of Neurology, Yokohama Brain and Spine Center, 1-2-1 Takigashira, Isogo-ku, Yokohama, 235-0012, Japan. ke00-johkura@city.yokohama.jp.

Pub Type(s)

Case Reports
Journal Article
Review

Language

eng

PubMed ID

30729985

Citation

Yamamoto, Ryoo, et al. "Anomalous Anastomosis Between the External Carotid Artery and Vertebrobasilar Artery Via the Hypoglossal Canal: a Case Report and Review of Literature." Surgical and Radiologic Anatomy : SRA, vol. 41, no. 7, 2019, pp. 849-852.
Yamamoto R, Mori N, Nakae Y, et al. Anomalous anastomosis between the external carotid artery and vertebrobasilar artery via the hypoglossal canal: a case report and review of literature. Surg Radiol Anat. 2019;41(7):849-852.
Yamamoto, R., Mori, N., Nakae, Y., Tanaka, F., & Johkura, K. (2019). Anomalous anastomosis between the external carotid artery and vertebrobasilar artery via the hypoglossal canal: a case report and review of literature. Surgical and Radiologic Anatomy : SRA, 41(7), 849-852. https://doi.org/10.1007/s00276-019-02205-y
Yamamoto R, et al. Anomalous Anastomosis Between the External Carotid Artery and Vertebrobasilar Artery Via the Hypoglossal Canal: a Case Report and Review of Literature. Surg Radiol Anat. 2019;41(7):849-852. PubMed PMID: 30729985.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Anomalous anastomosis between the external carotid artery and vertebrobasilar artery via the hypoglossal canal: a case report and review of literature. AU - Yamamoto,Ryoo, AU - Mori,Naoki, AU - Nakae,Yoshiharu, AU - Tanaka,Fumiaki, AU - Johkura,Ken, Y1 - 2019/02/07/ PY - 2018/09/20/received PY - 2019/02/01/accepted PY - 2019/2/8/pubmed PY - 2019/12/18/medline PY - 2019/2/8/entrez KW - External carotid artery KW - Hypoglossal branch of ascending pharyngeal artery KW - Occipital artery KW - Primitive hypoglossal artery KW - Proatlantal artery SP - 849 EP - 852 JF - Surgical and radiologic anatomy : SRA JO - Surg Radiol Anat VL - 41 IS - 7 N2 - We report a case of an anomalous anastomosis formed between the external carotid artery (ECA) and the vertebrobasilar artery (VBA) and passing through the hypoglossal canal. A carotid-vertebrobasilar anastomosis of this kind is typically considered a variant of persistent primitive hypoglossal artery which usually originates from the internal carotid artery. However, the anastomotic vessel in this case had a common trunk with the occipital artery (OA), a remnant of the primitive proatlantal artery. The proximal and distal parts of the anastomotic vessel seemed to have been derived from the primitive proatlantal artery and the primitive hypoglossal artery, respectively. Thus, we propose that this ECA-VBA anastomosis, which passed through the hypoglossal canal and had a common trunk with the OA, be referred to as a dilated primitive hypoglossal-proatlantal anastomosis; that is, a dilated ascending pharyngeal artery rather than a variant of persistent primitive hypoglossal artery. SN - 1279-8517 UR - https://www.unboundmedicine.com/medline/citation/30729985/Anomalous_anastomosis_between_the_external_carotid_artery_and_vertebrobasilar_artery_via_the_hypoglossal_canal:_a_case_report_and_review_of_literature_ DB - PRIME DP - Unbound Medicine ER -