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Type 2 persistent primitive olfactory artery associated with bilateral ophthalmic arteries arising from the middle meningeal arteries diagnosed by magnetic resonance angiography

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Abstract

Persistent primitive olfactory artery (PPOA) is a relatively rare variation of the proximal anterior cerebral artery (ACA). Traditionally, there are two types: Type 1 is a common type, which generally follows an anteroinferior course and which takes a hairpin turn before continuing to the A2 segment of the ACA. Type 2 is an extremely rare variation that continues to the anterior ethmoidal artery without a hairpin turn. Since Type 2 PPOAs are small in caliber, previously reported cases were found during anatomical dissection or were detected by catheter angiography. We herein report a case of Type 2 PPOA that was diagnosed by partial-maximum-intensity projection images of magnetic resonance angiography. This patient also had bilateral ophthalmic arteries arising from the middle meningeal artery. These two variations may be related to each other.

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(Modified from Reference [9])

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Authors and Affiliations

  1. Department of Radiology, Saitama Sekishinkai Hospital, 2-37-20 Irumagawa Sayama, Saitama, 350-1305, Japan

    Akira Uchino

  2. Department of Diagnostic Radiology, Saitama Medical University International Medical Center, Hidaka, Japan

    Akira Uchino & Yasutaka Baba

Authors
  1. Akira Uchino
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  2. Yasutaka Baba
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AU carried out the study design and drafted the manuscript. All the authors reviewed the manuscript critically, and have read and approved the final manuscript.

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Correspondence to Akira Uchino.

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Uchino, A., Baba, Y. Type 2 persistent primitive olfactory artery associated with bilateral ophthalmic arteries arising from the middle meningeal arteries diagnosed by magnetic resonance angiography. Surg Radiol Anat 43, 1947–1950 (2021). https://doi.org/10.1007/s00276-021-02765-y

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  • DOI: https://doi.org/10.1007/s00276-021-02765-y

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