Document Detail


Persistent primitive olfactory artery: MR angiographic diagnosis.
MedLine Citation:
PMID:  21061008     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
INTRODUCTION: Persistent primitive olfactory artery (PPOA) is a relatively rare variation of the proximal anterior cerebral artery (ACA) that generally follows an extreme antero-inferior course and takes a hairpin turn. To our knowledge, incidence of PPOA has not been reported, so we researched cases in our institution records to determine incidence and investigated characteristic features of the condition on MR angiography.
METHODS: To isolate cases with PPOA, we retrospectively reviewed cranial magnetic resonance (MR) angiographic images of a total of 3,626 patients in our institution and collected similar images from cases with PPOA from our two affliated hospitals.
RESULTS: We found 14 cases with PPOA (six men and eight women); 5 patients in our institution, representing an incidence of 0.14%, and 9 cases from our group hospitals. The location was on the right in six cases, left in seven, and bilateral in one. An aneurysm was found at the hairpin turn in one patient, and in another patient, the PPOA connected with the accessory middle cerebral artery (MCA) and not the distal ACA.
CONCLUSIONS: In our institution, incidence of PPOA on MR angiography was 0.14%. We found no laterality in frequency and rare bilaterality, aneurysm at the point of the hairpin turn, and accessory MCA arising from the PPOA.
Authors:
Akira Uchino; Naoko Saito; Eito Kozawa; Waka Mizukoshi; Kaiji Inoue
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Surgical and radiologic anatomy : SRA     Volume:  33     ISSN:  1279-8517     ISO Abbreviation:  Surg Radiol Anat     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-05-04     Completed Date:  2011-07-14     Revised Date:  2012-02-13    
Medline Journal Info:
Nlm Unique ID:  8608029     Medline TA:  Surg Radiol Anat     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  197-201     Citation Subset:  IM    
Affiliation:
Department of Diagnostic Radiology, Saitama Medical University International Medical Center, Hidaka, Saitama, Japan. auchino@saitama-med.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Aged, 80 and over
Anterior Cerebral Artery / abnormalities*,  radiography
Female
Humans
Incidence
Intracranial Aneurysm / epidemiology,  etiology
Japan / epidemiology
Magnetic Resonance Angiography
Male
Middle Aged
Retrospective Studies
Comments/Corrections
Comment In:
Surg Radiol Anat. 2012 Jan;34(1):97-8   [PMID:  21901376 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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