Evidence map›Paper›PMID 40389755›Full record

ArticleSurgical and radiologic anatomy : SRA2025

Duplicate origin of the middle cerebral artery: a rare variant.

George Triantafyllou, Panagiotis Papadopoulos-Manolarakis, Panagiotis Papanagiotou, George Tsakotos, Maria Piagkou

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In one paragraph

Article in Surgical and radiologic anatomy : SRA, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

George TriantafyllouDepartment of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, 75 Mikras Asias str, Goudi, Athens, 11527, Greece.ORCID http://orcid.org/0009-0001-0122-2436
Panagiotis Papadopoulos-ManolarakisDepartment of Neurosurgery, General Hospital of Nikaia-Piraeus, Athens, Greece.ORCID http://orcid.org/0009-0008-5662-8354
Panagiotis PapanagiotouDepartment of Radiology, School of Medicine, Aretaieion University Hospital, National and Kapodistrian University of Athens, Athens, Greece.ORCID http://orcid.org/0000-0001-8426-2718
George TsakotosDepartment of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, 75 Mikras Asias str, Goudi, Athens, 11527, Greece.ORCID http://orcid.org/0000-0001-8559-8969
Maria PiagkouDepartment of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, 75 Mikras Asias str, Goudi, Athens, 11527, Greece. mapian@med.uoa.gr.ORCID http://orcid.org/0000-0002-4831-8005

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The cerebral arterial circle exhibits considerable morphological variability. Variations in the middle cerebral artery (MCA) are infrequent occurrences that can be readily identified via imaging techniques. The current imaging report describes a rare variant of the MCA consisting of a duplicate origin, which was incidentally discovered in a 42-year-old female patient through computed tomography angiography. The duplicated origin of the MCA was identified on the left side of the cerebral arterial circle, forming an arterial ring with the temporopolar branch of the MCA originating from one of its limbs. The remainder of the arterial circle demonstrated no variants. It is essential to distinguish variants of the MCA without conflating them. The present variant is accurately characterized as a 'duplicate origin", it should not be confused with fenestrations, and has a reported prevalence of 0.1%. Comprehending such arterial variations is vital prior to undertaking endovascular or neurosurgical procedures in the region.

Indexed as

Anatomic VariationMiddle Cerebral ArteryAdultCerebral AngiographyComputed Tomography AngiographyFemaleHumansIncidental FindingsAnatomyDuplicate originMiddle cerebral arteryTemporopolar branchVariation

Identifiers

PMID40389755
PMCPMC12089186

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.