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Eight topographic SCA–TN patterns were identified; contact was common overall but symptoms were uncommon, with medial and superior configurations showing the strongest association with shorter distance and higher contact rates. Findings support incorporating geometry and nerve alterations into preoperative assessment rather than relying on contact 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pathology.",{"name":70,"@type":61,"acceptedAnswer":71},"Which configurations were most associated with clinically relevant contact?",{"text":72,"@type":64},"Medial and superior configurations were linked to shorter artery–nerve distances and significantly higher contact rates, with some cases also showing ipsilateral facial numbness.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},406810,1790789707,{"code":4,"msg":82,"data":83},"success",[84,88,92,96,101,106,110,115,120,123,127],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & 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of\u003Cbr>Radiology |\n| --- | --- | --- | --- |\n\nSubmit a Manuscript: [https://www.f6publishing.com](https://www.f6publishing.com) World J Radiol 2025 December 28; 17(12): 116453  \nDOI: 10.4329/wjr.v17.i12.116453 ISSN 1949-8470 (online)  \nORIGINAL ARTICLE  \nRetrospective Study  \nMagnetic resonance imaging-based classification of trigeminal nerve-superior cerebellar artery relationships  \nGeorge Triantafyllou, Panagiotis Papadopoulos-Manolarakis, Nikolaos-Achilleas Arkoudis, Ornella MoschovakiZeiger, Georgios Velonakis, Maria Piagkou  \nSpecialty type: Radiology, nuclear medicine and medical imaging  \nProvenance and peer review:  \nInvited article; Externally peer reviewed.  \nPeer-review model: Single blind  \nPeer-review report’s classification Scientific Quality: Grade A  \nNovelty: Grade A  \nCreativity or Innovation: Grade A  \nScientific Significance: Grade A  \nP-Reviewer: Doi K, MD, Chief, Director, Japan  \nReceived: November 12, 2025  \nRevised: November 25, 2025  \nAccepted: December 10, 2025  \nPublished online: December 28, 2025  \nProcessing time: 44 Days and 21.3 Hours  \nGeorge Triantafyllou, Panagiotis Papadopoulos-Manolarakis, Maria Piagkou, Department of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, Athens 11527, Attikí, Greece  \nPanagiotis Papadopoulos-Manolarakis, Department of Neurosurgery, General Hospital of Nikaia-Piraeus, Athens 18454, Attikí, Greece  \nNikolaos-Achilleas Arkoudis, Georgios Velonakis, Research Unit of Radiology and Medical Imaging, National and Kapodistrian University of Athens, Athens 11528, Attikí, Greece  \nNikolaos-Achilleas Arkoudis, Ornella Moschovaki-Zeiger, Georgios Velonakis, Second Department of Radiology, General University Hospital “Attikon”, National and Kapodistrian University of Athens, Athens 12462, Attikí, Greece  \nCorresponding author: Maria Piagkou, DDS, MD, PhD, Professor, Department of Anatomy, School of Medicine, Faculty of Health Sciences, National and Kapodistrian University of Athens, 75 Mikras Asias Street, Athens 11527, Attikí, [Greece.](Greece. mapian@med.uoa.gr)[ mapian@med.uoa.gr](Greece. mapian@med.uoa.gr)  \nAbstract  \nBACKGROUND  \nThe trigeminal nerve (TN) is frequently implicated in neurovascular conflicts, most commonly with the superior cerebellar artery (SCA), its predominant arterial counterpart in the cerebellopontine angle.  \nAIM  \nTo examine the relationship between the SCA and TN utilizing high-resolution magnetic resonance imaging and evaluated whether particular anatomical configurations predispose to clinically significant contact.  \nMETHODS  \nMagnetic resonance imaging scans from 80 patients (160 sides) were retrospectively analyzed, excluding cases with pathological processes affecting the TN. Using multiplanar reconstruction, the TN root was identified and its spatial relationship with the SCA was evaluated.  \nRESULTS  \nEight distinct topographic patterns were identified. The SCA most commonly  \n WJR  [https://www.wjgnet.com](https://www.wjgnet.com) 1 December 28, 2025  Volume 17  Issue 12   \nTriantafyllou G et al. Neurovascular relationship classification  \ncoursed superior (30.6%), lateral (18.8%), or superolateral (17.5%) to the TN. Medial configurations, although less frequent, were associated with the shortest artery-nerve distance (mean 1.85 ± 1.28 mm) and significantly higher contact rates (P \u003C 0.001) . Overall, SCA-TN contact was observed in 14.4% of sides, but only 20% of these patients reported ipsilateral facial numbness. Variations in SCA origin (basilar artery, posterior cerebral artery, or common origin) and duplication did not significantly influence the artery-nerve distance.  \nCONCLUSION  \nAlthough SCA-TN contact is relatively frequent, only particular medial and superior configurations seem to predispose individuals to symptomatic compression. These observations are consistent with cadaveric and surgical evidence highlighting the significance of root entry","cbCaisk3CyaXItYW","https://ap.wps.com/l/cbCaisk3CyaXItYW","pdf",3710433,11,"English","# Abstract\n## Background\n## Aim\n## Methods\n## Results\n## Conclusion\n# Introduction\n# Key Words\n# Core Tip","[{\"question\":\"What was the study’s main objective regarding the SCA and TN?\",\"answer\":\"To examine the spatial relationship between the SCA and TN using high-resolution MRI and determine whether specific anatomical configurations predispose to clinically significant contact.\"},{\"question\":\"How were the SCA–TN relationships assessed in the methods?\",\"answer\":\"MRI scans from 80 patients (160 sides) were retrospectively analyzed, identifying the TN root and evaluating its spatial relationship with the SCA using multiplanar reconstruction while excluding cases with TN-affecting pathology.\"},{\"question\":\"Which configurations were most associated with clinically relevant contact?\",\"answer\":\"Medial and superior configurations were linked to shorter artery–nerve distances and significantly higher contact rates, with some cases also showing ipsilateral facial numbness.\"}]","Magnetic resonance imaging-based classification of trigeminal nerve-superior cerebellar artery relationships | PDF",1790568017,28]