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https://hdl.handle.net/11499/30128
Title: | Emissary veins prevalence and evaluation of the relationship between dural venous sinus anatomic variations with posterior fossa emissary veins: MR study | Authors: | Gülmez Çakmak, Pınar Ufuk, Furkan Yağcı, Ahmet Baki Sağtaş, Ergin Arslan, Muhammet |
Keywords: | Cerebral veins Cranial fossa Magnetic resonance Mastoid adult article brain vein female gender human image analysis interrater reliability magnetic resonance venography major clinical study male mastoid posterior fossa preoperative evaluation prevalence radiologist retrospective study transverse sinus vein diameter visibility adolescent aged anatomical variation anatomy and histology cranial sinus diagnostic imaging magnetic resonance angiography middle aged procedures reproducibility three dimensional imaging vascularization very elderly contrast medium Adolescent Adult Aged Aged, 80 and over Anatomic Variation Cerebral Veins Contrast Media Cranial Fossa, Posterior Cranial Sinuses Female Humans Imaging, Three-Dimensional Magnetic Resonance Angiography Male Middle Aged Prevalence Reproducibility of Results Retrospective Studies |
Publisher: | Springer-Verlag Italia s.r.l. | Abstract: | Purpose: The aim of this study was to find the prevalence of emissary veins and to compare the visibility of these emissary veins with the anatomic variations of the dural venous sinuses detected in magnetic resonance venography (MRV). Materials and methods: All MR images of two hundred twenty patients were evaluated retrospectively. Posterior cranial fossa emissary veins diameter measurements were performed in the axial plane. The anatomic variations of the venous sinuses in MRVs of all patients were recorded. Accordingly, the presence of the emissary veins was compared with the dural venous sinus anatomic variations. p < 0.05 was considered statistically significant. An inter-observer reliability analysis was performed. Results: The prevalence of emissary veins in MRI was found in the right mastoid emissary vein (MEV) 82.7% and left MEV 81.4%. Occipital emissary vein (OEV) was present in 63 patients (28.6%) for the first radiologist (R1), and it was present in 61 patients (27.7%) for the second radiologist (R2) (K = 0.978). A statistically significant correlation was detected between the diameter of the left MEV and gender (p < 0.05) for both radiologists. There was a statistically significant difference between the left MEV and OEV and transverse sinus anatomic variations. Conclusion: MR imaging is a noninvasive and irradiating imaging method for detecting posterior fossa major emissary veins, and we recommend using MR imaging for preoperative evaluation of posterior fossa major emissary veins and related dural venous sinuses. © 2019, Italian Society of Medical Radiology. | URI: | https://hdl.handle.net/11499/30128 https://doi.org/10.1007/s11547-019-01010-2 |
ISSN: | 0033-8362 |
Appears in Collections: | PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection Tıp Fakültesi Koleksiyonu WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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