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    Comparison of conventional MR arthrography and 3D volumetric MR arthrography in detection of cartilage defects accompanying glenoid labrum pathologies
    (Springer, 2024) Gokce, Ayse; Guclu, Derya; Unlu, Elif Nisa; Kazoglu, Ibrahim; Arican, Mehmet; Ogul, Hayri
    ObjectivesIn this study, we aimed to compare conventional and T1-weighted volumetric magnetic resonance arthrography (MRA) in the diagnosis and grading of glenoid cartilage defects that accompany labral pathologies.Materials and methodsA total of 79 patients who were prediagnosed with labrum pathologies based on shoulder magnetic resonance imaging (MRI) had MRA and CTA between December 2021 and May 2022. CTA was regarded as reference standard. CTA images were examined by a radiologist experienced in musculoskeletal radiology, and MRA images were examined by two radiologists independently to determine presence, grade, and localization of any glenoid cartilage defect, if present. Sensitivity, specificity, and accuracy were calculated separately for conventional and T1-weighted volumetric MRA. In addition, at the last stage, two observers examined all MRAs together, and the presence of a cartilage defect was decided by consensus, and the overall sensitivity, specificity, and accuracy were calculated.ResultsCartilage defect was detected on CTAs of 48 (60.75%) cases of among 79 patients with labrum pathology. The sensitivity, specificity, and accuracy of conventional MRA for two examiners were 17-19%, 100-100%, and 49-51%, respectively, while those values were 67-65%, 92-97%, and 84-77%, respectively, for T1-weighted volumetric MRA. Inter-examiner agreement was excellent for diagnosis of cartilage defects on all MRAs. The overall sensitivity, specificity, and accuracy for detection of glenoid cartilage lesions by MRA were 69%, 97%, and 80%, respectively.ConclusionT1-weighted volumetric MRA seems to demonstrate cartilage defects accompanied with labrum pathologies accurately with high sensitivity, specificity, and excellent inter-examiner agreement.
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    Saccular Aneurysm of External Jugular Vein Presenting as a Fluctuating Mass in Neck
    (Sage Publications Inc, 2023) Gokce, Ayse; Gozgec, Elif; Ogul, Hayri
    [No abstract available]
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    Unusual Anatomic Variation: Intradural Conjugation of the Hypoplastic Left ICA and the Enlarged Accessory Meningeal Artery
    (Elsevier Science Inc, 2023) Gokce, Ayse; Ogul, Hayri
    The precise definition of the accessory meningeal artery was not available until 1961. It can originate from the maxillary artery or middle meningeal artery and supplies the meatus and membranous portion of the auditory tube, the lateral pharyngeal muscle, and the medial pterygoid muscle; Laterally, it supplies the lateral pterygoid muscle, the extracranial part of the mandibular nerve, the pterygoid venous plexus, and the sphenoid periosteum. Here, we present a 70-year-old male patient who applied to the neurosurgery clinic with complaints of chronic headaches and dizziness. Magnetic resonance angiography and computed tomography angiography showed hypoplasic appearance of the left internal carotid artery and an enlarged accessory meningeal artery variant merging with its ophthalmic segment.