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- ArticleYalnız künye2020Unexpected lesion of the prepontine cistern: A colloid cyst
Kiziloglu, Alper; Sakci, Zakir; Ogul, Hayri; Kantarci, Mecit
RDL Kalıcı Kaydıİncele - ArticleYalnız künye2019Efficacy of the Rotational Traction Method in the Assessment of Glenohumeral Cartilage Surface Area in Computed Tomography Arthrography
Polat, Gökhan; Oǧul, Hayri; Yalçin, Ahmet; Tuncer, Kutsi; Kaya, Serhat; Pirimoǧlu, Berhan; Sade, Recep; Kantarci, Mecit
Objective We aimed to investigate the efficacy of the rotational traction method in expanding the joint space and enabling the assessment of an extended surface area. Methods Sixty patients who underwent computed tomography arthrography were evaluated in the study: 30 with and 30 without the help of rotational traction. The subgroups consisted of patients with adhesive capsulitis, habitual luxation, or labral tears. Areas of obscured joint surface by coalescent cartilages were calculated using computer software, and those belonging to the traction and nontraction groups along with subgroups were compared statistically. Results There was a significant difference between the traction and nontraction group regarding the contact surface area (P < 0.001 for both observers). In patients with adhesive capsulitis, the contact surface area was larger compared with the other subgroups (P = 0.002 for observer 1 and P = 0.002 for observer 2). In patients with habitual luxation, the contact surface area was smaller compared with the other subgroups (P = 0.002 for observer 1 and P = 0.001 for observer 2). Conclusions Expansion of joint distance is important for assessing the joint cartilage. The rotational traction method provides effective separation of the joint space. For this reason, rotational traction can be used effectively in patients in whom the joint cartilage is to be evaluated.
RDL Kalıcı Kaydıİncele - ArticleYalnız künye2019MR arthrographic evaluation of the association between anterolateral soft tissue impingement and osteochondral lesion of the tibiotalar joint
Ogul, Hayri; Taydas, Onur; Tuncer, Kutsi; Polat, Gokhan; Pirimoglu, Berhan; Kantarci, Mecit
Purpose: To retrospectively evaluate on magnetic resonance (MR) arthrography the relationship between joint capsule thickness and the stage of osteochondral lesions of the tibiotalar joint, as well as to evaluate the ankle joint capacity in patients with osteochondritis dissecans (OCD). Also, we demonstrate the unusual locations of osteochondral lesions of the ankle joint. Methods: MR arthrography images were analyzed by two staff radiologists in consensus. The normality of the data was analyzed by the Kolmogorov–Smirnov test. The Mann–Whitney U test was used to compare the relationship between joint capsule thickness and patient groups with OCD. Results: The anterolateral joint capsule thickness was significantly higher than the anteromedial and posterior joint capsule thickness in the OCD with loose bodies group (p = 0.049). Osteochondral defects were most commonly detected at the medial talar dome: in 29 of 37 patients (78.3%) in the OCD without loose bodies group and in 16 of 29 (55.2%) patients in the OCD with loose bodies group. The second most common localization of the osteochondral defect in the OCD with loose bodies group was the medial plafond of distal tibia [in 9 of 29 (31.1%) patients]. Conclusions: Clinical and radiological evidence of anterolateral impingement syndrome often accompanies stage 4 OCDs. OCDs of the distal tibial plafond are not rare in the ankle joint and are often associated with loose bodies.
RDL Kalıcı Kaydıİncele - ArticleYalnız künye2018Supradiaphragmatic origin of the renal artery; frequency on contrast-enhanced MR imaging
Taydas, Onur; Kantarci, Mecit; Bayraktutan, Ummugulsum; Ogul, Hayri
Purpose: The purpose of this study was to evaluate extremely rare cases of supradiaphragmatic origin of the renal artery, with magnetic resonance (MR) imaging findings. Methods: The study included 9 patients diagnosed with supra-diaphragmatic originating renal artery between 2010 and 2017. The patients were 7 females and 2 males with a mean age of 58.25 years (range, 41–71 years). MR imaging was applied to all patients. Results: In 2 patients, lumen loss was of a moderate degree, and mild in 3 patients. Renal artery stenosis was not observed in the remaining 4 patients. None of the patients had advanced luminal stenosis. The distance of the renal arteries to the diaphragmatic crus was 24 mm at the longest and 8 mm at the shortest. Congenital anomaly was found in 6 patients. Of the 9 patients, 7 had concomitant hypertension, and 2 had no history of hypertension. Conclusions: The anomaly of supradiaphragmatic origin of the renal artery is rare but may be associated with renal artery stenosis, which may then result in hypertension. The clinician should investigate renal artery origin anomalies and renal artery compression syndrome in hypertensive cases where the cause cannot be explained.
RDL Kalıcı Kaydıİncele - ArticleYalnız künye2018Gadolinium-Based Contrast Agent Extravasation Mimicking Subarachnoid Hemorrhage After Electroconvulsive Therapy
Taydas, Onur; Ogul, Hayri; Ozcan, Halil; Kantarci, Mecit
Background: Electroconvulsive therapy (ECT) is a safe method that has been applied for many years in medical treatment−resistant depression treatment. In this case report, contrast extravasation due to deterioration of the blood-brain barrier after ECT mimicking subarachnoid hemorrhage (SAH) on magnetic resonance imaging (MRI) is discussed. Case Description: A 70-year-old male patient who underwent ECT presented with sulcal hyperintensities suggesting subarachnoid hemorrhage on fluid-attenuated inversion recovery sequence of MRI obtained after ECT. However, there was no evidence to suggest SAH on nonenhanced brain computed tomography. Conclusion: It should be kept in mind that patients may have contrast extravasation due to deterioration of the blood-brain barrier after ECT, and other alternative methods should be used for the diagnosis of SAH in these patients, not MRI.
RDL Kalıcı Kaydıİncele - ArticleAçık Erişim2018Images in clinical tropical medicine multisystem involvement of hydatid disease
Taydas, Onur; Kaya, Serhat; Ogul, Hayri; Kantarci, Mecit
RDL Kalıcı Kaydıİncele - ArticleYalnız künye2018A Multicystic, Malrotated Pancreas in a Patient With Wandering Spleen
Taydas, Onur; Ogul, Hayri; Bayraktutan, Ummugulsum; Kantarci, Mecit
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