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Öğe The 2D and 3D MR arthrographic description of aponeurotic expansion of supraspinatus tendon and biceps tendon anomaly in a large patient cohort(Springer, 2024) Guclu, Derya; Ogul, Hayri; Unlu, Elif Nisa; Tuncer, Kutsi; Kose, Mehmet; Kantarci, Mecit; Eren, SuatObjectiveTo describe the aponeurotic expansion of supraspinatus tendon (AEST) and biceps tendon abnormalities with magnetic resonance (MR) arthrographic examinations and determine their prevalence in patients, we performed a high-resolution 3D direct MR arthrography.Materials and methodsThis was a retrospective study of 700 shoulder MR arthrograms performed between May 2010 and January 2022. Extension in the coronal plane of an AEST on 3D fat-suppressed T1-weighted volumetric interpolated breath-hold examination (VIBE) MR arthrography was identified. Based on its morphology, the AEST on MR arthrography was divided into four subtypes: absence of tendinous thickness in the bicipital synovial surface or intra-synovial tendon-like structure in the bicipital groove, thin and flat tendinous thickness & GE;1 mm of bicipital synovium, oval tendinous structure less than half the size of the adjacent biceps tendon, oval tendinous structure more than half the size of the adjacent biceps tendon, and oval tendinous structure larger than the adjacent biceps tendon. Based on its origin and termination, aponeurotic expansions can be divided into three subtypes: proximal pulley zone, middle humeral neck zone, and distal myotendinous junction zone. Association with the biceps synovium of the AEST was categorized into three types: intra-synovial, extra-synovial, and trans-synovial.ResultsAn AEST in the anterior shoulder joint in 3D VIBE MR arthrography images was identified in 63 (9%) of 700 arthrograms. The most common arthrographic type of AEST was type 1-this was detected in 39 of 63 patients. The most common course type of the AEST was anteriorly midline. The most common distal insertion type was at the tenosynovial sheath of the long head of the biceps tendon (LHBT) in the middle humeral neck zone-this was detected in 31 of 63 patients. There were only 10 MR arthrograms biceps tendon abnormality, including 4 biceps agenesis and 6 split ruptures.ConclusionA 2D and high-resolution 3D MR arthrography can demonstrate the anatomical detail around the bicipital groove and facilitate the differentiation between a biceps tendon anomaly and an AEST. On high-resolution 3D MR arthrographic images, the AEST tends to be in the anterior midline and anteromedial portions of the biceps synovium with intra-synovial, extra-synovial, and trans-synovial courses and its three different insertion types.Öğe The 2D and 3D MR arthrographic description of aponeurotic expansion of supraspinatus tendon and biceps tendon anomaly in a large patient cohort (Jul, 10.1007/s00256-023-04409-1, 2023)(Springer, 2024) Guclu, Derya; Ogul, Hayri; Unlu, Elif Nisa; Tuncer, Kutsi; Kose, Mehmet; Kantarci, Mecit; Eren, Suat[No abstract available]Öğe Atypical articulation of the cervical rib and first rib(Springer India, 2024) Senocak, Eyup; Tuncer, Kutsi; Aydin, Yener; Ogul, HayriThe cervical rib is an additional rib arising from the transverse process of the seventh cervical vertebra. This rib may terminate free in soft tissue or may be attached to the first rib. The cervical rib is a congenital anomaly that occurs in less than 1% of the general population and sometimes causes severe symptoms of thoracic outlet syndrome. Hereby, we report a 13-year-old boy with an atypical articulation between the left seventh cervical rib and the left first thoracic rib.Öğe Bilateral Simultaneous Primary Patellar Giant Cell Tumors(Springer Heidelberg, 2023) Aydın, Fahri; Oğul, Hayri; Tuncer, Kutsi; Kantarcı, MecitGiant cell tumor is a relatively frequent benign bone tumor; that is usually exhibited in the epiphyseo-metaphyseal region of long bones. Computed tomography and magnetic resonance imaging may show cortical thinning and endosteal scalloping of the bone cortex in giant cell tumors. In radiologic imaging, the giant cell tumor of the bone is a heterogeneous mass because it contains many components, such as solitary mass, cystic areas, and bleeding. The occurrence of giant cell bone tumor in the patella is a rare condition and in this letter, we have reported the unusual coexistence of giant cell tumor on the bilateral patella at the same time. To the best of our knowledge, there is no reported case in the literature of bilateral patellar giant cell tumors.Öğe A case of double sternal foramina presenting with chronic chest pain(Elsevier France-Editions Scientifiques Medicales Elsevier, 2022) Tuncer, Kutsi; Aydın, Yener; Oğul, Hayri[Bastract Not Available]Öğe Coexistence of Right Cervical Rib and Left Rudimentary 1st Thoracic Rib(Springer India, 2024) Tuncer, Kutsi; Ulas, Ali Bilal; Aydin, Yener; Ogul, Hayri; Eroglu, AtillaRib anomalies are rare congenital anomalies that do not usually cause additional symptoms, can be seen together with some other developmental defects, and whose frequency varies according to ethnicity and age in the society. Congenital anomalies of the ribs include short rib, pseudoarthrosis of the first rib, intrathoracic rib, pelvic rib, cervical rib, forked rib, rib fusion, and rib bridging. In this study, the coexistence of the right cervical rib and the left rudimentary 1st thoracic rib was presented in a 56-year-old female case.Öğe Detection of the glenoid bare spot by non-arthrographic MR imaging, conventional MR arthrography, and 3D high-resolution T1-weighted VIBE MR arthrography: comparison with CT arthrography(Springer, 2023) Özel, Mehmet Ali; Oğul, Hayri; Köksal, Ali; Köse, Mehmet; Tuncer, Kutsi; Eren, Suat; Kantarcı, MecitObjectivesTo determine the diagnostic accuracy of non-arthrographic MR imaging, conventional MR arthrography, and 3D T1-weighted volumetric interpolated breath-hold examination (VIBE) MR arthrography sequences as compared with a CT arthrography in the diagnosis of glenoid bare spot.MethodsA retrospective study of 216 patients who underwent non-arthrographic MR imaging, conventional MR arthrography, VIBE MRI arthrography, and CT arthrogram between January 2011 and March 2022 was conducted. The diagnostic accuracy of non-arthrographic MR imaging, direct MR arthrography, and VIBE MRI arthrography in the detection of glenoid bare spot was compared with that of CT arthrography. All studies were reviewed by 2 MSK radiologists. Interobserver agreement for MR imaging and MR arthrographic findings was calculated.ResultsSixteen of 216 patients were excluded. Twenty-three of 200 shoulders had glenoid bare spot on CT arthrographic images. The glenoid bare spot was detected in 11 (47.8%) and 7 (30.4%) patients on conventional non-arthrographic MR images and in 18 (78.3%) and 16 (69.6%) patients on conventional MR arthrograms by observers 1 and 2, respectively. Both observers separately described the bare spot in 22 of 23 patients (95.7%) on 3D volumetric MR arthrograms. Interobserver variabilities were fair agreement for conventional non-arthrographic MR imaging (kappa = 0.35, p < 0.05), moderate agreement for conventional MR arthrogram (kappa = 0.50, p < 0.05), and near-perfect agreement for 3D volumetric MR arthrogram reading (kappa = 0.87, p < 0.05).ConclusionsA 3D high-resolution T1-weighted VIBE MR arthrography sequence may yield diagnostic performance that is comparable with that of CT arthrography in the diagnosis of glenoid bare spot.Öğe Spontaneous stairlike fracture of sternum in multiple myeloma(Elsevier Masson s.r.l., 2023) Tuncer, Kutsi; Kose, M.; Oğul, Hayri[No abstract available]Öğe Unusual cause of peroneal tendinopathy; Impingement of the peroneus brevis tendon between the giant peroneal tubercle and lateral malleolus(Elsevier Masson s.r.l., 2023) Taş, N.; Tuncer, Kutsi; Oğul, Hayri[No abstract available]Öğe Vertebral involvement of Erdheim-Chester disease: an unusual mimic of vertebral metastasis(Ma Healthcare Ltd, 2023) Ogul, Hayri; Guzel, Yunus; Tuncer, Kutsi; Cankaya, Bahar; Kantarci, Mecit[No abstract available]
