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search.filters.applied.f.language: search.filters.language.turSubject: search.filters.subject.Magnetic resonance imaging

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    Imaging findings of spondylodiscitis
    (2016) Alkan, Ozlem; Altinkaya, Naime
    Spondylodiscitis is an infection of the intervertebral disc and adjacent vertebral bodies. Magnetic resonance imaging is the method of choice for the spondylodiscitis. The characteristic findings in the spondylodiscitis are hypointense on T1-weighted (W) image and hyperintense on T2W and fat-saturation T2W images, contrast enhancement on contrast-enhanced T1W with fat saturation images in the disc space and adjacent vertebral bodies, and phlegmon or abscess of the paraspinal soft tissues and epidural space. Phlegmon shows homogenous contrast enhancement, while abscess shows peripheral ring-enhancement on contrast-enhanced T1W with fat saturation images. Differentiation of tuberculous, brucellar and pyogenic spondylodiscitis is radiological difficult. Features that also favor tuberculosis infection include multilevel disease, large paravertebral abscess, meningeal involvement and subligamentous spread. Brucellar spondylodiscitis most commonly affects the lumbar spine. Bone destruction is less severe than in tuberculous spondylodiscitis. Osteophyte formation at the anterior vertebral endplate is typical.
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    Magnetic Resonance Guided Stereotactic Biopsy of Intracranial Lesions: Analysis of 310 Cases
    (2018) Kardes, Ozgur; Durdag, Emre; Civi, Soner; Suner, Halil Ibrahim; Tufan, Kadir
    Objective: Stereotaxic biopsy is an important surgical procedure that provides definite diagnosis in brain lesions. It is possible to obtain diagnosis with minimal invasive manner in deeply located and critical localized lesions. There are large case series in the literature. We aimed to present our experience of magnetic resonance (MR) guided 310 stereotaxic biopsies in this study. Method:We retrospectively evaluated age and gender distribution, locations of the lesions, histopathologic results, and complications of 310 cases which MR guided stereotactic biopsied was performed in our clinic between 2012 and 2018. In addition, technical information was also provided. Results:Stereotactic frame application was performed with local anesthesia and surgical procedure was performed by under general anesthesia. Of 310 patients 169 were male (55%) and were 141 female (45%). Mean age was 57.28 (3-87). 184 of the lesions were hemispheric (59%), and the most common diagnosis was glioblastoma multiforme (34.19%). 8 patients were not diagnosed (2%). Complications developed in 13 cases (4%) and 2 of cases were died in the early phase due to the procedure (0.6%). Histopathological diagnostic success was 99% Conclusion:The results of our study show that the stereotactic biopsy procedure applied in the MRI guideline is reliable and feasible with low complication rate and high effectiveness in cases where definitive histopathologic results are required for treatment planning.