Tıp Fakültesi / Faculty of Medicine
Permanent URI for this collectionhttps://hdl.handle.net/11727/1403
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Item Respiratory Syncytial Virus-Related Encephalitis: Magnetic Resonance Imaging Findings with Diffusion-Weighted Study(2014) Donmez, Fuldem Yildirim; https://orcid.org/0000-0003-4502-106X; 24553789; AAE-5528-2021Item Magnetic Resonance Tagging for Diagnosis of Focal Hypertrophic Cardiomyopathy in A Child(2015) Coban, Gokcen; Yildirim, Muge Afsar; Donmez, Fuldem Yildirim; Tarhan, Nefise Cagla; Erdogan, Ilkay; Coskun, Mehmet; 0000-0001-5630-022X; 0000-0001-6887-3033; 0000-0003-4502-106X; 0000-0002-4010-2883; 0000-0001-9877-7106; 26012424; AAM-4120-2021; AAJ-2305-2021; ABB-2220-2021; AAE-5528-2021; P-7533-2014Magnetic resonance imaging has become an important diagnostic tool in the differential diagnosis of lesions for evaluation of cardiovascular disorders. In magnetic resonance tagging (MRt), tissue elements are magnetically labeled so that their positions can be tracked as a function of time. Thus, MRt evaluates heart wall motion both qualitatively and quantitatively. We present herein the case of a 12-year-old boy who had chest pain, dyspnea on effort and murmur. On cardiac computed tomography, there was focal thickening of the left ventricular posterior wall, similar to a mass. MRt indicated active displacement and deformation of the tags at the level of the hypertrophic myocardium during systole, as with normal myocardium. Thus, the tagged images supported the diagnosis of focal hypertrophic cardiomyopathy (HCM). In view of these results, MRt should be considered as a useful technique for differentiating between a mass-like focal lesion such as neoplasm and HCM.Item Re: Guillain Barr, Syndrome-related Posterior Reversible Encephalopathy Syndrome(2015) Donmez, Fuldem Yildirim; 0000-0003-4502-106X; 25877392; AAE-5528-2021Item Recurrent Childhood PRES(2015) Donmez, Fuldem Yildirim; Agildere, Ahmet Muhtesem; 0000-0003-4502-106X; 0000-0003-4223-7017; 25894844; AAE-5528-2021; AAB-5802-2020The purpose of the study was to review the recurrent posterior reversible encephalopathy syndrome (PRES) and emphasize the possibility of repeated attacks on the basis of particular clinical situations. 32 children, diagnosed with PRES were included in our study. The recurrent cases were determined; their radiological features such as involved localizations and clinical information such as presenting symptoms, underlying diseases and clinical prognosis are retrospectively assessed. Of the 32 children (8 months to 18 years old; mean age 11), four of the patients had recurrent episodes of PRES. They had different underlying diseases. One had Chediak-Higashi syndrome, one had ALL, one had chronic renal disease on hemodialysis and one was a renal transplant recipient. Three of the children recovered with no residual neurological deficits, one of them passed away due to multiorgan failure. Three of them had high blood pressures at the time of either one or both PRES, and the renal transplant recipient had also high blood levels of Tacrolimus. Recurrent PRES is encountered most commonly because of repeated increasing blood pressures due to various underlying diseases, immune system disorders or side effects of the treatments.Item Subcutaneous and Muscular Metastasis of Pancreatic Adenocarcinoma(2017) Haberal, Kemal Murat; Donmez, Fuldem Yildirim; Ayva, Ebru Sebnem; Coskun, Mehmet; 0000-0002-8211-4065; 0000-0003-4502-106X; 0000-0002-2280-8778; R-9398-2019; AAE-5528-2021; AAK-1967-2021Soft tissue metastasis from pancreatic cancer is a very rare entity. We reported a case presenting with multiorgan and soft tissue metastasis on computed tomography. Computed tomography scan showed a hypovascular mass in the pancreatic body and tail. Computed tomography guided biopsy from muscle metastases diagnosed an undifferentiated tumor. Based on clinical, radiological and pathological correlation, the diagnosis of pancreatic adenocarcinoma was established. There are few reported cases of skeletal muscle metastasis from pancreatic cancer. Immunohistochemical staining and imaging findings should be used together to determine the correct diagnosis.Item Brain Computed Tomography and Magnetic Resonance Imaging in Neurological Complications of Liver and Kidney Transplantation(2018) Rahatli, Feride Kural; Agildere, Muhtesem; Donmez, Fuldem Yildirim; Can, Ufuk; Benli, Sibel; Gulsen, Salih; Altinors, Nur; Haberal, Mehmet; 0000-0002-4226-4034; 0000-0003-4223-7017; 0000-0003-4502-106X; 0000-0001-8689-417X; 0000-0002-9975-3170; 0000-0002-7535-1804; 0000-0002-3462-7632; AAL-9808-2021; AAB-5802-2020; AAE-5528-2021; AAJ-2999-2021; AAJ-4403-2021; AAJ-5746-2021; AAJ-8097-2021Item Does Renal Function Affect Gadolinium Deposition in the Brain?(2018) Rahatli, Feride Kural; Donmez, Fuldem Yildirim; Kibaroglu, Seda; Kesim, Cagri; Haberal, Kemal Murat; Turnaoglu, Hale; Agildere, Ahmet Muhtesem; 0000-0002-4226-4034; 0000-0003-4502-106X; 0000-0002-3964-268X; 0000-0002-8964-291X; 0000-0002-8211-4065; 0000-0002-0781-0036; 0000-0003-4223-7017; 29857863; AAL-9808-2021; AAE-5528-2021; AAJ-2956-2021; AAD-5996-2021; R-9398-2019; AAK-8242-2021; AAB-5802-2020Objective: Was to compare T1 signal intensity ratios of dentate nucleus to cerebellar white matter (DN/cerebellum), dentate nucleus to pons (DN/pons) and globus pallidus to thalamus (GP/thalamus) in patients with normal renal function and in patients on chronic hemodialysis. To find out if renal function affects the deposition of gadolinium in brain after administration of linear gadolinium based contrast agents (GBCA). Methods: Seventy eight contrast enhanced brain MRIs (Magnetic Resonance Imaging) with linear GBCA of 13 patients on chronic hemodialysis and 13 patients with normal renal function retrospectively evaluated. The DN/ pons, DN/cerebellum and GP/thalamus signal intensity ratios were measured from each brain MRI on unenhanced axial T1 weighted images. Results: In hemodialysis group statistically significant increase in the signal intensity ratios of DN/pons, DN/ cerebellum and GP/thalamus were found between the first and the last brain MRIs (p = .001). The increase in the signal intensity ratios of DN/pons, DN/cerebellum and GP/thalamus between the first and the last brain MRIs in control group were not significant (p > 0.05). The signal intensity increase in DN and globus pallidus were significantly higher in hemodialysis group than control group (p < 0.05). Conclusions: Patients on hemodialysis had significantly higher DN and GP signal intensity increase compared to the patients with normal renal function. Renal function affects the rate of gadolinium deposition in the brain after administration of linear GBCA.Item Can unenhanced brain magnetic resonance imaging be used in routine follow up of meningiomas to avoid gadolinium deposition in brain?(2019) Rahatli, Feride Kural; Donmez, Fuldem Yildirim; Kesim, Cagri; Haberal, kema Murat; Turnaoglu, Hale; Agildere, Ahmet Muhtesem; 0000-0002-8211-4065; 0000-0002-8964-291X; 30343167; R-9398-2019; AAB-5802-2020; AAD-5996-2021; AAE-5528-2021Purpose: We hypothesized that unenhanced brain MRI can be used in follow up of patients with intracranial meningioma to avoid gadolinium deposition in the brain and allow measurement of meningioma dimensions from pre-contrast T2-weighted images. Methods: Dimensions of meningiomas were measured on pre-contrast T2, post-contrast T1 weighted images. Results: The sizes of meningiomas in post-contrast axial T1-weighted images were similar with that in pre-contrast axial T2-weighted images. Signal intensity increase was detected in dentate nucleus and globus pallidus (P < 0.05). Conclusion: Gadolinium deposition could be avoided in patients with meningioma by using unenhanced brain MRI for follow up scans.