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TOPRAK, HÜSEYİN

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HÜSEYİN
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TOPRAK
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Start date: 2012 × End date: 2019 ×

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Now showing 1 - 10 of 69
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    PublicationOpen Access
    Diagnostic value of dynamic contrast-enhanced magnetic resonance imaging in the evaluation of the biliary obstruction
    (2012-01-01) BALCI, CEM NUMAN; Bilgin, MEHMET; Toprak, HÜSEYİN; BURGAZLI, MEHMET; BILGIN, SABRİYE ŞENNUR; CHASAN, RITVAN; ERDOĞAN, ALİ; BİLGİN, MEHMET; TOPRAK, HÜSEYİN
    Purpose: In this study, our purpose was to investigate the diagnostic efficacy of the dynamic contrast-enhanced magnetic resonance imaging (MRI) method in the patients with bile duct obstruction. Materials and methods: 108 consecutive patients (53 men, 55 women, mean age; 55.77 ± 14.62, range 18-86 years) were included in this study. All the patients underwent conventional upper abdomen MRI using intravenous contrast material (Gd-DTPA) and MRCP in 1.5 Tesla MRI scanner. MRCP images were evaluated together with the T1 and T2w images, and both biliary ducts and surrounding tissues were examined for possible pathologies that may cause obstruction. Results: MRI/MRCP findings compared with final diagnoses, MRI/MRCP in the demonstration of bile duct obstruction sensitivity 96%, the specificity 100%, and accuracy 96.3%, in the detection of presence and level of obstruction, the sensitivity 96.7%, specificity 100%, and accuracy 97.2%, in the diagnosis of choledocholithiasis, the sensitivity 82.3%, specificity 96%, and accuracy 91.7%, and in the determination of the character of the stenosis, sensitivity 95.6%, specificity 91.3%, and accuracy 94.5% were found. Conclusion: The combination of dynamic contrast-enhanced MRI and MRCP techniques in patients with suspected biliary obstruction gives the detailed information about the presence of obstruction, location, and causes and is a highly specific and sensitive method.
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    PublicationOpen Access
    MRI and MR Spectroscopy Features of Heat Stroke: A Case Report
    (2018-07-01) Yilmaz, TEMEL FATİH; Aralasmak, AYŞE; Toprak, HÜSEYİN; GULER, Serhat; Tüzün, Umit; Alkan, ALPAY; YILMAZ, TEMEL FATİH; ARALAŞMAK, AYŞE; TOPRAK, HÜSEYİN; ALKAN, ALPAY
    Heat stroke is the outcome of over heat stress that results in multiorgan dysfunction with a tendency for central nervous system damage. Brain is very sensitive to hyperthermia, especially the cerebellum that has selective vulnerability to heat stroke. There is complex interaction between heat cytotoxicity, coagulation disorder, cytotoxine - mediated systemic inflammatory response causing multiorgan failure, metabolic derangement, and circulatory insufficiency. We reviewed the literature and discussed brain MRI and MR spectroscopy findings of heat stroke, detailed the pathophysiology underlying brain involvement and proposed excitotoxic injury as an alternative mechanism of brain damage in heat stroke.
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    Role of F-18-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography in diagnosis and management of pancreatic cancer; comparison with Multidetector Row Computed Tomography, Magnetic Resonance Imaging and Endoscopic Ultrasonography
    (2014-05-01) ERGUL, N.; GUNDOGAN, C.; TOZLU, M.; TOPRAK, HÜSEYİN; KADIOGLU, HÜSEYİN; Aydin, MEHMET; CERMIK, T. F.; TOPRAK, HÜSEYİN; KADIOĞLU, HÜSEYİN; AYDIN, MEHMET
    Objectives: We aimed to analyze the contribution of F-18-fluorodeoxyglucosepositron emission tomography/computed tomography (FDG PET/CT) imaging to the diagnosis and management of pancreatic cancer compared with multidetector row computed tomography (MDCT), magnetic resonance imaging (MRI) and endoscopic ultrasonography (EUS).
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    A novel AVP gene mutation in a Turkish family with neurohypophyseal diabetes insipidus
    (2016-03-01) Ilhan, MAHMUT MUZAFFER; Tiryakioglu, N. O.; KARAMAN, O.; Coskunpinar, E.; YILDIZ, R. S.; TURGUT, SEDA; Tiryakioglu, D.; TOPRAK, HÜSEYİN; TASAN, ERTUĞRUL; İLHAN, MAHMUT MUZAFFER; KARAMAN, ÖZCAN; TURGUT, SEDA; TOPRAK, HÜSEYİN; TAŞAN, ERTUĞRUL
    Purpose Familial neurohypophyseal diabetes insipidus (FNDI) is a rare, autosomal dominant, inherited disorder which is characterized by severe polydipsia and polyuria generally presenting in early childhood. In the present study, we aimed to analyze the AVP gene in a Turkish family with FNDI.
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    Simultaneous mass-forming pseudoangiomatous stromal hyperplasia of the breast, axilla, and perineum.
    (2019-11-01T00:00:00Z) Kiran, T; Peker, A; Yilmaz, TF; Yildiz, S; TOPRAK, HÜSEYİN; YILMAZ, TEMEL FATİH; KIRAN, TUĞÇE; YILDIZ, ŞEYMA
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    Evaluation of CSF flow metrics in patients with communicating hydrocephalus and idiopathic intracranial hypertension
    (2019-05-01) Yilmaz, TEMEL FATİH; Aralasmak, AYŞE; Toprak, HÜSEYİN; MEHDI, Elnur; KOCAMAN, Gulsen; Kurtcan, SERPİL; Kaya, MEHMET ONUR; Alkan, ALPAY; YILMAZ, TEMEL FATİH; ARALAŞMAK, AYŞE; TOPRAK, HÜSEYİN; KURTCAN, SERPİL; KAYA, MEHMET ONUR; ALKAN, ALPAY
    Purpose To search for CSF dynamics of idiopathic intracranial hypertension (IIH) and communicating hydrocephalus and any correlation between MRI findings, CSF metrics and CSF opening pressure in IIH.
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    Gastrointestinal Sistem Perforasyonu Olan Olgularda Bilgisayarlı Tomografi İncelemesinde Aksiyal ve Koronal Reformat Görüntülerin Tanıya Katkısı
    (2013-11-10T00:00:00Z) YILDIZ, ŞEYMA; TOPRAK, HÜSEYİN; AHMAD, ISAM CHEİCK; YETİŞ, HÜSEYİN; KADIOĞLU, HÜSEYİN; KOCAKOÇ, ERCAN; YILDIZ, ŞEYMA; TOPRAK, HÜSEYİN; KOCAKOÇ, ERCAN
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    PublicationOpen Access
    Stab injury of the thoracic aorta: computed tomography findings.
    (2013-01-01) Yildiz, S; Toprak, HÜSEYİN; SERTER, ASLI; KOCAKOÇ, ERCAN; YILDIZ, ŞEYMA; TOPRAK, HÜSEYİN
    Stab injury of the thoracic aorta is a rare condition with high mortality rate. Patients must be evaluated carefully, and the diagnosis usually should be confirmed by radiological modalities. In this case, we report a 37-year-old man presented with a penetrating stab injury to the upper back and the thoracic aorta, and the diagnostic role of computed tomography is discussed.
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    MRI of Pancreas in Patients with Chronic Pancreatitis and Healthy Volunteers: Can Pancreatic Signal Intensity and Contrast Enhancement Patterns be Valuable Predictors of Early Chronic Pancreatitis?
    (2017-01-01) Bilgin, Sabriye Sennur; Bilgin, MEHMET; Toprak, HÜSEYİN; BURGAZLI, K. Mehmet; CHASAN, Ritvan; ERDOGAN, Ali; Balci, Numan Cem; BİLGİN, MEHMET; TOPRAK, HÜSEYİN
    Background: Chronic pancreatitis is a progressive inflammatory disease of the pancreatic parenchyma and ductal structures. Typical MR imaging features of chronic pancreatitis include dilatation of the main pancreatic duct and irregularities of branch pancreatic ducts that can be evaluated with MRCP, loss of the normal high signal intensity of the pancreatic parenchyma on T1-weighted images, and decreased enhancement on dynamic contrast-enhanced sequences.
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    PublicationOpen Access
    Prenatal diagnosis of mediastinal neurenteric cyst: a case report and review of the literature
    (2018-10-01) Cay, ALİ; Aydogdu, Ibrahim; Mirapoglu, Semih Lutfu; Toprak, HÜSEYİN; ÇAY, ALI; AYDOĞDU, İBRAHİM; TOPRAK, HÜSEYİN
    Neurenteric cyst is a very rare developmental anomaly. Prenatal diagnosis of mediastinal neurenteric cysts has been reported rarely. We present a case of neurenteric cyst associated with vertebral anomalies diagnosed by prenatal ultrasonography at 31 weeks of gestation, which was treated successfully in the early neonatal period. In addition, we searched the English literature for all cases of mediastinal neurenteric cyst diagnosed in the prenatal period reported to date. We found that only 17 cases were reported previously. We reviewed the reports of these 17 patients along with our case, and we investigated the prenatal and postnatal diagnosis and treatment approaches and the factors influencing the prognosis. Fetuses with mediastinal neurenteric cysts should be monitored regularly by ultrasonography. Fetuses with no signs of hydrops are more likely to survive with proper neonatal center transfer, regular follow-up, and appropriate postnatal approach. Fetuses with hydrops findings have a high risk of fetal and neonatal death.