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Öğe Acute hemorrhagic encephalitis in a pregnant woman with coronavirus disease-2019(Sociedade Brasileira de Medicina Tropical, 2022) Tekin, Rojbin Ceylan; Gökhaner, Yurdagül Tolu; Tekin, RecepA 32-year-old pregnant woman with a 12-day history of fever and cough was admitted to the emergency department for confusion and severe headache at 24 weeks of gestation. She reported a worsening condition for 5 days with headache, confusion, and dyspnea. Neurological examination showed dysarthria and mild hemihypoesthesia. A polymerase chain reaction test from the nasopharyngeal swab confirmed the diagnosis of coronavirus disease (COVID-19).Öğe Aspergillus encephalitis with microabscesses in an immunocompetent patient(Sociedade Brasileira de Medicina Tropical, 2023) Tekin, Recep; Hattapoğlu, Salih; Tekin, Rojbin CeylanA 28-year-old man presented to the emergency department with a 5-week history of severe headache, dizziness, and weakness in the right arm. Neurological examination revealed 3/5 strength in the right arm. Brain magnetic resonance imaging (MRI) of the brain showed a large hypointense lesion with thick peripheral contrast enhancement in the left periventricular area. The solid components appeared hyperintense after contrast enhancement, and microabscesses were observed in the basal ganglia, subcortical white matter, and left anterior thalamic areaÖğe Cardiac hydatid cyst case recovered with medical treatment(Aves Yayincilik, 2011) Tekin, Recep; Kara, Ali Fuad; Tekin, Rojbin Ceylan; Cimen, Derya[Abstract Not Available]Öğe Cystic Tuberculosis of the Humerus(Soc Brasileira Medicina Tropical, 2022) Tekin, Rojbin Ceylan; Ozkul, Emin; Tekin, Recep[Abstract Not Available]Öğe Diameters of the common bile duct in adults and postcholecystectomy patients: A study with 64-slice CT(Elsevier Ireland Ltd, 2012) Senturk, Senem; Miroglu, Tugba Cezlan; Bilici, Aslan; Gumus, Hatice; Tekin, Rojbin Ceylan; Ekici, Faysal; Tekbas, GuvenThis study aims to collect data by multidetector computed tomography (MDCT) on the diameter of the normal common bile duct (CBD) and the diameter of CBD after cholecystectomy. In this retrospective study, CBD measurements were performed on axial oblique images, perpendicular to the long axis of the distal CBD. The mean diameter of the normal CBD was measured in 604 patients without cholecystectomy. The patients were divided into 6 groups according to their age. Analysis of variance (ANOVA) was used to compare data obtained from the six age groups. The mean diameter of the CBD of 46 patients who had cholecystectomy was calculated. The results were compared with age matched control group by Student's t test. The largest diameter of CBD ranged from 1.8 to 11.8 mm. The mean of the largest diameter of 604 subjects was 4.77 +/- 1.81. The diameter of the CBD significantly increased with age. Mean largest CBD diameters of postcholecystectomy subjects (7.28 +/- 2.37) were significantly greater than age matched control group. In conclusion the diameter of CBD shows a considerable increase with age. The largest diameter of the CBD is up to 6 mm in most of the subjects. An upper limit of 8 mm appears reasonable after the age of 50; and an upper limit of 10 mm seems appropriate for cholescystectomized subjects. (C) 2010 Elsevier Ireland Ltd. All rights reserved.Öğe Evulation of prolidase enzyme, and galectin levels as a marker for fibrosis in patients with chronic hepatitis B(Verduci Editore s.r.l, 2022) Mermutluoğlu, Çiğdem; Tekin, Recep; Tekin, Rojbin Ceylan; Tekin, Salih; Erkan, Revşa Evin Canpolat; Deveci, Özcan; Aydoğdu, Gülay; Çelen, Mustafa Kemal; Dayan, SaimOBJECTIVE: The fibrosis can be detected using non-invasive methods including prolidase activity, proline levels and galectin-3 (GAL-3) detection in the serum. The aim of this study was to investigate the liver fibrosis through non-invasive methods in chronic hepatitis B patients. PATIENTS AND METHODS: This prospective case control study includes 56 patients with Chronic Active Hepatitis B (CAHB), 57 patients with Inactive Hepatitis B (IHB), and 60 healthy matched control subjects. The first group included the CAHB [hepatitis B surface antigen (HBsAg): positive; HBV DNA >2,000 IU/mL; normal or high alanine aminotransferase (ALT) value] undergo a liver biopsy, while the second group included the IHB (HBsAg: positive; HBV DNA: negative; normal ALT value). The third group comprised the healthy controls. Serum prolidase enzyme activities (SPEA), proline and galectin-3 levels were measured for each group. RESULTS: Patients with CAHB had significantly higher SPEA levels (1,004.3±186.8 IU/L) than did the controls (196.5±306 IU/L) (p<0.001). Significantly higher serum GAL-3 levels were found in the CHB group compared with HBV carrier and the control groups (27.4±32.2 ng/ mL, 6.5±13.4 ng/mL, 3.1±5.7 ng/mL, respectively, p<0.001). The relationship between serum prolidase activity, hidroxiprolyne and fibrosis (p<0.05). There were no significant differences in ALT levels between inactive HBV carriers and the control groups (p>0.05). CONCLUSIONS: We suppose that hidroxiprolyne levels and prolidase enzyme activity might be an indicator as a marker for fibrosis in CAHB and the evaluation of response to treatment.Öğe Giant hydatid cysts of the lung and liver(Soc Brasileira Mediciana Tropical Univ Brasilia, Nucleo Mediciana Tropical e Nutricao, 2020) Tekin, Recep; Tekin, Rojbin Ceylan; Avcı, AlperA 26-year-old girl from a region endemic for hydatid disease was admitted with a 3-month history of progressive dyspnea and abdominal pain. Physical examination of the abdomen showed tenderness in the right upper quadrant. Eosinophilia was detected in a peripheral blood sample, and serum IgG against Echinococcus granulosus was positive (titer 1/160) using the immunofluorescence assay test. A thoraco-abdominal contrast enhanced computed tomography showed one cyst (15 × 14 cm)Öğe Hydatid cyst in the wrist(Soc Brasileira Medicina Tropical, Univ Brasilia, Nucleo Medicina Tropical a Nutricao, 2021) Tekin, Rojbin Ceylan; Özkul, Emin; Tekin, RecepA 41-year-old female presented with a 3-year history of swelling in the right wrist associated with pain and numbness involving the fingers. Physical examination of her wrist revealed swelling and mildly painful movement with minimal limitation. The patient was living in a region endemic for hydatid disease.Öğe Hydatid cysts in a patient with multiple organ involvement(Soc Brasileira Medicina Tropical, 2016) Tekin, Recep; Onat, Serdar; Tekin, Rojbin Ceylan[Abstract Not Available]Öğe Hydatid cysts in muscles: clinical manifestations, diagnosis, and management of this atypical presentation(Soc Brasileira Medicina Tropical, 2015) Tekin, Recep; Avci, Alper; Tekin, Rojbin Ceylan; Gem, Mehmet; Cevik, RemziIntroduction: Hydatid cysts are rarely detected in muscle tissue (0.7-0.9%), even in endemic countries. The aim of this study was to present information regarding the clinical manifestations, diagnosis, and management of muscle echinococcosis. Methods: Twenty-two patients with hydatid cysts in the muscle were followed from January 2006 through December 2014. Results: Twenty-four sites of muscle involvement were observed in the 22 patients. Fifteen (68%) of our patients were women, while seven (32%) were men. The mean age was 28.1 +/- 15.4 (6-61) years. The most frequent locations were the thigh (27.2%) and the paravertebral region (13.6%). Most patients reported a painless slow-growing mass with normal overlying skin. Most (90.2%) cases were treated by surgical excision and fine-needle aspiration. Conclusions: Primary muscle hydatid cyst should be considered in the differential diagnosis in cystic masses of the muscular system without pain and localized enlargement of soft tissue, especially in endemic areas. Hydatid cyst should be investigated using serological tests and imaging modalities. If possible, total surgical excision of hydatid cyst in the muscle should be performed.Öğe Images in Clinical Tropical Medicine Ruptured Pulmonary Hydatid Cyst Complicated by COVID-19(Amer Soc Trop Med & Hygiene, 2022) Tekin, Recep; Onat, Serdar; Tekin, Rojbin Ceylan[Abstract Not Available]Öğe MDCT demonstration of a rare complication of lymphoma: Spontaneous gastrosplenic fistula(2009) Şentürk, Senem; Bilici, Aslan; Tekin, Rojbin CeylanGastrosplenic fistula resulting from a gastric or splenic lesion is a rare entity. The causes of a fistulous tract between stomach and spleen include gastric adenocarcinoma, Crohn's disease, benign gastric ulcer, trauma and gastric or splenic lymphoma. We present ultrasound and multidetector computed tomography findings of a patient with spontaneous gastrosplenic fistula secondary to splenic diffuse large cell lymphoma.Öğe Non-invasive evaluation of vertebral artery blood flow in cervical spondylosis with and without vertigo and association with degenerative changes(Springer London Ltd, 2010) Cevik, Remzi; Bilici, Aslan; Nas, Kemal; Demircan, Zeynep; Tekin, Rojbin CeylanCervical spondylosis is a common disease that results from degenerative changes of the cervical spine and vertigo may occur in this process. The aim of the present study was to assess the blood flow measurements of the vertebral artery (VA) using color Doppler ultrasonography (CDUS) in patients who have cervical spondylosis with and without vertigo. The study population included 101 patients with vertigo and spondylosis, 66 patients with spondylosis without vertigo, and 62 healthy controls. A bilateral decrease in the VA blood flow velocities were measured in patients with cervical spondylosis. A negative correlation was found between the stage of cervical degenerative changes and the flow velocities in patients with vertigo, while this relationship was not found in patients without vertigo. The CDUS evaluation of the pretransverse and transverse segments of VAs demonstrated significantly reduced flow velocities in patients with spondylosis. The degenerative changes in the cervical spine seem to be related to these velocity changes in the subgroup of patients who are also affected with vertigo. The pretransverse segment of the VA provides valuable measurements as well as transverse segment of the VA, and it can be used as an appropriate segment for CDUS examination in cervical spondylosis and associated vertigo.Öğe Spontaneous rupture of muscular hydatid cyst(Soc Brasileira Medicina Tropical, 2023) Tekin, Recep; Ozkul, Emin; Tekin, Rojbin Ceylan[Abstract Not Available]
