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Öğe Analysis of 107 civilian craniocerebral gunshot wounds(Springer-Verlag, 2002) Özkan, Ü; Kemaloglu, MS; Özates, M; Aydin, MDIn this study, we present a retrospective analysis of 107 cases due to civilian craniocerebral gunshot wounds that were treated by the medical faculty of Dicle University during a period of 7 years (January 1993 to January 2000). Twenty patients died at the hospital, and the deaths were determined to result from direct effects of brain damage. Coma was the best prognostic guideline. Diffuse brain damage and ventricular injury, particularly infections, were associated with poor outcome.Öğe Castleman's disease in the porta hepatis(Springer-Verlag, 2000) Uzunlar, AK; Özates, M; Yaldiz, M; Büyükbayram, H; Özaydin, MWe report the CT, ultrasonographic, and pathologic features of a localized forms of Castleman's disease in the porta hepatis due to their unusual location. Our report suggests that the CT and the ultrasonographic features of Castleman's disease in these locations without calcifications is nonspecific.Öğe Characteristics of penetrating abdominal firearm injuries in children(Hippokrates Verlag Gmbh, 2000) Dokucu, AI; Otcu, S; Öztürk, H; Önen, A; Özer, M; Bükte, Y; Özates, MPenetrating injuries of the abdomen which occur primarily from gunshots and stabbing become increasingly prevalent in children. Our purpose is to assess the presentation, management and outcome of children with penetrating abdominal firearm injuries (PAFI) and to evaluate the value of Injury Severity Score (ISS) for predicting injury severity and eventual morbidity and mortality in children with PAFI. Between 1985 and 1997, 69 children less than or equal to 15 years of age with PAFI were hospitalized at our institution. Their hospital records were reviewed retrospectively. Of the 69 children with PAFI, 53 were boys and 16 were girls. The mean age was 9.6. The causes of PAFI were explosives (44%), gunshot (39%) and shotgun injuries (17%). The most common organ injured was the small bowel followed by colon and liver respectively. Postoperative complications were seen in 12 children. The mean value of ISS was 16.8: 41 children had an ISS value of greater than or equal to 16. The value of ISS was significantly higher in children with complication than in those without complication. The children with ISS value greater than or equal to 16 were hospitalized significantly longer than those with less than or equal to 15 of ISS. Particularly shotgun injuries were commonly associated with severe morbidity. ISS can be useful for predicting the severity of injury and the occurrence of morbidity.Öğe CT of the brain in tuberculous meningitis.: A review of 289 patients(Munksgaard Int Publ Ltd, 2000) Özates, M; Kemaloglu, S; Gürkan, F; Özkan, Ü; Hosoglu, S; Simsek, MMPurpose: In this retrospective study, CT findings of 289 patients with tuberculous meningitis (TBM) are presented and diagnostic criteria are discussed. Material and Methods. The medical records of patients who were diagnosed as having central nervous system tuberculosis were investigated. Cranial CT investigations of 289 patients with TBM were reviewed. Of these 289 patients. 214 were children and 75 adults. 157 patients were male and 132 were female. CT images were obtained with and without i.v. contrast administration. Results: CT findings were normal in 35 patients and abnormal in 254. The abnormalities were hydrocephalus (172 children, 32 adults), parenchymal enhancement (56 children, 6 adults), contrast enhancement of basal cisterns (32 children, 17 adults), cerebral infarct and focal or diffuse brain edema (29 children, 10 adults), and tuberculoma (9 children, 5 adults). Conclusion: CT is pathologic in the great majority of patients with TBM and is helpful in assessing the complications associated with the disease.Öğe Laryngopyocele(Elsevier Sci Ireland Ltd, 2000) Nazaroglu, H; Özates, M; Uyar, A; Deger, E; Simsek, MA laryngocele is an air-filled dilation of the saccule of the larynx. An infected laryngocele is called a laryngopyocele. Our experience with a case of laryngopyocele with signs on computed tomography before and after antibiotic therapy is presented since laryngopyocele is more unusual. (C) 2000 Elsevier Science Ireland Ltd. All rights reserved.Öğe Limb reconstruction with the callus distraction method after bone tumor resection(Springer, 2000) Kapukaya, A; Subasi, M; Kandiya, E; Özates, M; Yilmaz, FThe callus distraction method was applied to nine patients who were referred to us because of a bone tumor. Their mean age was 17 years and 3 months (range 7-37 years). Three were female, and 6 were male. All of the tumors were localised on the femur, and the histological diagnosis was two chondrosarcomas, one Ewing's sarcoma, three osteosarcomas, one giant cell bone tumor, and the remainder-benign fibrous histiocytoma. The mean length of the defect after resection of the tumor was 11.5 (range 8-20) cm. Preoperative and postoperative chemotherapy were applied to patients with osteosarcoma and Ewing's sarcoma. The patients were followed up for 22 (range 15-30) months on average. The mean period of use of the external fixator was 12.5 (range 8-18) months. One patient suffered a tumour recurrence and died after 20 months. Complications included one deep infection, one skin invagination, and one premature consolidation and bone bridge in the defect area. All of the complications were successfully treated. Functional evaluation gave excellent results in four patients, good in three, and fair in two. This method can be used without any need for massive autogenous bone graft in repairing defects of any length and diameter produced after excision of the lesion and thus can be considered as an alternative to other techniques.Öğe MR angiography in diagnosis of aberrant right subclavian artery associated with common carotid trunk(Springer-Verlag, 2000) Özates, M; Nazaroglu, H; Uyar, A[Abstract Not Available]Öğe Multilocular cerebral hydatid disease with extracalvarial extension(Amer Roentgen Ray Soc, 1999) Nazaroglu, H; Özates, M; Bilici, A; Simsek, M[Abstract Not Available]Öğe Sexual dimorphism and handedness in the human corpus callosum based on magnetic resonance imaging(Springer France, 2005) Tuncer, MC; Hatipoglu, ES; Özates, MThe corpus callosum (CC) is a major anatomical and functional commissure linking the two cerebral hemispheres. With MR imaging in the sagittal plane, the corpus callosum can be depicted in great detail. Midsagittal magnetic resonance images of 80 normal individuals were analyzed to assess whether or not the morphology of the corpus callosum and its parts are related to sex and handedness. The subjects were 40 males (20 right-handers and 20 left-handers) and 40 females (20 right-handers and 20 left-handers). The midsagittal area of the corpus callosum was divided into seven sub-areas using Witelson's method. The most striking morphological changes concerned left-handers, who had larger areas of the anterior body, posterior body and isthmus than right-handers. In addition, right-handed males had larger rostrums and isthmuses than right-handed females. These significantly increased areas were related to handedness in right-handed males. However, left-handed males had larger anterior and posterior bodies than right-handed males. In contrast, there was no significant difference between left-handers and right-handers in females. The areas of the rostrum and posterior body of the corpus callosum increased significantly with sex in males. Moreover, there were no significant age-related changes in the total corpus callosum and sub-areas of the corpus callosum. In conclusion, these anatomical changes in corpus callosum morphology require taking the sexual definition and dominant handedness into consideration.Öğe Spinal subdural tuberculous abscess(Stockton Press, 2000) Özates, M; Özkan, Ü; Kemaloglu, S; Hosoglu, S; Sari, IObjectives: Spinal subdural abscess Is rare and only 45 cases have been described to date. In this report, we present an additional spinal subdural tuberculous abscess. Method: Tuberculous meningitis was diagnosed with clinical and laboratory findings in a 45-year-old man. A spinal subdural abscess was demonstrated using MRI. Presence of the abscess was revealed by surgical intervention. The diagnosis was confirmed by pathological examination. Results: The patient had been treated for tuberculous meningitis 2 years previously. The disease recurred when anti-tuberculous therapy was prematurely discontinued, During the second treatment, the patient also underwent a ventriculo-peritoneal shunt operation for hydrocephalus. Dizziness and weakness of both legs developed after the postoperative period. Spinal MRI showed a. spinal subdural abscess as a iso-intense mass with spinal cord in the T1 and T2 weighted images, ring like enhancement and compression on the spinal cord at T3-T4 level. The patient underwent surgery and the abscess was drained. Conclusion: Tuberculosis may cause a spinal subdural abscess and although it is a rare disorder, when encountered MRI is very useful in the diagnosis.Öğe Timing of shunt surgery in childhood tuberculous meningitis with hydrocephalus(Karger, 2002) Kemaloglu, S; Özkan, Ü; Bukte, Y; Ceviz, A; Özates, MHydrocephalus is a common complication of tuberculous meningitis (TBM) in children. The aims of this study are to review our experience of hydrocephalus in childhood TBM and to evaluate the effect of the timing of ventriculoperitoneal shunting (VPS) on the final outcome. In this study, 156 patients with TBM and hydrocephalus were reviewed retrospectively between 1990 and 2000. Patients' ages ranged from 6 months to 15 years, with a mean age of 4.1 years. There were 85 boys, and the male-to-female ratio was 1.19:1.0. Sixty-two percent of the children were younger than 6 years old. VPS was performed 2 days after the diagnosis in 100 patients, and in the remaining 56 patients, 3 weeks after the diagnosis. The average follow-up period was 8.5 months. Good recovery or minor sequelae was seen in 82 patients (52.6%), and 51 died (12.3%). The timing of the VPS procedure and cerebral complications had an effect on the final outcome. Early VPS gave a better outcome in mild and moderate hydrocephalus (p = 0.040). This study has shown that early surgical procedure for mild/moderate hydrocephalus has a positive effect on the morbidity and mortality of hydrocephalus in childhood TBM (p = 0.014, p = 0.040, respectively). In severe hydrocephalus, there was a tendency for early shunting to have a positive effect on morbidity, although this did not reach statistical significance. Copyright (C) 2002 S. Karger AG, Basel.
