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Öğe Cerebral hydatid disease: CT and MR imaging findings(SMW supporting association, 2004) Bükte Y.; Kemanoğlu S.; Nazaroğlu H.; Özkan Ü.; Ceviz A.; Şimşek M.Objective: Cerebral hydatid disease is very rare, representing only 2% of all cerebral space occupying lesions even in the countries where the disease is endemic. The aim of this paper is to describe the characteristic features of cerebral hydatid disease in computed tomography (CT) and magnetic resonance imaging (MRI). Methods. We retrospectively reviewed the CT and MR imaging findings of 18 patients with pathologically confirmed cerebral hydatid disease over a period of 13 years (1990-2002). Results: The study group consisted of 17 cases of Echinococcus granulosus and 1 case of Echinococcus multilocularis (alveolaris). They were 12 male (66.7%), and 6 female patients (33.3%), ages ranging from 7 to 50 years with an average age of 20.3 predominant symptoms. Papilloedema was present in 14 patients (77.7%). Common CT and MR imaging findings of E. granulosus lesions were well-defined, smooth thin-walled, spherical, homogeneous cystic lesions with no contrast enhancement, no calcification, and no surrounding oedema. The lesion seen with E. multilocularis was a well-defined multiseptated mass consisting of solid and cystic components with calcification in the solid portion. Cystic lesions with surrounding hyperintensity of perifocal oedema with complete or incomplete rim enhancement were seen in two patients, and were labeled as complicated and infected cysts. Conclusion: Although cystic cerebral hydatid disease is well demonstrated hy CT and MR examinations, CT is superior in detecting calcification in the cyst, when present, MR is better in demonstrating cyst capsule, detecting multiplicity and defining the anatomic relationship of the lesion with the adjacent structures, and it is more helpful in surgical planning.Öğe Primary alignant schwannoma of the small bowel(2001) Yilmaz F.; Uzunlar A.K.; Bükte Y.; Özekinci S.; Akgün Y.[No abstract available]Öğe Spinal extradural angiolipoma(2007) Uzunlar A.K.; Bükte Y.Spinal angiolipomas are rare lesions usually found in the epidural space of the thoracic spine. About 102 cases of spinal angiolipomas have been previously reported in the literature. Angiolipomas can be radically excised with a good prognosis. We describe a spinal angiolipoma and discuss its clinico-pathological and radiological aspects.Öğe Successful treatment of Wilms' tumor with intracaval extension by preoperative chemotherapy: Report of two cases(2000) Dokucu A.I.; Öztürk H.; Söker M.; Alan S.; Bükte Y.; Özçelik C.; Zincircio?lu B.Two patients presenting with advanced Wilms' tumor extending to inferior vena cava anal right atrium, were successfully treated with chemotherapy and surgery. The first case presented with a right renal mass and intraatrial tumor extension. The original mass regressed 28 % in volume while the thrombus remained at the vena cava as it was before chemotherapy. Surgery was performed via laparotomy and sternotomy. The second case presented with bilateral Wilms' tumor and intracaval extension up to the right atrium. In this case, both renal masses and intracaval thrombus well regressed (up to 80 %) with chemotherapy. Surgical excision of the both masses and removal of intracaval thrombus were performed via laparotomy. The results obtained with preoperative chemotherapy as in these two patients mediates strongly against difficult surgery being undertaken as primary treatment for such patients.Öğe An uncommon association of cloacal malformation with Hirschsprung's Disease, congenital pouch colon and vaginal duplication(2001) Dokucu A.I.; Öztürk H.; Bükte Y.; Azal Ö.F.Cloacal malformations are characterized by a single opening that connects the urinary tract, the internal genitalia and the intestinal tract via a urogenital sinus. We describe the first reported case of a cloacal malformation consisting of congenital pouch colon associated with Hirschsprung's Disease and vaginal duplication in a 13 year-old girl. We also discussed the method of surgical treatment performed in this girl. To plan reconstruction for an individual case with cloaca, the surgeon should be acquainted with associated anomalies and a wide range of anatomy that may be present.Öğe Visceral leishmaniasis with multiple nodular lesions of the liver and spleen: CT and sonographic findings(2004) Bükte Y.; Nazaroglu H.; Mete A.; Yilmaz F.Visceral leishmaniasis is a severe disease caused by the intracellular protozoa Leishmania donovani. Diagnosis is based on examination of bone marrow or serology. The role of imaging techniques as diagnostic tools remains to be established in visceral leishmaniasis. We report multiple nodular lesions in the liver and spleen on ultrasonography and computed tomography in a patient with visceral leishmaniasis. To our knowledge, this is the first reported case of multiple nodular hepatosplenic lesions in visceral leishmaniasis.