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Öğe Chondrosarcoma of the nasal septum(Int Rhinologic Soc, 2000) Meric, F; Osma, U; Cüreoglu, S; Topçu, I; Aslan, AChondrosarcoma of the nasal septum is a rather uncommon tumour. Therefore, only limited numbers of cases have been described in the literature. This paper reveals one more case observed at the ORL department of Dicle University. In the present case, by using a transnasal and transpalatal approach, total resection of the tumour was performed in conjunction with postoperative radiotherapy.Öğe Congenital cholesteatoma of the mastoid region(Headley Brothers Ltd, 2000) Cüreoglu, S; Osma, Ü; Oktay, MF; Nazaroglu, H; Meric, F; Topçu, ICongenital cholesteatoma may arise in the petrous apex, mastoid, middle ear, or external auditory canal. The least common site being the mastoid process. We present one case of primary mastoid cholesteatoma confirmed by clinical examination, surgical findings and radiological evaluation.Öğe The effect of benzalkonium chloride on rabbit nasal mucosa in vivo(Springer-Verlag, 2002) Cüreoglu, S; Akkus, M; Osma, Ü; Yaldiz, M; Oktay, F; Can, B; Güven, CIn this study we investigated the histopathological changes of nasal mucosa after the use of topical benzalkonium-chloride solution. In the study, 28 male New Zealand white rabbits were used. The animals were divided into two groups. In the first group, 50 mul of 0.001% benzalkonium-chloride solution was sprayed into the right nostril and 50 mul of 0.9% saline into the left twice daily for 14 days. In the second group, the same solutions were applied twice daily for 28 days. All of the biopsies from each nasal cavity were processed for electron microscopy. In the nostrils treated with 0.001% benzalkonium chloride, there were areas with obvious squamous cell metaplasia. Some cells showed broken cristae of the mitochondria. Degenerative changes in the supportive and olfactory cells, deformation of nuclei and the increase of heterochromatin were observed. The present investigation has shown that the application of topical benzalkonium chloride does induce degenerative morphologic changes in the nasal mucosa in rabbits in vivo.Öğe Evaluation of brainstem auditory evoked response audiometry findings in children with tuberculous meningitis at admission(Elsevier Sci Ltd, 2002) Topcu, I; Cüreoglu, S; Yaramis, A; Tekin, M; Oktay, F; Osma, U; Meric, FObjective: To determine the characteristics of Brainstem auditory evoked response (BAER) findings in children with tuberculous meningitis (TBM) at admission. Methods: Twenty-seven children with highly probable TBM were admitted to the University Hospital. The control group was 23 healthy, age and sex matched subjects. Brainstem response audiometry recording was performed in all patients and controls. Ninety dB sound pressure level (SPL) was used for comparisons. The main BAER measurements analysed were the I-III, III-V, I-V interpeak intervals. In statistical analysis, t-test for independent groups were performed. At the same time, for interpeak intervals, values exceeding 2.5 standard deviations (S.D.) above the means of the normal controls were considered abnormal. To the result of BAER findings, HL was classified as mild (until 40 dBHL), severe (until 80 dBHL) and total HL (no hearing was detected). Results: The latencies of interpeak intervals (except III-V latency at 10 per s) have significantly prolonged in comparison with controls. Mild HL was detected in four cars. In eight ears, any wave form could not be obtained at 110 dBSPL. Abnormal BAER result was seen in 13 of 54 ears (24%) at the click of 10 per s and five ears (12%) at the click of 50 per s. Conclusion: Abnormal BAER result was seen in 24% of patients with TBM before treatment. Depending on these findings, it can be inferred that hearing impairments must be lower than those values which was detected by BAER during the acute phase of TBM, since the abnormal BAER may be reversible following the illness, returning to normal with recovery. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.Öğe Normal configuration of the anterior commissure of the glottis on magnetic resonance imaging(Springer Verlag, 2000) Cüreoglu, S; Osma, Ü; Ozates, MThe purpose of this study was to evaluate the normal width of the anterior commissure of the glottis by measuring its dimensions in patients who had no laryngeal disease on magnetic resonance imaging (MRI), but had unrelated cervical pathology. In all, 27 patients were studied. Axial images through the arytenoid commissure at the level of the vocalis muscle and/or vocal process of the arytenoid cartilage were magnified on MRI. The anteroposterior width of the anterior commissure was measured by using an electronic ruler having 1-mm marks. The average width of the anterior commissure was 1.59 +/- 0.6 mm, varying from a minimum width of 1 mm to a maximum width of 3 mm. The width was less than or equal to 2 mm in 25 patients (92.5%). Our results showed that all of the patients studied had measurable mucosal thicknesses at the level of anterior commissure greater than or equal to 1.0 mm.Öğe The results of septal button insertion in the management of nasal septal perforation(Headley Brothers Ltd, 1999) Osma, Ü; Cüreoglu, S; Akbulut, N; Meric, F; Topcu, INasal septal perforation may present with various symptoms. Perforations may be surgically closed or managed by obturation, inserting a prosthesis. We used a silicon septal button in the management of nasal septal perforation. In the follow-up period, although the insertion of the nasal septal button alleviated epistaxis, whistling during inspiration, and nasal obstruction, it could not control the production of crusting around the margin of the button.Öğe Schwannoma of the larynx(Springer-Verlag, 2000) Meriç, F; Arslan, A; Cüreoglu, S; Nazaroglu, HNeurogenous tumours of the larynx are extremely uncommon. We present a rare case of schwannoma of the larynx. Clinical findings are presented together with computed tomography (CT) and magnetic resonance images. The tumour was located in the right aryepiglottic fold of the larynx. CT showed a well defined and hypodense mass extending from the right aryepiglottic fold to the right vocal cord. The patient underwent an excision of the mass through a lateral thyrotomy and the tumour was completely removed. The diagnosis and treatment of this tumour are discussed.
