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Biomedical subjects

Utku Aydil

Publications and source records attributed to Utku Aydil.

4 recordsLinked to original sources
PubMed2007

Hyoid bone insertion tendinitis: clinicopathologic correlation.

Hyoid bone insertion tendinitis is often not taken into consideration in clinical practice and neglected in the differential diagnosis while evaluating patients with chronic neck pain. One of the main important reasons why physicians do not bear this entity in mind is that it has not been well described histopathologically. Two patients, who had been diagnosed and treated surgically for hyoid bone insertion tendinitis, were presented in this study. Microscopically, degenerative changes in the striated muscle tissue, which are characterized by myocyte necrosis, atrophy along with fibrosis and calcification in some foci, were observed. These findings provide evidence for the clinical picture of hyoid bone insertion tendinitis.

Adult↗
PubMed2005

Immediate repair of the tympanic membrane to prevent persistent perforation after intentional removal of long-lasting tubes.

OBJECTIVE: Our purpose was to evaluate efficiency of immediate repair of the tympanic membrane perforation after intentional removal of the long-lasting tubes. METHODS: This study was done in 36 ears of 27 patients who had either Goode-T or Paparella-II silicone tube insertion due to chronic OME or ROM and tube removal. Only the ears in which tube removal was performed due to no longer need for middle ear ventilation were included to the study. After removal of the tube, the perforation edges were refreshed and Steri-Strip (3M) patch was adhered on the perforation site. Otoscopic, tympanometric and audiologic data were reported. RESULTS: Mean duration of the tube persistence was 49.58+/-11.94 months. It was found that there were two subgroups in the study group: those under regular follow-up (20 ears), and the ears which were out of regular follow-up (16 ears). Mean tube persistence times were 34.10 and 52.11 months in these subgroups, respectively (chi2-test, p=0.056). In six ears (16.67%), persistent perforation (PP) was found. PP rate (PPR) was higher in group-B (25%) than in group-A (10%) (chi2-test, p>0.1). The rest perforation was anteriorly marginal in five of six PP (83.33%). The PPR in the ears in which rest perforation was anteriorly marginal was 35.71% (5/14) while it was 4.54% (1/22) in the ears with central rest perforation (chi2-test, p<0.02). CONCLUSIONS: Even immediate repair of the perforation after removal of the long-lasting tubes resulted in a high PPR. The data in this study documented that this high PPR was associated with type and localisation of rest perforation and tube persistence time. Anteriorly, marginal perforations had about eight times higher risk of PP and longer tube persistence caused higher anterior marginal perforations after tube removal.

Acoustic Impedance Tests↗
PubMed2005

Evaluation of the results of endoscope-assisted acoustic neuroma surgery through posterior fossa approach.

The objective of this study was to evaluate the results of endoscope-assisted acoustic neuroma surgery in posterior fossa approach. Between 1996 and 2002, 60 consecutive patients with acoustic neuroma were operated via the retrosigmoid suboccipital approach. Standard 4-mm sinus endoscopes at different angles were used during the surgeries either for inspection or tumor endoscopic dissection. Clinical parameters and treatment outcome were evaluated retrospectively. Tumor sizes were small, medium and large in 46.6, 45 and 8.3% of the patients, respectively. The hearing preservation rate, which did not correlate with tumor size (p > 0.05), was 24.4%. The need for facial reanimation surgery, which was needed in 5% of patients, was significantly higher in the large tumors than in the small and medium tumors (p < 0.001). Cerebrospinal fluid fistula rate, which was not related to tumor size (p > 0.05), was 13.3%. Tumor recurrence or residual tumor was not encountered at all. In conclusion, endoscopes give accurate information about the relationship between the tumor and the adjacent structures and help control the fundus of the internal auditory canal to ensure complete tumor removal. It is also helpful in visually verifying the continuity of the facial and cochlear nerves. The use of endoscopes does not appear to increase the hearing preservation rate, but is very helpful in complete tumor removal in the posterior fossa approach.

Adult↗