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Biomedical subjects

Sefa Dereköy

Publications and source records attributed to Sefa Dereköy.

4 recordsLinked to original sources

Coexistence of choanal atresia and Tessier's facial cleft number 2.

Choanal atresia is one of the most commonly observed congenital abnormalities of the nose. This defect is frequently associated with other congenital anomalies. One of the anomalies, which is rarely encountered is a Tessier's facial cleft 2. In this report, we present a 6-year-old girl who was brought to our department with complaints of nasal obstruction and chronic nasal discharge. On examination, a scar was seen on the left ala of her nose due to the former repair of a congenital defect. We found hypoplastic nasal cavities and bilateral choanal atresia demonstrated by rigid and flexible endoscopy. A CT scan supported these findings. This coexistence of bilateral choanal atresia with a number 2 facial cleft is an addition to a formerly proposed classification of laterofacial clefts. We think that this classification is better for describing the extent and origin of these complex lesions.

Child↗

Unilateral aplasia of the submandibular gland.

The congenital absence of major salivary glands is an extremely rare disorder. In this case, we report a 32-year-old woman who came to us with right submandibular gland aplasia, which was detected incidentally. The literature on this rare occurrence is reviewed and the significance of the patient is discussed.

Adult↗

The effects of tonsillectomy and adenoidectomy on pulmonary arterial pressure in children.

PURPOSE: It is well known that hypertrophic tonsils and adenoids may cause upper-airway obstruction. The aim of this study is to determine the mean pulmonary arterial pressure (mPAP) in children with hypertrophic tonsils and adenoids and to clarify whether tonsillectomy and adenoidectomy (T&A) has any effect on mean pulmonary arterial pressure of these children. MATERIALS AND METHODS: Fifty-two randomly selected children (36 male, 16 female) aged between 4 and 11 (mean 7.7+/-2.5) a with a diagnosis of upper-airway obstruction resulting from hypertrophied tonsils and adenoids were included in our study. Thirty-three children were assigned as controls with similar age and sex distribution with the study groups. Mean pulmonary arterial pressure was measured by using Doppler echocardiography preoperatively and mean 5.4+/-2.9 months postoperatively in all subjects. RESULTS: When the mean pulmonary arterial pressure values of study and control group compared preoperatively, the mean pulmonary arterial pressure levels of the children in the study group were significantly higher than the mean pulmonary arterial pressure levels of the children in the control group (P<.05) (study group mean PAP=23.13+/-7.68, control group mean PAP=16.11+/-7.24) (Levene's test, P<.05). When the preoperative and postoperative results were compared, it was found that there was a statistically significant decrease in mean pulmonary arterial pressures in these 52 children (preoperative mean PAP=23.13+/-7.68, postoperative mean PAP=17.00+/-6.99) (paired sample t test, P<.05). Twenty-seven of the 52 subjects in the study group were pulmonary hypertensive preoperatively. mPAPs of 18 of these children decreased to normal range yielding 9 subjects, and this was also found ststistically significant (McNemar test, P<.001). CONCLUSION: This study showed that obstructive adenoid and tonsillar hypertrophy causes higher mPAP values in children and revealed that T&A is an effective therapeutic measure in such patients.

Adenoidectomy↗

[Nasolabial cyst: two cases].

Nasolabial cysts are developmental swellings originating from the epithelial remnants of the nasolacrimal ductus. In this report we present two female patients (age 44 and 54 years) with nasolabial cysts. In both cases the leading complaints arose from cosmetic appearance. Surgical excision by sublabial approach was performed. Histopathological diagnoses were in agreement with the clinical diagnoses. The patients had an uneventful postoperative period and no recurrences were seen during a follow-up period of 12 months.

Adult↗