Scopus İndeksli Yayınlar Koleksiyonu

Permanent URI for this collectionhttps://hdl.handle.net/11727/4809

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    The effect of helicobacter pylori eradication on atrophic gastritis and intestinal metaplasia : a retrospective single center research
    (2020) Suna, N.; Etik, D.; Ocal, S.; Gunduz, C.; Acikgoz, A.; Bildik, I; Gursoy, A.; Kasgoz, I; Tuleylioglu, H.; Boyacioglu, A.; 0000-0003-3719-9482; 0000-0002-4724-0728; 0000-0001-6234-7788; 33094583; ABH-4817-2020; AAJ-4707-2021; AAI-8822-2021
    Background and study aims : Gastric cancer (GC) is one of the major causes of cancer-related deaths worldwide. Helicobacter pylori (Hp) plays an important role in gastric carcinogenesis by inducing precancerous changes such as atrophic gastritis (AG) and intestinal metaplasia (IM). In our study, we aim to compare the grade of AG and IM before and after Hp eradication in patients who underwent esophagogastroduodenoscopy (EGD) in our center. Patients and methods : The data of 40.060 patients who underwent EGD for various reasons in our Endoscopy Unit between June 2011 and November 2017 were retrospectively evaluated. The grade of AG and IM before and after Hp eradication of patients meeting the study criteria were compared with each other. In addition, these findings were compared using OLGA and OLGIM staging systems. Results : A total of 175 patients, 89 (50.9%) women and 86 (49.1%) men, were included in the study. The mean age was 55 +/- 12 years. The mean time between two EGD examinations was 38 +/- 14 months. Significant improvement was observed in the grade of AG on corpus and antrum after Hp eradication (P=0.000, P=0.008). In the corpus and antrum, the grade of IM was regressed but this was not significant (P=0.80 and P=0.370 respectively). There was a decrease in OLGA stages after Hp eradication (P=0.000). There was also a reduction in the OLGIM stages, but this was not significant(P=0.341). Conclusion: Our study demonstrates that Hp eradication may reduce the risk of developing GC by providing an improvement in AG and IM which are precancerous changes in GC.
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    An unusual case of invasive cervical resorption after piezosurgery-assisted en masse retraction
    (2019) Tuncer, Niufer Irem; Koseoglu -Secgin, Cansu; Arman-Ozcirpici, Ana; 31256827
    A 16-year-old patient sought orthodontic correction for profile improvement and labially inclined maxillary incisors. She had Class II malocclusion, protrusive maxillary and mandibular incisors, and increased overjet and overbite with an American Board of Orthodontics discrepancy index value of 25. She was treated with maxillary premolar extractions and miniscrew-supported en masse retraction assisted with piezoincisions. Extraction spaces (7.5 mm per side) were closed with maximum anchorage in 10 months. Total treatment time was 23 months. Twenty-seven months after debonding, a pink spot was noted at the buccocervial region of the left central incisor. Radiographic evaluation on cone-beam computed tomographic scans revealed a severe case of invasive cervical resorption on both central incisors, around which the piezosurgical cuts had been made. Treatment proceeded with a nonintervention approach and the affected teeth were reinforced with a lingual retainer.
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    Bilateral renal leiomyoma with 5 year follow-up: Case report
    (2015) Goren, Mehmet Resit; Erbay, Gurcan; Ozer, Cevahir; Goren, Vinil; Bal, Nebil; 26664510
    Renal leiomyomas are exceptionally rare benign tumours of the kidney. Although the renal leiomyomas usually do not metastasize, the differential diagnosis between renal leiomyomas and malign lesions (leiomyosarcoma or renal cell carcinoma) cannot be done by radiological examinations, but is possible by histological examination. Surgery is the preferred treatment. After surgery, the prognosis is excellent without recurrence. Although uterine leiomyomas can be multicentric, renal leiomyomas have been single lesions. We report an incidentally detected case of bilateral renal leiomyoma in a 50-year-old woman with a 5-year follow-up. We also review the literature and discuss clinical, radiological and histological features of renal leiomyomas.