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DESTEK, SABAHATTİN

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SABAHATTİN
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DESTEK
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Now showing 1 - 5 of 5
  • PublicationOpen Access
    Pituitary Adenoma and Hyperprolactinemia Accompanied by Idiopathic Granulomatous Mastitis.
    (2017-01-01T00:00:00Z) Destek, SABAHATTİN; GUL, VO; AHIOGLU, S; SERIN, KR; DESTEK, SABAHATTİN
  • PublicationOpen Access
    Brunner-s Gland Hyperplasias and Hamartomas in Association with Helicobacter pylori
    (2019-01-01T00:00:00Z) DESTEK, SABAHATTİN; Gul, Vahit Onur; DESTEK, SABAHATTİN
    Background. The proliferative lesions of the Brunner-s glands (BGs) are hyperplasia and hamartomas, and they are usually asymptomatic and very rarely diagnosed. The aetiology of these lesions is not yet clear. The aim of this study is to evaluate the clinical presentations of patients with BG hyperplasia and hamartomas and to assess the pathological features of these lesions in association with Helicobacter pylori (H. pylori). Methods. Our retrospective study included patients who underwent upper gastrointestinal system endoscopy between 2010 and 2015. The hospital records of 18 patients diagnosed with hyperplasia or hamartoma of BG were reviewed for the clinical and pathological findings. Data from patients with BG lesion were compared with 37 patients who had nonspecific duodenitis as the control group. Results. Female/male ratio in our study sample was 1/1. The age range was between 16 and 85 years with a mean age of 48.61. BG hyperplasia and hamartomas were found in 72.22 and 27.78% of the patients, respectively. The rate of H. pylori in gastric mucosa was 43.2% in the control group and 66.7% in the BG lesion group. In the BG lesion group, the rate of H. pylori was higher. H. pylori was identified in 60% of BG hamartomas and in 69.2% of hyperplastic BGs. Conclusion. Our study demonstrated that H. pylori may play an important role in the development of BG hyperplasia and hamartomas in association with chronic gastritis and duodenitis. This is probably due to chronic irritation.
  • PublicationOpen Access
    S100A4 May Be a Good Prognostic Marker and a Therapeutic Target for Colon Cancer
    (2018-01-01T00:00:00Z) DESTEK, SABAHATTİN; Gul, Vahit Onur; DESTEK, SABAHATTİN
    Background. Globally, the colorectal cancers rank the third in terms of cancer incidence and rank the fourth in cancer-associated deaths. S100A4, an important member of the S100 protein family, serves to promote tumor progression and metastasis. By conducting this study, we aim to examine the role of S100A4 in the prognosis of colon cancer and to demonstrate its prognostic significance. Methods. Tissue samples of colon cancer from 148 patients who underwent colon resection due to colon cancer were analyzed by immunohistochemical staining to determine the protein expression levels of S100A4. The protein expression levels of S100A4 in tumor tissue werematched with the clinicopathologic factors including patient survival. Results. Cytoplasmic expression of S100A4 protein was demonstrated in the tumor tissue of 132 patients (89.2%) out of a total of 148 study patients. Statistically, the expression levels of the cytoplasmic S100A4 protein correlated significantly with the TNM stages and patient survival. The distribution of the S100A4 protein staining in the tumor tissue was associated with the age groups, tumor localization, TNMstaging, and patient survival with statistical significance. The levels of S100A4 protein expressionwere found to be an independent prognostic factor for TNM staging and poor survival. Conclusion. Expression of the S100A4 protein in colon cancers may be an indicator of tumor progression and lymph node metastasis and may be useful for predicting the overall survival of the patients with colon cancer. In patients with colon cancer, it may be used as an indicator of poor prognosis.
  • PublicationOpen Access
    Analysis of Appendiceal Neoplasms on 3544 Appendectomy Specimens for Acute Appendicitis: Retrospective Cohort Study of a Single Institution
    (2018-06-27) Destek, Sebahattin; Bektasoglu, HÜSEYİN KAZIM; Unver, NURCAN; Aydogan, CEYHUN; Timocin, GİZEM; KUNDUZ, ENVER; BEKTAŞOĞLU, HÜSEYİN KAZIM; ÜNVER, NURCAN; AYDOĞAN, CEYHUN; TİMOÇİN, GİZEM; DESTEK, SABAHATTİN
    BACKGROUND Appendiceal neoplasms are rare and generally determined in appendectomy specimens for acute appendicitis. Depending on a tumor's histopathology and size, appendectomy or right hemicolectomy are the surgical treatment options. Adenocarcinomas, mucinous neoplasms, goblet cell carcinoids and neuroendocrine tumors are the types of the primary appendiceal neoplasm histopathology. In this study, we aimed to determine the incidence of appendiceal neoplasms in an acute appendicitis cohort. Also, histopathological distributions, demographic data, preoperative radiological diagnosis, and intraoperative findings were revealed for analysis, retrospectively. MATERIAL AND METHODS Between October 2011 and September 2017, 3554 appendectomies were performed for acute appendicitis in Bezmialem University Hospital, Istanbul Turkey. The medical records of these consecutive 3554 patients were evaluated retrospectively. After the histopathological analysis of the appendectomy specimens, a total of 28 patients were detected as having appendiceal neoplasm including appendiceal adenocarcinoma, low grade mucinous neoplasia, and appendiceal neuroendocrine tumors. RESULTS Appendiceal neoplasms were determined in 28 out of 3554 acute appendicitis patients with an incidence of 0.78%. According to the histopathological types, 3 of the cases (10.7%) were appendiceal adenocarcinoma, 8 of the cases (28.5%) were low grade mucinous neoplasia, and 17 of the cases (60.8%) were neuroendocrine tumors. The overall incidence of the appendiceal neuroendocrine tumors was 0.48%. CONCLUSIONS The information obtained from our study suggests that pathological examination of the specimen may not be necessary if there is no doubt according to preoperative radiological diagnosis and/or intraoperative findings of the surgeon.
  • PublicationOpen Access
    Rare Type Cranial Postauricular Pilonidal Sinus: A Case Report and Brief Review of Literature.
    (2017-01-01T00:00:00Z) Destek, SABAHATTİN; GUL, VO; AHIOGLU, S; DESTEK, SABAHATTİN
    A pilonidal sinus is a chronic inflammatory process, the etiology of which is still not fully elucidated. It frequently presents at the sacrococcygeal region (typical) and rarely at extrasacrococcygeal (atypical) locations, including the interdigital, axillary, inguinal, and umbilical regions, as well as the neck, face, and scalp. A 46-year-old man presented with a thirty-year history of a slowly growing nodule on the postauricular area of the scalp. The lesion was excised and diagnosed as a pilonidal sinus based on the clinical and histological findings. The purpose of this review is to report the unusual occurrence of a pilonidal sinus on the scalp and to review the literature regarding this particular location of occurrence.