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VURUŞKAN, HAKAN

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VURUŞKAN

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HAKAN

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Now showing 1 - 10 of 29
  • Publication
    Angiomyofibroblastoma-like tumor of the scrotum: A case report and review of literature
    (De Gruyter Poland Sp Zoo, 2012-01-01) AYTAÇ VURUŞKAN, BERNA; YALÇINKAYA, ÜLVİYE; Yalçinkaya, Ulviye; Vuruşkan, Hakan; VURUŞKAN, HAKAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Patoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Üroloji Anabilim Dalı.; AAH-8924-2021; AAH-9746-2021
    Angiomyofibroblastoma-like tumor is a rare mesenchymal tumor of men. It commonly occurs during the fifth to eighth decades of life and mainly involves the inguinoscrotal region. It is derived from perivascular stem cells and has capacity of lipoid and myofibroblastic differentiation. Histopathologically this tumor in the male genitalia mimics female angiomyofibroblastoma but there are morphological and immunohistochemical differences between these lesions. We report a case of an angiomyofibroblastoma- like tumor that arose in the scrotal region in a 40-year-old man.
  • Publication
    Investigation of VHL gene associated with miR-223 in clear cell renal cell carcinoma
    (Springer, 2021-11-26) Ünal, Ufuk; Çeçener, Gülşah; Ünlü, Havva Tezcan; Vuruşkan, Berna Aytaç; Erdem, Ecem Efendi; Egeli, Ünal; Nazlıoğlu, Hülya Öztürk; Kaygısız, Onur; Tunca, Berrin; Vuruşkan, Hakan; Ünal, Ufuk; ÇEÇENER, GÜLŞAH; Ünlü, Havva Tezcan; AYTAÇ VURUŞKAN, BERNA; Erdem, Ecem Efendi; EGELİ, ÜNAL; ÖZTÜRK NAZLIOĞLU, HÜLYA; KAYGISIZ, ONUR; TUNCA, BERRİN; VURUŞKAN, HAKAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Tıbbi Biyoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Tıbbi Patoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Üroloji Anabilim Dalı.; 0000-0003-4913-3616; 0000-0002-3820-424X; 0000-0002-0910-4258; 0000-0001-7904-883X; 0000-0002-9790-7295; 0000-0002-1619-6680; AAH-1420-2021; L-9439-2019; GYU-0252-2022; ABC-1357-2020; AAP-9988-2020; GYU-0252-2022; EEJ-1452-2022; ESY-2704-2022; FLN-9596-2022; ABI-6078-2020; EFH-9523-2022
    Background Clear cell type renal cell carcinoma (ccRCC) is the most common renal cell carcinoma (RCC). In this study, we examined the expressions of VHL and miR-223 in ccRCC patients' tissues to investigate the possible role in the development of ccRCC.Methods and results This study collected five expression profiles (GSE36139, GSE3, GSE73731, GSE40435, and GSE26032) from Gene Omnibus Data. Expressions of VHL and miR-223 in paraffinized tumor and normal tissues of 100 Turkish patients' ccRCC tissues were determined by bioinformatic data mining and real-time quantitative polymerase chain reaction (qRT-PCR). The VHL gene was subjected to mutational analysis by DNA sequencing, and pVHL was analyzed using western blotting. Our study's t-test and Pearson correlation analysis showed that VHL gene expression in tumoral tissues with a - 0.39-fold decrease was not significantly lower than normal tissues (p = 0.441), and a 0.97-fold increase miR-223 (p = 0.045) was determined by real-time PCR. Also, as a result of DNA sequence analysis performed in the VHL gene, it was found that 26% of the patients have mutations. The mutations for (VHL):c.60C>A (p.Val20=) and (VHL):c.467delA (p.Tyr156Leu) was detected for the first time in Turkish patients.Conclusions The present study demonstrated that the differences in the expression levels of miR-223 have the potential to be biomarkers to determine the poor prognosis in ccRCC.
  • Publication
    Effect of operation timeline on frequency of surgical complication in deceased donor kidney transplantation
    (Frontiers Media SA, 2019-10-01) Ersoy, Alparslan; Düger, Hakan; Dizdar, Oğuzhan Sıtkı; Yıldız, Abdülmecit; Akgür, Suat; Kaygısız, Onur; Oruç, Ayşegul; Ünsal, Oktay; Coşkun, Burhan; Kordan, Yakup; Türker, Gürkan; Vuruşkan, Hakan; ERSOY, ALPARSLAN; Düger, Hakan; Dizdar, Oğuzhan Sıtkı; YILDIZ, ABDULMECİT; AKGÜR, SUAT; KAYGISIZ, ONUR; ORUÇ, AYŞEGÜL; Ünsal, Oktay; COŞKUN, BURHAN; Kordan, Yakup; TÜRKER, YUNUS GÜRKAN; VURUŞKAN, HAKAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Dahiliye Anabilim Dalı/Nefroloji Bilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Dahiliye Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Üroloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Anestezi ve Reanimasyon Anabilim Dalı.; 0000-0001-5478-3192; 0000-0002-9790-7295; 0000-0002-0342-9692; 0000-0002-8242-9921; 0000-0002-9947-848X; 0000-0002-3019-581X; AAM-9726-2020; AAH-5054-2021; AAI-6642-2021; AAH-4002-2021; IZP-9361-2023; AAH-9704-2021; BBE-2157-2022; HIG-9032-2022; EJA-1761-2022; JJY-8484-2023; AAH-9704-2021; GAF-0095-2022; EFH-9523-2022
  • Publication
    Prognostic value of estrogen receptors in patients who underwent prostatectomy for non-metastatic prostate cancer
    (Spandidos Publ Ltd, 2023-02-01) Aydın, Yavuz Mert; Şahin, Ahmet Bilgehan; Dölek, Rabia; Vuruşkan, Berna Aytaç; Ocakoğlu, Gökhan; Vuruşkan, Hakan; Yavaşçaoğlu, İsmet; Coşkun, Burhan; AYDIN, YAVUZ MERT; ŞAHİN, AHMET BİLGEHAN; DÖLEK, RABİA; AYTAÇ VURUŞKAN, BERNA; OCAKOĞLU, GÖKHAN; VURUŞKAN, HAKAN; YAVAŞCAOĞLU, İSMET; COŞKUN, BURHAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Üroloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Tıbbi Onkoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Patoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Biyoistatistik Anabilim Dalı.; 0000-0002-6287-6767; 0000-0002-7846-0870; 0000-0002-1114-6051; 0000-0002-8242-9921; AAH-9704-2021; AFP-3055-2022; HSH-9815-2023; JCO-5169-2023; AAH-5180-2021; AAM-4927-2020; EEJ-1452-2022; EFH-9523-2022; EIN-0828-2022
    Estrogen receptors in prostate cancer (PCa) are a subject of debate. The aim of the present study was to investigate whether estrogen receptor-alpha (ER alpha) and estrogen receptor-beta (ER beta) impact the biochemical recurrence (BCR) of non-metastatic PCa after surgery. Following the application of the exclusion criteria, data from 108 patients who underwent laparoscopic radical prostatectomy between January 2011 and December 2019 were retrospectively evaluated. A total of 36 patients with BCR constituted the BCR group. The control group was formed using the Propensity Score Matching (PSM) method with a 1:2 ratio, including parameters with well-studied effects on BCR. The median follow-up time was 74.3 (range, 30-127.5) months in the BCR group and 66.6 (range, 31.5-130) months in the control group. Pathology specimens from the two groups were immunohistochemically stained with ER alpha and ER beta antibodies. Logistic regression analysis and survival analysis were performed. No differences in clinicopathological characteristics were detected between the two groups. The patients with ER alpha(-)/ER beta(+) staining results had a significantly fewer BCRs than other patients (P=0.024). In the logistic regression analysis, patients with ER alpha(-)/ER beta(+) PCa also had a significantly lower risk of recurrence (P=0.048). In the survival analysis, the 5-year BCR-free survival rate of patients with ER alpha(-)/ER beta(+) PCa was higher than that of other patients (85.7 vs. 66.1%; P=0.031). Excluding the effects of well-studied risk factors for recurrence by the PSM method, the present study showed that ER alpha and ER beta have prognostic value for non-metastatic PCa. The 5-year BCR-free survival rate is significantly higher in patients whose PCa tissue has ER alpha(-)/ER beta(+) staining results.
  • Publication
    Investigation of the tissue allele distribution of the deceased kidney donors between 2007 and 2017.
    (Lippincott Williams & Wilkins, 2019-11-01) Oflaz, Rafet; Elgin, Ersin; Yıldız, Abdülmecid; Oruç, Ayşegül; Akgür, Suat; Ünsal, Oktay; Karaca, Mert; Ersoy, Sahriye; Selimoğlu, Kerem; Arslan, İlknur; Karan, Elif; Çiçek, Mehmet Çağatay; Günseren, Kadir Ömür; Güllülü, Sümmeyye; Vuruşkan, Hakan; Oflaz, Rafet; Elgin, Ersin; Yıldız, Abdülmecid; ORUÇ, AYŞEGÜL; AKGÜR, SUAT; Ünsal, Oktay; KARACA, MERT; Ersoy, Sahriye; Selimoğlu, Kerem; Arslan, İlknur; Karan, Elif; ÇİÇEK, MEHMET ÇAĞATAY; GÜNSEREN, KADİR ÖMÜR; GÜLLÜLÜ, NAZMİYE SÜMEYYE; VURUŞKAN, HAKAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Organ Nakli Merkezi.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Nefroloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/İmmünoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Üroloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Kardiyoloji Anabilim Dalı.; 0000-0002-9509-5799; 0000-0002-0342-9692; 0000-0003-3635-7282; 0000-0002-3454-8483; 0000-0002-0471-5404; 0000-0001-6711-676X; AAG-7406-2021; AAH-4002-2021; DJU-5362-2022; DXA-2790-2022; EIF-8983-2022; JIX-1144-2023; JJY-8484-2023; AAG-7406-2021; EVS-9805-2022; CDS-3299-2022; CCH-8947-2022; FDB-4488-2022; HGM-5995-2022; EFH-9523-2022; CST-9838-2022; ITO-9188-2023
  • Publication
    Multicystic dysplastic kidney: Four-year evaluation
    (Türk Patoloji Derneği, 2011-01-01) Aytaç, Berna; Şehitoğlu, İbrahim; Vuruşkan, Hakan; AYTAÇ VURUŞKAN, BERNA; Şehitoğlu, İbrahim; VURUŞKAN, HAKAN; Uludağ Üniversitesi/Tıp Fakültesi/Patoloji Anabilim Dalı; Uludağ Üniversitesi/Tıp Fakültesi/Üroloji Anabilim Dalı; AAH-9746-2021; ABF-8955-2021; EFH-9523-2022
    Objective: Multicystic dysplastic kidney is a relatively common developmental abnormality in infants and children. Additional abnormalities like vesicoureteral reflux, ureteropelvic junction obstruction, and ureterovesical junction obstruction may accompany multicystic dysplastic kidney. In this article, we reviewed the pathogenesis, diagnosis, associated urinary tract anomalies and results of management of multicystic dysplastic kidney in the light of the literature.Material and Method: We retrospectively assessed 20 children with unilateral multicystic dysplastic kidney between January 2005 and December 2009. Mean duration of follow-up was 35 +/- 8.7 months. All children with multicystic dysplastic kidney underwent nephrectomy. Patient characteristics, the pathology findings, associated urinary tract anomalies and results of management were reviewed.Results: Abdominal ultrasound, voiding cystourethrography and renal scintigraphy revealed vesicoureteral reflux in 3 (15%) children, ureteropelvic junction obstruction in 3 (15%) children, and a duplex system in the contralateral kidney in 1 (5%) child. Blood pressure values, serum urea, creatinine and urinalysis were within normal range in all children during follow-up.Conclusion: A conservative approach to children with multicystic dysplastic kidney has been advocated, but surgical removal is also another management modality on the basis of risk of hypertension, mass effect, potential for malignant change, and cost of repeated ultrasound examination.
  • Publication
    The effects of laparoscopic urologic surgery on cardiac functions: A pulse wave velocity study
    (Aves, 2020-07-01) Çiçek, Mehmet Çağatay; Kaynak, Yurdaer; Gunseren, Kadir Ömur; Kaygısız, Onur; Vuruşkan, Hakan; ÇİÇEK, MEHMET ÇAĞATAY; GÜNSEREN, KADİR ÖMÜR; KAYGISIZ, ONUR; VURUŞKAN, HAKAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Üroloji Anabilim Dalı.; 0000-0002-0471-5404; 0000-0001-8673-3093; 0000-0002-9790-7295; ABC-9924-2020; L-9439-2019; HGM-5995-2022 ; EFH-9523-2022
    Objective: The aim of this study is to evaluate the effects of laparoscopic urologic surgery on cardiac functions by the parameter pulse wave velocity (PWV), a noninvasive method.Material and methods: Between July 2012 and February 2013, a total of 47 patients were included in this prospective controlled study. Patients who have been scheduled for laparoscopic surgery (LS) (n=30) and open surgery (n=17) were enrolled in the study. Preoperative, perioperative, and postoperative cardiovascular parameters were measured by a PWV instrument, and the results were compared between laparoscopic (L) group and open (C) group.Results: In the L group, compared to preoperative values, perioperative systolic arterial pressure, diastolic arterial pressure, and mean arterial pressure increased considerably, by 2.6%, 7.9%, and 4.7%, respectively. This was in contrary to reductions in these parameters by 9.5%, 5.7%, and 10%, respectively, in the C group. For the I. group, cardiac output (CO) and cardiac index (CI) were increased in the perioperative period and decreased in the postoperative period. For the C group, there were no changes in measurements of perioperative and postoperative CO and CI. However, these changes in CO and CI were not significantly different between the L and C groups. Postoperative large artery elasticity index decreased in both groups. However, these changes did not represent significant difference between groups.Conclusion: Compared to open surgery, LS may cause increases in perioperative blood pressures. In addition, increased blood pressures may last even on the first postoperative day. These effects may be more important for patients with high cardiovascular risk.
  • Publication
    The outcomes of kidney transplantation from elder deceased donors a single center experience
    (Lippincott Williams & Wilkins, 2019-11-01) Selimoğlu, Kerem; Elgin, Ersin; Yıldız, Abdülmecit; Oruç, Ayşegül; Akgür, Suat; Ünsal, Oktay; Keskin, Sahriye; Oflaz, Rafet; Arslan, İlknur; Karan, Elif; Çiçek, Mehmet Çağatay; Günseven, Kadir Ömür; Karaca, Mert; Güllülü, N. Sümeyye; Vuruşkan, Hakan; Ersoy, Alparslan; Selimoğlu, Kerem; Elgin, Ersin; Yıldız, Abdülmecit; ORUÇ, AYŞEGÜL; AKGÜR, SUAT; Ünsal, Oktay; Keskin, Sahriye; Oflaz, Rafet; Arslan, İlknur; Karan, Elif; ÇİÇEK, MEHMET ÇAĞATAY; Günseven, Kadir Ömür; KARACA, MERT; GÜLLÜLÜ, NAZMİYE SÜMEYYE; VURUŞKAN, HAKAN; ERSOY, ALPARSLAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Organ Nakli Merkezi.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Nefroloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/İmmünoloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Üroloji Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Kardiyoloji Anabilim Dalı.; 0000-0003-3635-7282; 0000-0002-9509-5799; 0000-0002-0342-9692; 0000-0002-3454-8483; 0000-0002-0471-5404; CDS-3299-2022; DXA-2790-2022; HIG-9032-2022; AAH-4002-2021; EJA-1761-2022; JJY-8484-2023; CZH-6714-2022; DJU-5362-2022; CCH-8947-2022; FDB-4488-2022; HGM-5995-2022; CUF-3990-2022; AAG-7406-2021; CTR-6558-2022; EFH-9523-2022; AAH-5054-2021
  • Publication
    The relationship between surgical complications and graft outcomes after kidney transplantation
    (Wiley, 2019-10-01) Düger, Hakan; Ersoy, Alparslan; Dizdar, Oğuzhan Sıtkı; Yıldız, Abdulmecit; Oruç Ayşegül; Ünsal, Oktay; Akgür, Suat; Kordan, Yakup; Kaygısız, Onur; Coşkun, Burhan; Vuruskan, Hakan; Düger, Hakan; ERSOY, ALPARSLAN; Dizdar, Oğuzhan Sıtkı; YILDIZ, ABDULMECİT; ORUÇ, AYŞEGÜL; Ünsal, Oktay; AKGÜR, SUAT; Kordan, Yakup; KAYGISIZ, ONUR; COŞKUN, BURHAN; VURUŞKAN, HAKAN; Uludağ Üniversitesi/Tıp Fakültesi/Dermatoloji Bölümü; Uludağ Üniversitesi/Tıp Fakültesi/Nefroloji Bölümü; Uludağ Üniversitesi/Tıp Fakültesi/Üroloji Bölümü; 0000-0001-5478-3192; 0000-0002-0342-9692; 0000-0002-9947-848X; 0000-0002-9790-7295; 0000-0002-8242-9921; AAM-9726-2020; AAH-5054-2021; AAH-4002-2021; AAH-9704-2021; IZP-9361-2023; JCO-5169-2023; L-9439-2019; D-6213-2013; GPK-6118-2022
  • Publication
    Single center experience with laparoscopic adrenalectomy on a large clinical series: Lessons learned from 273 cases: A retrospective cohort study
    (Kuwait Medical Association, 2022-12) Çelen, Sinan; Günseren, Kadir Ömur; Vuruşkan, Hakan; Acımış, Nurhan Meydan; Kordan, Yakup; Yavaşcaoğlu, İsmet; GÜNSEREN, KADİR ÖMÜR; VURUŞKAN, HAKAN; YAVAŞCAOĞLU, İSMET; Uludağ Üniversitesi/Tıp Fakültesi/Üroloji Bölümü; ITO-9188-2023; EFH-9523-2022; EIN-0828-2022
    Objectives: We aim to evaluate the risk of laparoscopic adrenalectomy (LA) for large adrenal tumors and the risk of learning curve.Design: Single centre, retrospective studySetting: Uludag University, Bursa, TurkeySubjects: A study in a large patient population (N=273) who underwent LA between 2006 and 2017.Interventions: The patients were divided into two study groups according to tumour size as estimated by pathologic specimen maximum diameter, Group A (less than 5cm) and group B (larger than 5cm). In addition, to evaluate learning curve of LA, the patients were divided into two groups according to time interval: the first period was 2006 to 2011, and the second period 2012-2017.Main outcome measures: To evaluate the risk of learning curve and tumour sizeResults: There was no statistical difference between the two groups for per-operative and postoperative complications according to tumour size <5 or >= 5 cm, and there was statistical difference between the two groups for operation time, length of hospital stay; but no statistical difference for postoperative complications according to time interval.Conclusion: LA in large adrenal masses (5 cm or larger) is not associated with longer operative time, increased blood loss and longer hospital stay, without affecting perioperative morbidity, Hence, the size of an adrenal mass should not be the only factor in determining whether LA or not. Besides, learning curve may affect outcomes of LA.