Browsing by Author "Eskicorapci, Saadettin"

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An Independent Validation of 2010 Tumor-Node-Metastasis Classification for Renal Cell Carcinoma: A Multi-center Study by the Urooncology Association of Turkey Renal Cancer-Study Group
(GALENOS YAYINCILIK, 2017-01-01) Ozkan, Tayyar Alp; Eskicorapci, Saadettin; Yaycioglu, Ozgur; Akdogan, Bulent; Gogus, Cagatay; Dirim, Ayhan; Can, Cavit; Yildirim, Asif; Ozen, Haluk; Turkeri, Levent; Renal, Urooncology Assoc Turkey
Objective: The American Joint Committee on Cancer tumor-node-metastasis (TNM) classification has been updated by the 7th edition in 2010. The objective of the study was to evaluate cancer-specific survival (CSS) in patients with renal cell carcinoma (RCC) and assess the concordance of 2002 and novel 2010 TNM primary tumor classifications. Materials and Methods: A retrospective analysis of RCC registries from 25 institutions of the Urooncology Association of Turkey Renal CancerStudy Group was performed. Patients with RCC had a radical or partial nephrectomy. The database consisted of 1889 patients. Results: Median follow-up time was 25 months (interquartile range: 11.2-47.8). The 5-year CSS rate for pT1a, pT1b, pT2a, pT2b, pT3a and pT4 tumors were 97\% {[}95\% confidence interval (CI): 0.93-0.99], 94\% (95\% CI: 0.91-0.97), 88\% (95\% CI: 0.81-0.93), 77\% (95\% CI: 0.64-0.86) 74\% (95\% CI: 0.65-0.81) and 66\% (95\% CI: 0.51-0.77), respectively according to the 2010 TNM classification (p<0.001). CSS comparisons between pT1a-pT1b (p=0.022), pT1b-pT2a (p=0.030), pT3a-pT3b (p<0.001) and pT3b-pT4 (p=0.020) were statistically significant. Conversely, pT2a-pT2b (p=0.070) and pT2b-pT3a (p=0.314) were not statistically significant. Multivariable analyses revealed the pT stage in the 2010 TNM classification as an independent prognostic factor for CSS (p for trend=0.002). C-indexes for 2002 and 2010 TNM classifications were 0.8683 and 0.8706, respectively. Conclusion: Subdividing pT2 does not have a CSS advantage. Moving adrenal involvement to pT4 yielded a more accurate prognosis prediction. T stage and LNI are independent prognostic factors for CSS in RCC. Overall, the novel 2010 TNM classification is slightly improved over the former one. However, shown by C-index values, this improvement is not sufficient to state that 2010 TNM outperforms the 2002 TNM.
Can We Predict the Surgical Margin Positivity in Patients Treated with Radical Prostatectomy? A Multicenter Cohort of Turkish Association of Uro-Oncology
(GALENOS YAYINCILIK, 2015-01-01) Bolat, Deniz; Eskicorapci, Saadettin; Karabulut, Erdem; Baltaci, Sumer; Yildirim, Asif; Sozen, Sinan; Ates, Ferhat; Sekerci, Cagri Akin; Kurtulus, Fatih; Dirim, Ayhan; Muezzioglu, Talha; Can, Cavit; Bozlu, Murat; Gemalmaz, Hakan; Ekici, Sinan; Ozen, Haluk; Turkeri, Levent
Objective To analyze the parameters that predict the surgical margin positivity after radical prostatectomy for localized prostate cancer. Materials and Methods In this multicenter study, the data of 1607 consecutive patients undergoing radical prostatectomy for localized prostate cancer in 12 different clinics in Turkey between 1993-2011 were assessed. Patients who had neoadjuvant treatment were excluded. We assessed the relationship between potential predictive factors and surgical margin status after radical prostatectomy such as age, cancer characteristics, history of transurethral prostate resection, surgical experience and nerve-sparing technique by using univariate and multivariate Cox regression analyses and t test. Results The overall surgical margin positivity rate was 22.6\% (359 patients). In univariate analyses, preoperative prostate specific antigen level, clinical stage, biopsy Gleason score, percentage of tumor involvement per biopsy specimen, transurethral prostate resection history, surgical experience and nerve-sparing technique were significantly associated with positive surgical margin rate. In multivariate analyses, preoperative prostate specific antigen level (OR: 1.03, p=0.06), percentage of tumor involvement per biopsy specimen (OR: 7,14, p<0,001), surgical experience (OR: 2.35, p=0.011) and unilateral nerve-sparing technique (OR: 1.81, p=0.018) were independent predictive factors for surgical margin positivity. Conclusion Preoperative prostate specific antigen level, percentage of tumor involvement per biopsy specimen, surgical experience and nerve-sparing technique are the most important predictive factors of surgical margin positivity in patients undergoing radical prostatectomy for localized prostate cancer.
Focal Therapy for Prostate Cancer: Current Status of HIFU
(GALENOS YAYINCILIK, 2015-01-01) Ozkan, Tayyar Alp; Eskicorapci, Saadettin
First choice treatment options for Prostate Cancer (PCa) are Radical Prostatectomy (RP), brachytherapy and pelvic radiation therapy in current guidelines. The aim of this paper was to review effectiveness and oncological results of high intensity frequency ultrasound treatment (HIFU) in patients with localized PCa. HIFU technology is based on a principle of focused ultrasound (US) waves in an area-sized 3x3x11 mm with a convex ultrasound probe. HIFU ablation was first successfully used in 1995 for 29 pre-radical prostatectomy patients with unilateral tumors (T2-T2b). This treatment option mostly used in Europe in US it has not been approved yet by Food and Drug Administration (FDA) and is used only for clinical trials. HIFU is a relatively new treatment method and 10 years of mid-term results for survival were began to emerge. HIFU biopsy success rates are about 80\%. There need to be more accurate and improved results in order to define it as a new definitive treatment option for prostate cancer. Although it has low success rates, it can be used for all risk groups (low, medium, high), it can be used as a rescue treatment after unsuccessful HIFU treatment, radiotherapy and brachytherapy.
Management of Patients with Urological Cancers in Turkey during the COVID-19 Pandemic: Recommendations of Uro-oncology Association
(GALENOS YAYINCILIK, 2020-01-01) Celik, Serdar; Tinay, Ilker; Narter, Fehmi; Eskicorapci, Saadettin; Ataus, Suleyman; Turkeri, Levent; Baltaci, Sumer
Coronavirus disease-19 (COVID-19) has been declared as a pandemic by the World Health Organization. The number of cases has increased over time in correlation with the increasing number of testing worldwide. In order to use the available resources for COVID-19 treatment, urological practice has been limited only to emergency procedures and certain uro-oncological surgeries. In this report, we aim to share our recommendations for the daily uro-oncology practice in light of local circumstances in Turkey.
Prevalence of Daytime Urinary Incontinence and Related Risk Factors in Primary School Children in Turkey
(KOREAN UROLOGICAL ASSOC, 2014-01-01) Bolat, Deniz; Acar, Ismail Cenk; Zumrutbas, Ali Ersin; Eskicorapci, Saadettin; Sancak, Eyup Burak; Zencir, Mehmet; Turan, Tahir; Sinik, Zafer
Purpose: Urinary incontinence is one of the major urinary symptoms in children and adolescents and can lead to major distress for the affected children and their parents. In accordance with the definitions of the Standardization Committee of the International Children's Continence Society, daytime urinary incontinence (DUI) is uncontrollable leakage of urine during the day. The aim of this cross-sectional study was to investigate the prevalence and associated risk factors of DUI in Turkish primary school children. Materials and Methods: The questionnaire, which covered sociodemographic variables and the voiding habits of the children, was completed by the parents of 2,353 children who were attending primary school in Denizli, a developing city of Turkey. The children's voiding habits were evaluated by use of the Dysfunctional Voiding and Incontinence Symptoms Score, which is a validated questionnaire. Children with a history of neurological or urological diseases were excluded. Results: The participation rate was 91.9\% (2,164 people). The overall prevalence of DUI was 8.0\%. The incidence of DUI tended to decrease with increasing age and was not significantly different between genders (boys, 8.8\%
Selective Upper-Body Perfusion Technique for Removal of Renal Cell Carcinoma Extending into the Inferior Vena Cava and Right Atrium
(TEXAS HEART INST, 2017-01-01) Aydin, Selim; Cengiz, Bora; Gokay, Banu Vural; Mammadov, Anar; Emiroglu, Remzi; Eskicorapci, Saadettin; Erek, Ersin
Invasion of a renal cell carcinoma thrombus into the inferior vena cava and right atrium is infrequent. Reaching and completely excising a tumor from the inferior vena cava is particularly challenging because the liver covers the surgical field. We report the case of a 61-year-old man who underwent surgery for a renal cell carcinoma of the right kidney that extended into the inferior vena cava and right atrium. During dissection of the liver to expose the inferior vena cava, transesophageal echocardiograms revealed right atrial mass migration into the tricuspid valve. On emergency sternotomy, the tumor embolized into the main pulmonary artery. We used a selective upper-body perfusion technique involving moderately hypothermic cardiopulmonary bypass, cardioplegic arrest, and clamping of the descending aorta, which provided a bloodless surgical field for precise removal of the mass and resulted in minimal blood loss. Our technique might be useful in other patients with tumor thrombus extending into the right atrium because it reduces the need for transfusion and avoids the deleterious effects of deep hypothermic circulatory arrest. Our case also illustrates the importance of continuous transesophageal echocardiographic monitoring to detect thrombus embolization.
The determination of stage in nonmuscle urothelial carcinoma: Staining pattern of caspase-8
(MEDKNOW PUBLICATIONS \& MEDIA PVT LTD, 2018-01-01) Sen Turk, Nilay; Eskicorapci, Saadettin; Aybek, Zafer; Tuncay, Levent
Context: Urothelial carcinoma (UC) is one of the most frequent epithelial tumors worldwide. Aims: We aimed to investigate the protein expressions of caspase-8, p53, murine double minute 2 (mdm2), and p14(ARF) in nonmuscle UCs and to correlate the findings with clinicopathological characteristics. Settings and Design: A total of 50 patients who had pTa and pT1 tumors were analyzed. Subjects and Methods: The protein expressions of caspase-8, p53, mdm2, and p14ARF were analyzed by immunohistochemistry. Statistical Analysis Used: Chi-square test was done using SPSS version 16.0 (SPSS, Inc., Chicago, IL, USA). Results: Cytoplasmic caspase-8 expression was significantly higher in pT1 UCs while nuclear caspase-8 expression was significantly higher in pTa UCs (P = 0.005 and P = 0.011, respectively). Cytoplasmic caspase-8 expression was also higher in high-grade UCs (P = 0.035). The expression of p53, mdm2, and p14ARF was not also related with pathological stage or grade (P > 0.05 for all). The p14ARF expression was related with nuclear caspase-8 expression in most of the patients. Complete agreement among nonmuscle UCs for immunohistochemical expression of p14 and nuclear caspase-8 was seen in 41 cases, and the pairwise kappa agreement value was substantial (kappa = 0.614). The patients who had recurrence were positive for both p53 and mdm2 or either p53 or mdm2 (P = 0.025). Conclusions: These results suggested that the staining pattern of caspase-8 might be helpful for determining of the stages in nonmuscle UC. It was also showed that the expression status of p53 and mdm2 were related with the recurrence.
Turkey Prostate Cancer Map 2021: Turkish Urooncology Association Prostate Cancer Database Report
(GALENOS YAYINCILIK, 2022-01-01) Sahin, Bahadir; Celik, Serdar; Tinay, Ilker; Eskicorapci, Saadettin; Aslan, Guven; Sozen, Sinan; Ataus, Suleyman; Turkeri, Levent
Objective: This study aimed to present the data of patients with prostate cancer (PCa) whose detailed information was stored in the Urologic Cancer Database-Prostate, Urooncology Association, Turkey with the title of ``Turkey Prostate Cancer Map 2021.{''} Materials and Methods: Patient data between 1995 and 2020 were retrospectively scanned. The age of the patients, their distribution according to age groups, symptoms during diagnosis, examination findings {[}digital rectal examination (DRE)], prostate-specific antigen (PSA) values, biopsy methods in the diagnosis, metastatic disease rates, treatment methods, and progression rates at follow-up were examined. These results were compared with the results of the previous report, namely ``Prostate Cancer Incidence (Incidence) in Turkey,{''} by the Urooncology Association in Turkey in 2009. Results: This study analyzed the data of 5040 patients from 19 different centers. The mean patient age was 63.6 (37-97) years. The age distribution examination revealed that most patients (49.8\%) were aged 60-69 years. Of the patients, 51.8\% were symptomatic at the time of diagnosis. The presence of symptoms was determined in 88.6\% in 2009 data. The ORE of patients revealed that 25\% of patients had malignancy findings. The PSA distribution examination revealed a >10 ng/mL PSA value in 37.5\% of patients. With the increasing use of magnetic imaging resonance (MRI) in PCa diagnosis over the years, increased MR-fusion biopsy rates have been observed. Considering the biopsy data, 91\% of patients were diagnosed with a classical transrectal ultrasound-guided biopsy, whereas 9\% were diagnosed with MR-Fusion biopsy. Fusion biopsies revealed that 23\% of patients with Prostate Imaging-Reporting and Data System (PI-RADS) 4 lesion and 57\% with PI-RADS 5 lesion were diagnosed with cancer. Of the patients, 8.9\% of patients had metastases during the initial diagnosis. This rate was 17\% in 2009 data. The treatment methods examination after the diagnosis revealed that 73.9\% of patients had undergone radical prostatectomy. This rate was 51.8\% in 2009. Robotic and laparoscopic approaches, which are among the surgical modalities, have increased over the years. However, the most frequently applied modality in our country was open radical prostatectomy with 62.6\%. Considering the follow-up data after treatment, 8.9\% of patients had progression, of which 62.6\% was biochemical, 30.2\% was radiological, and 6.9\% was a clinical progression. Conclusion: Technological advancements for PCa diagnosis (MRI and MR-guided biopsies) are becoming a routine part of daily practice compared to the results of the ``Prostate Cancer Incidence in Turkey{''} project in 2009. The comparative study results revealed that the rate of symptomatic and metastatic disease decreases at the time of diagnosis, and laparoscopic and robotic surgery methods are used at increasing rates for localized disease.