Selahattin Çaliskan

Abstarct Aim Prostate cancer (PCa) is one of the most common cancers among men in the world. Prostate‐specific antigen is the most used biomarker for PCa diagnosis. In this study, we aimed to measure the procalcitonin(PCT) and C‐reactive protein (CRP) levels in patients with PCa. Methods The patients who underwent transrectal prostate biopsy and...

Aims To evaluate the diagnostic significance of the novel index combining preoperative haemoglobin, albumin levels, lymphocyte and platelet counts (HALP) in prostate cancer (PCa) patients. Methods Between 1 January 2015 to 31 December 2018 at the Hitit University Erol Olçok Education and Research Hospital 225 patients who had undergone transrectal...

Renal cell carcinoma (RCC) is the most common malignancy of the kidney that accounts 85% of all renal tumors and 2-3% of all adult malignancies . The etiology of RCC associated with smoking , obesity, anti-hypertensive therapy, coffee and tea, Western diet (high fat and protein and low fruits and vegetables). However, the detection of small renal m...

Background: Bladder cancer is one of the major health problems studied over the years. Emerging technologies on follow-up and treatment of bladder cancer increased scientific literature worldwide. Despite this, there is limited data about the bibliometric analysis of bladder cancer. Materials and Methods: The bibliometric analysis of bladder cancer...

Aim A worldwide pandemic of coronavirus disease 2019 (COVID‐19) which emerged in China in December 2019 affects the world very seriously. We aimed to evaluate the benign prostatic hyperplasia (BPH) patients who were admitted and treated to our hospital due to COVID‐19. Methods Between March 18, 2020 and April 5, 2020, 18 patients admitted with COV...

Objective: Large solitary renal cysts (SRC) may result in renal ischemia. Renalase, a protective enzyme against ischemic renal injury, has an effective role in controlling blood pressure (BP). Therefore, we aimed to investigate the relationships among pre- and postoperative serum angiotensinogen, epinephrine, renalase/epinephrine ratio, and BP in p...

OBJETIVO O câncer de próstata é uma das neoplasias mais comuns em homens. Os principais fatores de risco para a ativação da coagulação e trombose são malignidade e idade mais avançada. O risco de trombose pode estar associado ao aumento do nível dos marcadores de coagulação, tais como o fibrinogênio e D-dímero. O objetivo deste estudo é avaliar a r...

The endoscopic treatment of urolithiasis has a high success rate and the complications decreased after the development of lithotripsy techniques. The aim of this study is to investigate the in vitro bactericidal effect of laser and pneumatic lithotripsy on urinary stones colonized with Escherichia coli and Enterococcus faecalis. A total of 40 natur...

Suture granuloma is very rare complication of surgical procedures developing from the non-absorbable sutures. The development of suture granuloma is a chronic process and includes multinucleated giant cell formation. It has two step process including the initial reaction of tissue inflicted the passage of the needle and specific inflammatory reacti...

Introduction: Prostate cancer is one of the most common cancer among men in the world. Radical prostatectomy is the gold standard treatment for localized prostate cancer but advanced diseases are treated with hormonal therapy. Unfortunately, this treatment is not curative and approximately after 2 years, castration resistant prostate cancer occurs...

Introduction: Endothelin-1 (ET-1) is potent vasoconstrictive peptide and elevated ET-1 levels are associated with hypertension, endothelial dysfunction and atherosclerosis. Research on (ET-1) has demonstrated that elevated ET-1 levels in autosomal dominant polycystic kidney disease leads to systemic hypertension. The prevalence of simple renal cyst...

BACKGROUND: Fournier's gangrene (FG) is a very rare disease in daily urological practice. Despite medical improvements, mortality in FG is still high. Early diagnosis is very important to reduce additional instrumentations and mortality. In this study, we aimed to present the characteristics of the patients with Fournier's gangrene followed in two...

Background: Fournier's gangrene (FG) is a very rare disease in daily urological practice. Despite medical improvements, mortality in FG is still high. Early diagnosis is very important to reduce additional instrumentations and mortality. In this study, we aimed to present the characteristics of the patients with Fournier's gangrene followed in two...

Introduction: Angiomyolipoma is one of the most common benign solid renal tumors. We investigated the characteristics of renal angiomyolipomas and the clinical outcomes of patients in the last thirteen years. Methods: The medical records of the patients who underwent nephrectomy were reviewed retrospectively from July 2005 to May 2018. The labor...

Background: Nephrocutaneous fistula (NF) is a rare pathologic condition in urology practice. Xanthogranulomatous pyelonephritis and renal tuberculosis are the two common causes of this pathologic condition. Another rare cause of NF is surgery. Percutaneous nephrolithotomy is standard treatment for >2 cm renal stones. However, this surgery can be as...

Introduction: We aimed to evaluate plasma thiol and disulphide levels as an additional marker to prostate specific antigen (PSA) in the diagnosis of prostate cancer (PCa). Methods: Between March 2017 and January 2018 prospective study was conducted among patients with PSA levels of 2.5–20 ng/mL without suspicion of malignancy in rectal examination...

Introduction: Prostate cancer is the most common malignancy among men in the United States and the second most common cancer in Turkey. The incidence of prostate cancer is increasing in industrialized countries. Aim: The aim of the study was to assess the knowledge about prostate cancer, its diagnosis, and treatment among patients with lower urinar...

Objective: To compare the impact of prostate specific antigen (PSA) on oncological outcomes in the patients with 4-10 and 10.01-20 ng/ml PSA level. Study design: Retrospective comparative study. Place and duration of study: Hitit University, Çorum Erol Olçok Training and Research Hospital, Çorum, Turkey, between February 2010 and January 2018....

Introduction: Renal cell carcinoma is the most common malignancy of the kidney, which accounts 85% of all renal tumors. In recent years, the incidence of renal cell carcinoma was increased due to the widespread use of imaging techniques. The aim of this study is to investigate the clinical significance of pretreatment neutrophil to lymphocyte and...

Objective: In this study, we evaluated the pathological results and clinical presentation of patients with retroperitoneal tumors Design: Retrospective study Setting: Department of Urology at Hitit University, Çorum Erol Olçok Training and Research Hospital, and Department of Urology at Haydarpaşa Numune Training and Research Hospital Subjects: Fou...

Bladder stones are usually seen among patients with bladder outlet obstruction, especially in men over the age of 50 years. There are several risk factors for bladder stones, including urinary tract infections, abnormal urinary tract system anatomy, and presence of foreign bodies. In addition, migrating intrauterine contraceptive devices through th...

The success rate of percutaneous nephrolithotomy (PNL) is about 90%, but overall complications of this surgery have been reported in up to 83% cases. The complications are graded using Clavien classification system from grade 1 to 5. Grade 1 needs simple treatments without surgical, endoscopic, and radiologic interventions like antiemetics, antipyr...

Background: Renal cell carcinoma is the third most common cancer after prostate and bladder tumors in urological malignancies. Recently, because of the widespread use of ultrasound and computed tomography, incidental and early stage renal tumors have been encountered more frequently. Aim: In this study, we evaluated the diagnostic efficacy of neutr...

The inguinal hernia affects 3-8% of the general population; and 80-83% of all hernias are located in the inguinal area. 1 Approximetely, 75-85% of the patients are men. The herniation of the bladder into the inguinal canal is very rare and the incidence is 1-3% among men over the age of fifty. Inguinal bladder herniation was first described by Lavi...

Aim of study: Prostate cancer (PCa) is one of the most common cancers among men and has become a significant health problem in developing and developed countries. Prostate-specific antigen (PSA) is a useful marker for screening and monitoring the patients. In this study, the author aimed to detect the prevalence of PCa among Turkish patients who u...

Objective: The current study aimed to evaluate the diagnostic efficacy of percentage free/total prostate-specific antigen ratio (%fPSA = free/total PSA*100) for prostate cancer diagnosis in different PSA levels (4.1 - 10 ng/ml and 10.01 - 20 ng/ml). Design: Retrospective study Setting: Department of Urology, Çorum Training and Resarch Hospital, Hit...

Background: Prostate cancer (PCa) is the second most common cancer and sixth most common cause of cancer associated death among men in the world. Multiple studies demonstrated the relationship between obesity and PCa in the recent years. Aim: The present study aimed to investigate the impact of obesity on postoperative oncological results after rad...

Background: Renal cell carcinoma is the third most common cancer after prostate and bladder tumors in urological malignancies. Recently, because of the widespread use of ultrasound and computed tomography, incidental and early stage renal tumors have been encountered more frequently. Aim: In this study, we evaluated the diagnostic efficacy of neutr...

Duplicated collecting system is a relatively common congenital abnormality of the genitourinary tract with an incidence of 0.8%. This abnormality is frequently associated with an obstructed and poorly functioning upper pole moiety. Most of the patients are asymptomatic and diagnosed incidentally. The diagnosis and optimal management of duplicated c...

Perirenal urine extravasation, also known as urinoma, occurs usually after renal trauma. Spontaneous urinoma is a very rare pathology in daily urology practice. The patients with spontaneous urinoma usually present with flank pain, and radiologic imagings confirm the diagnosis. Ultrasonography, intravenous urography, and computed tomography are the...

Objective: The current study aimed to report the efficacy and safety of harmonic scalpel for laparoscopic renal cyst decortication Design: Retrospective study Setting: Subjects: Thirty four patients with renal cyst Intervention: Laparoscopic decortication Main outcome measures: The symptoms at presentation and recurrence were recorded Results: Thir...

Renal cell carcinoma accounts 85% of all renal tumors. In this study, we aimed to investigate the clinical and pathological results of female patients with RCCs and compare with male patients. The patients who underwent radical or partial nephrectomy were reviewed retrospectively. The clinical characteristics of male and female patients were analyz...

Urinary retention is defined as the inability to void; frequently the patient is able to void partially, thus can not completely empty the bladder and diagnosed by increased post-void residual urine (PVR) volumes. It is usually seen in men, but a rare condition in women. The etiological factors may be neurological, anatomical, infectious or pharmac...

Renal cell carcinoma accounts 85% of all renal tumors. In this study, we aimed to investigate the clinical and pathological results of female patients with RCCs and compare with male patients. The patients who underwent radical or partial nephrectomy were reviewed retrospectively. The clinical characteristics of male and female patients were analyz...

Percutaneous nephrolithotomy has a success rate of 90%; however, its overall complication rate is approximately 83%, including urinary extravasation, bleeding necessitating transfusion, and postoperative fever. Septicemia, colonic and pleural injury are rare major complications. Neighboring organ injury, especially colonic injury, is frequently see...

Aim of Study: Metabolic syndrome (MetS) is an abnormality that increases the risk of cardiovascular disease and diabetes. In the recent years, studies showed that MetS is associated with increased risk of incidence, aggressiveness, and mortality of prostate cancer (PCa). We examined the influence of MetS at final pathology in Turkish patients with...

Objective: Efficacy of treatments for benign prostate hyperplasia (BPH) is limited because the disease has complex etiopathogenesis. Recent studies have demonstrated the presence of phosphodiesterase-5 (PDE-5) receptors in prostate tissue. We investigated efficacy of sildenafil citrate in testosteron - induced BPH in rats. Material and methods:...

Prostate cancer is a common malignancy in the world. The established risk factors are increasing age, race and family history. The incidence of prostate cancer is low in Asia, but the overall age-adjusted incidence rate of PCa was reported as 35/100,000 from years of 2008 to 2009 in Turkey. The aim of the study is to investigate the articles from T...

Although testicular cancer (TCa) is rare neoplasm that occurs in young men aged between 18 and 35 years. The risk factors are cryptorchidism, family history, and infertility. The aim of this study was to investigate the diagnostic efficacy of neutrophil to lymphocyte ratio for the diagnosis of TCa. The patients who underwent orchiectomy in our unit...

Mechanical and technical complications associated with a peritoneal dialysis catheter are seen frequently but inserting the catheter into the bladder is a rare complication. The Tenchkoff catheter was inserted into the bladder accidentally in a 64-year-old male patient and this complication was understood by the beginning of peritoneal dialysis (PD...

Background Prostate cancer is one of the most common malignancy in men. The main risk factors for coagulation activation and thrombosis are malignancy and older age. The thrombosis risk may be associated with increased level of coagulation markers such as fibrinogen and D-dimer. The aim of this study is evaluate the relationship between coagulation...

Primary signet cell carcinoma of the prostate is very rare histological variant and usually originates from the stomach, colon, and pancreas. This malignancy was first reported in 1979 and there have been case series with small numbers of patients and case reports in the literature. Signet cell carcinoma of the prostate has a poor outcome when comp...

Aim of Study: Serum prostate-specific antigen (PSA) is a useful tumor biomarker for prostate cancer (PCa) diagnosis. In this study, I aimed to compare the free/total PSA (fPSA%) with PSA alone for their usefulness in diagnosis for PCa. Methods: The patients who underwent prostate biopsy between January 2010 and January 2015 were evaluated retrospec...

Objective: The current is study aimed to assess the patients who underwent radical prostatectomy for prostate cancer and investigate the association between prostate size and adverse outcomes at final pathology. Study Design: Comparative, descriptive study. Place and Duration of Study: Haydarpasa Numune Training and Research Hospital, Turkey, from...

Renal medullary carcinoma (RMC) is an uncommon aggressive neoplasm of the kidney. RMC is biologically aggressive with a very poor prognosis, and metastasis is seen in up to 95% of the patients at diagnosis or shortly thereafter. The common sites of metastasis are respectively lymph nodes, lungs, livers, and adrenal glands in order of frequency. The...

Leiomyoma of the bladder is a very rare disorder that accounts for 0.43% of all bladder neoplasms. Although the pathophysiology of the bladder leiomyoma is unknown, there are some theories in it. The patients can be asymptomatic; and clinical symptoms, when present, are associated with the tumor size and location. Imaging techniques such as ultraso...

Bilateral ureteral duplication is a very rare anomaly, a result of two separate ureteric buds arising from a mesonephric duct. Most of the patients are asymptomatic and diagnosed incidentally. Recurrent urinary tract infections, incontinence, haematuria, stone formation and flank pain are common clinical symptoms. Intravenous urography, computed to...

Objective: The current is study aimed to assess the patients who underwent radical prostatectomy for prostate cancer and investigate the association between prostate size and adverse outcomes at final pathology. Study design: Comparative, descriptive study. Place and duration of study: Haydarpasa Numune Training and Research Hospital, Turkey,...

The simple nephrectomy is usually performed in daily urology practice for the non-functioning kidney. The aim of this study is to determine the incidental malignancy rate of the patients who underwent nephrectomy procedure. In total, 258 patients were included in the study. The patients who underwent simple nephrectomy and diagnosed as renal tumor...

Renal cell carcinomas (RCCs) account 80–85% of all primary renal neoplasms and originate from the renal cortex. The patients who underwent radical or partial nephrectomy for renal tumour in our unit between January 2005 and 2015 were evaluated retrospectively. The patients were divided into two groups; group 1 includes patients who were treated bet...

Introduction: Xanthogranulomatous pyelonephritis is a chronic destructive granulomatous inflammation of the kidney. This pathology was firstly described in 1916 and a small number of patient series were reported in the literature. In this study, we aimed to report the patients with xanthogranulomatous pyelonephritis in our nephrectomy cases. Meth...

Aim: Investigation of the erectile functions in partners of women with urinary incontinence problems. Materials and methods: Sexually active female patients over the age of 18 years with complaints of urinary incontinence (n=30) (Group-1), and without urinary incontinence (n=30) (Group-2, controls) were included this study. Evaluation of the pat...

Objectives: To evaluate national practice patterns in the treatment of male anterior urethral strictures among Turkish urologists. Materials and Methods: A survey form including 12 questions prepared to determine active Turkish urologists' approach to diagnosis and treatment of the adult urethral stricture (US) were filled out. Based on the survey...

Sorafenib is an orally active, small-molecule multikinase inhibitor that blocks tumor cell proliferation and angiogenesis. Studies have shown that it is a highly potent, selective inhibitor of vascular endothelial growth factor receptors 2 and 3, platelet-derived growth factor-β, RAF, FLT-3, and c-Kit. This drug was recently approved for the treatm...

A blind-ending bifid ureter is an anatomic variant of ureteral duplications. There are three forms of blind-ending bifid ureter, classified depending on their location. A proximal blind-ending bifid ureter is the most common subtype of this congenital anomaly. Most patients are asymptomatic and only show symptoms after the complication has occurred...

Objective: We evaluated the patients who are candidates for active surveillance and treated with radical prostatectomy. These patients were compared with other patients who had not met the criteria of active surveillance. Methods: In total, 135 patients were included in the study. The patients were divided into two groups. The patients in Group...

Schwannomas are extremely rare tumors that are composed of Schwann cells. Retroperitoneal localization comprises 0.7% to 2.6% of all schwannomas. Patients usually present with nonspecific symptoms. There are no pathognomonic features on radiologic evaluation. Preoperative biopsy is not recommended because of complication risks; however, surgery is...

Objective: Prostate cancer (PC) is one of the most common cancer and an important reason of cancer specific death. The incidence of patients who diagnosed at low stage increased because of widespread using Prostate Specific Antigen (PSA) testing. We evaluated the patients who were diagnosed single microscopic focus of adenocarcinoma and treated ra...

A 39 years old woman applied for acute urinary retantion to Haydarpasa Numune Training and Research Hospital, Emergency Urology Department in December 2009. She was inserted urethral cathater in our emercency department. She had micturition difficulity for ten years and placed urethral cathater many times. She had history of myomectomy operation 1....

Small cell carcinoma of prostate (SCPCa) was initially described by Wenk et al. in 1977. SCPCa is a very rare cancer that accounts for only 0.5-2% of all prostate carcinomas. Although, this pathology is usually accompanied with prostate adenocarcinomas, there are a few hypotheses about the origin of SCPCa. Poorly differentiated acinar adenocarcinom...

Ureterorenoscopy is very effective treatment of upper urinary tract pathologies such as stones, ureteral strictures, ureteropelvic obstruction, and upper urinary tract carcinomas. The incidence of ureterorenoscopy′ complications has been decreased because of significant technological advancement and worldwide use of ureterorenoscopy. The complicati...

Percutaneous nephrolithotomy is the standart treatment for large,multiple renal Stones. Although this surgical technique was defined in 1979, the overall complication rate is approximetely 83%. The complications are divided into 2 groups; major and minor. Pain, fever, urinary tract infection and renal colic are minor complications. Septicemia and s...

The widespread use of laparoscopy in daily urology practice is increasing. The laparoscopic surgery has some advantages about bleeding, short hospitalization and smaller insicion when comparing open surgery. In this study, I aimed to evaluate the patients who were treated with laparoscopic surgery in Çorum Training and Research Hospital. The patien...

Pe ni le ma lign ne op lasms are ra rely se en and less than 1% of men ma lig ni ti es. Ka po si's sar co ma (KS) was des cri bed by Mo ritz Ka po si in 1872 firstly. Pe ni le KS is very ra re and as so ci a ted with HIV po si ti ve pa ti ents. First ca se of pe ni le KS was re por ted in 1902. Dif fe ren ti al di ag no sis inc lu des pyo ge nic gr...

Objective: Efficacy of treatments for benign prostate hyperplasia (BPH) is limited because the disease has complex etiopathogenesis. Recent studies have demonstrated the presence of phosphodiesterase-5 (PDE-5) receptors in prostate tissue. We investigated efficacy of sildenafil citrate in testosteron - induced BPH in rats. Material and methods: The...