Publications by authors named "Selahattin Caliskan"

Referrals to emergency services are frequently made for acute appendicitis and renal colic. This conundrum of patients with acute appendicitis and right ureteral stones frequently presents itself to emergency physicians. The hematological parameters of patients suffering from acute appendicitis and right ureteral stones were compared in this study.

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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.

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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 ultrasound guided prostate biopsy or prostate surgery were analysed retrospectively. A total of patients, 155 had benign prostate hyperplasia (group 1) and 70 had PCa (group 2).

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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.

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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 COVID-19 who has BPH and are using medication for this were included in the study and analysed retrospectively.

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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.

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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 cysts increases with age and the association with simple renal cyst and hypertension is not clear.

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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 reaction of the suture material.

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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.

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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.

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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 neutrophil-to-lymphocyte ratio for the diagnosis of renal cell carcinoma in patients who underwent nephrectomy operation.

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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 and who underwent prostate needle biopsy.

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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. The aim of the study was to assess the knowledge about prostate cancer, its diagnosis, and treatment among patients with lower urinary tract symptoms.

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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.

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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 PCa.

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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 natural calcium oxalate stones, which were obtained from the patients' urinary systems with rigid ureteroscopy were used in the study.

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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 platelet to lymphocyte ratios in patients with renal cell carcinomas.

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Introduction: Benign prostate hyperplasia is one of the most common disease in elderly men. The patients usually present lower urinary tract symptoms including frequency, urgency, nocturia and interittancy. The prostate symptom scores are usually used for daily urology practice.

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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 the wall of the urinary bladder and foreign bodies such as surgical sutures may act as a nidus for developing stone formation.

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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 pharmacological.

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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, antipyretics, and analgesics.

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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 underwent prostate biopsy with PSA level of <100 ng/ml.

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