Browsing by Author "Ayan, Semih"
Now showing items 1-12 of 12
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Analysis of a 1-year-old cystinuric patient with recurrent renal stones
Tanzer, Fatos; Ozgur, Arzu; Bardakci, Fevzi; Cankorkmaz, Levent; Ayan, Semih (BLACKWELL PUBLISHING, 2006)Cystinuria is a hereditary disorder of cystine and dibasic amino acids (lysine, arginine, ornithine) transport across the luminal membrane of renal tubules and intestine, resulting in recurrent nephrolithiasis. Cystine ... -
Case report: Nonobstructive giant urethral stone with two safety pins
Gokce, Gokhan; Topsakal, Kahraman; Ayan, Semih; Kilicarslan, Hakan; Gokce, Seyda Figul; Gultekin, Emin Yener (SPRINGER, 2003)The urethra can be the site of various types of foreign bodies. A 61-year-old man having a giant urethral stone with two safety pins was evaluated according to the literature. To our knowledge, we report the first case of ... -
A comparison of sedation with dexmedetomidine or propofol during shockwave lithotripsy: A Randomized controlled trial
Kaygusuz, Kenan; Gokce, Gokhan; Gursoy, Sinan; Ayan, Semih; Mimaroglu, Caner; Gultekin, Yener (LIPPINCOTT WILLIAMS & WILKINS, 2008)BACKGROUND: Dexmedetomidine, because it has both sedative and analgesic properties, may be suitable for conscious sedation during painful procedures. Extracor-Poreal shockwave lithotripsy (ESWL) is a minimal to mildly ... -
Contractile responses of urinary bladder in an experimental model of chronic renal failure
Bicer, Huseyin; Korgali, Esat; Gokce, Gokhan; Ayan, Semih; Yildirim, Sahin; Gultekin, E. Yener (ASSOC BASIC MEDICAL SCI FEDERATION BOSNIA & HERZEGOVINA SARAJEVO, 2012)Chronic kidney disease is a public health problem with increasing prevalence caused by diabetes, hypertension and glomerulonephritis. Number of publications investigate the lower urinary tract dysfunction due to CKD is ... -
Effect of angiotensin-converting enzyme inhibition and angiotensin II type 1 receptor blockade on apoptotic changes in contralateral testis following unilateral testicular torsion
Gokce, Gokhan; Karboga, Hasan; Yildiz, Esin; Ayan, Semih; Gultekin, Yener (SPRINGER, 2008)In this experimental study, our aim was to determine whether angiotensin-converting enzyme (ACE) inhibition and angiotensin II type 1 (AT1) receptor blockade affect the apoptotic changes in contralateral testis following ... -
Efficacy of preventive analgesia with tramadol or lornoxicam for percutaneous nephrolithotomy: A prospective, randomized, double-blind, placebo-controlled study
Kaygusuz, Kenan; Gokce, Gokhan; Kol, Iclal Ozdernir; Ayan, Semih; Gursoy, Sinan (ELSEVIER, 2007)Background: Prevention of postoperative pain provides better and more rapid convalescence for patients. Objective: The aim of this study was to compare the preventive analgesic effect of tramadol and lornoxicam in the early ... -
Is renal cell cancer stage migration valid throughout the world?
Korgali, Esat; Saygin, Huseyin; Ayan, Semih; Gokce, Gokhan; Yildiz, Esin; Cinar, Ziynet; Gultekin, Emin Yener (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2013)Aim: To investigate changes in tumor sizes and pathological tumor stages in patients undergoing surgery for renal mass between 2000 and 2011. Materials and methods: The data of 157 patients who underwent surgery for renal ... -
Public awareness of testicular cancer and self-examination in Turkey: A multicenter study of Turkish Urooncology Society
Kuzgunbay, Baris; Yaycioglu, Ozgur; Soyupak, Bulent; Kayis, Aliye Atay; Ayan, Semih; Yavascaoglu, Ismet; Cal, Cag; Beduk, Yasar (ELSEVIER SCIENCE INC, 2013)Background: Testicular self-examination is the easiest and cheapest way to scan testicular cancer. However, the public awareness about testicular self-examination is very low. We aimed to investigate the public awareness ... -
Radiological findings in massive inguinoscrotal bladder herniation: Scientific letter
Atalar, Mehmet H.; Egilmez, Hulusi; Ayan, Semih (ORTADOGU AD PRES & PUBL CO, 2008)Inguinoscrotal bladder hernia is a rare entity. The bladder may be a component of inguinal hernias in man over the age of 50 years and only a small portion of the bladder is usually involved. Preoperative diagnosis of such ... -
Relation of microvessel density with microvascular invasion, metastasis and prognosis in renal cell carcinoma
Yildiz, Esin; Ayan, Semih; Goze, Fahrettin; Gokce, Gokhan; Gultekin, Emin Y. (BLACKWELL PUBLISHING, 2008)To clarify the significance of microvessel density (MVD) in a retrospective investigation the relationship between the pattern of MVD (reflecting angiogenesis), and tumour stage, grade, size, and occurrence of microvessel ... -
SRY and AZF gene variation in male infertility: a cytogenetic and molecular approach
Ozdemir, Ozturk; Gul, Eylem; Kilicarslan, Hakan; Gokce, Goekhan; Beyaztas, Fatma Y.; Ayan, Semih; Sezgi, Ihan (SPRINGER, 2007)Aim The aim of this study was to identify the genetic effects of Y chromosome and azoospermia factor (AZF) gene variation in men with infertility and to elucidate the molecular mechanism responsible for the identified point ...