Browsing by Author "Ates, Nihat"

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    Efficacy of Silodosin in the Treatment of Distal Ureteral Stones 4 to 10 Mm in Diameter
    (2015) Yuksel, Mustafa; Yilmaz, Serdar; Tokgoz, Husnu; Yalcinkaya, Soner; Bas, Serkan; Ipekci, Tumay; Yildiz, Ali; Ates, Nihat; Savas, Murat; 0000-0002-3068-4699; 0000-0002-2755-0526; 0000-0003-0293-9989; 26770537; AAD-5570-2019; AAB-2986-2020; GWC-8116-2022
    Purpose: Few studies have investigated the efficacy of silodosin, a recently introduced selective alpha 1-A adrenoceptor antagonist, in medical expulsive therapy (MET) for ureteral calculi. The results of these studies, which all evaluated the efficacy of 8 mg/day, indicate that silodosin is a potential treatment for ureteral calculi. This study investigated the efficacy of 4 mg/day of silodosin for MET of distal ureteral stones 4 to 10 mm in diameter. Material and Method: After 70 patients had been randomized into 2 groups of 35 patients each, both the control and experimental groups (groups 1 and 2, respectively) were advised to take 75 mg/day of diclofenacsodiumas needed for pain relief but only the experimental group to take 4 mg/day of silodosin. After 21 days, the groups were compared regarding the stone expulsion rate and duration, number of renalcolicepisodes, and analgesicdosage. Results: The median expulsion rates were 71.4% and 91.4% in groups 1 and 2, respectively, and the difference between them was significant (P= 0.031). The median expulsion durations were 12.91 +/- 6.14 and 8.03 +/- 4.99 days, respectively, and the difference between them was significant (P< 0.001). No significant differences were found regarding the median number of renal colic episodes or median analgesic dosage. While no patients in group 1 experienced side effects, 5 patients (14%) in group 2 experienced retrograde ejaculation. Conclusion: These results indicate that 4 mg/day of silodos in facilitates the expulsion of distal ureteral stones 4 to 10 mm in diameter but does not significantly reduce the number of renal colic episodes or analgesic dosage.
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    Retroperitoneal paraganglioma presenting as right-sided varicocele: case report
    (2016) Ates, Nihat; Yuksel, Mustafa; Yilmaz, Serdar; Habibi, Mani; Ipekci, Tumay; 0000-0002-2755-0526; 26997533; AAB-2986-2020
    Varicocele, the most important identifiable pathological cause of male infertility, is rarely observed on the right side. In isolated cases of right-sided varicocele, the presence of retroperitoneal masses compressing the inferior vena cava should be considered by further investigation. The retroperitoneal masses that are detected tend to grow rapidly due to their location and may be very large at the time of diagnosis. Soft tissue sarcomas are the most common cause of retroperitoneal masses, while paragangliomas are rare causes. Retroperitoneal paragangliomas should be diagnosed via detection of symptoms caused by hormonal activity, observation of the compression effect of the mass, or incidentally during imaging studies. SIMILAR CASES PUBLISHED: This study presents the first case of retroperitoneal paraganglioma in a 41-year old man as isolated right-sided varicocele that has been described in the published reports.