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    Diagnosis of urethral strictures: Is retrograde urethrography still necessary?
    (Kluwer Academic Publishers, 1996) Bircan, Mehmet Kamuran; Şahin, Hayrettin; Korkmaz, K.
    Different methods are available in the diagnosis and treatment of urethral strictures. True diagnosis is necessary for choosing the most suitable method of treatment and to inform the patient about the method, complications, recurrence rate and costs. In this study we aimed to compare the efficiency, complications and reproducibility of retrograde urethrography with urethroscopy. The retrograde urethrographic (RGU) and urethroscopic findings of 38 male patients were evaluated. Thirty had the same findings with either technique. In 8 patients the RGU was misdiagnosing (p < 0.01). In conclusion, it has been shown that the results of RGU are misleading when it is not combined with urethroscopy and we think that it must not be a routine method in the diagnosis of urethral strictures.
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    The importance of visual erotic stimulation in the differential diagnosis of erectile impotence
    (Kluwer Academic Publishers, 1997) Aydoǧan, Ş.; Bircan, Mehmet Kamuran; Şahin, Hayrettin; Korkmaz, K.
    In this study we aimed to determine the importance of visual erotic stimulation (VES) alone, and in combination with intracavernosal papaverine injection (ICPE) in the differential diagnosis of erectile impotence. Sixty- four patients with erection problems were investigated between June 1992 and January 1994. VES could be the fast investigative method in the differential diagnosis of erectile impotence. This will help us in some groups of patients with psychogenic impotence to avoid the application and complications of ICPE. In patients with insufficient erections with VES alone, ICPE must be combined with VES in order to detect the causes of psychogenic erectile impotence more correctly.