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    Angiomyofibroblastoma of the right labia major
    (Medknow Publications & Media Pvt Ltd, 2016) Gelincik, Ibrahim; Yildirim, Ayhan; Sayar, Ilyas; Aktas, Cevat
    [Abstract Not Available]
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    Öğe
    Relationship of PCNA, C-erbB2 and CD44s expression with tumor grade and stage in urothelial carcinomas of the bladder
    (E-Century Publishing Corp, 2014) Yildirim, Ayhan; Kosem, Mustafa; Sayar, Ilyas; Gelincik, Ibrahim; Yavuz, Alparslan; Bozkurt, Aliseydi; Erkorkmaz, Unal
    In the present study, the intention was to reveal the relationship of histological grade and stage with c-erbB2, CD44s, and PCNA immunoreactivity in bladder urothelial carcinomas (UC). In our study, we evaluated 46 items of transurethral resection material of patients submitted by YYU Faculty of Medicine, Main Department of Pathology, with a mass revealed in their bladder after clinical and radiological studies at our laboratories and who were diagnosed with urothelial carcinomas. PCNA, c-erbB2, and CD44s were applied in an immunohistochemical manner comprised from nine low-malignant potential papillary urothelial neoplasia, 23 low-grade papillary urothelial carcinoma, and 14 high-grade papillary urothelial carcinoma. Immunostaining was scored according to the percentage of positive cells. The immunohistochemical study demonstrated that the c-erbB2 and PCNA staining ratio increased when an increase occurred in stage and grade. The CD44s staining ratio decreased. C-erbB2, PCNA, and CD44s appear to be a useful marker in the assessment of the prognosis and treatment options in urothelial carcinomas.