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자료유형
학술저널
저자정보
Abbas Basiri (Shahid Beheshti University of Medical Sciences) Saeed Movahhed (Shahid Beheshti University of Medical Sc) Mahmood Parvin (Shahid Beheshti University of Medical Sc) Maziar Salimi (Shahid Beheshti University of Medical Sc) Gholam Hossein Rezaeetalab (Shahid Beheshti University of Medical Sc)
저널정보
대한비뇨기과학회 Investigative and Clinical Urology Investigative and Clinical Urology Vol.57 No.3
발행연도
2016.1
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191 - 195 (5page)

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Purpose: To assess the prevalence of intratubular germ cell neoplasia (ITGCN) in patients with concurrent testis tumor and its correlation with histologic features and serum tumor markers. Materials and Methods: From 2003 to 2015, 179 patients underwent radical orchiectomy due to testicular mass. Tissue specimens were evaluated by an expert uro-pathologist using immunohistochemistry (IHC) staining, in addition to light microscopy, to identify presence of ITGCN. Patients' demographic characteristics, histologic subtypes, pathologic stage of tumor and serum tumor markers were gathered and analyzed. Results: Eighty-five out of 179 patients (47.5%) had concomitant ITGCN according to IHC staining. There was not statistically significant difference in histologic type, histologic components, cryptorchidism, and lymphovascular invasion between the 2 groups (p=0.151, p=0.11, p=0.233, p=0.413, and p=0.14, respectively). The prevalence of ITGCN was significantly higher in patients with stage T2 and T3 of tumor than those with stage T1. Elevated serum alpha feto protein level is much common in patients with ITGCN (p<0.001). Conclusions: The prevalence of concurrent ITGCN in our region is lower than previous data from western countries. ITGCN is more common in higher tumor stages and is accompanied with elevated serum alpha feto protein levels before surgery. Presence of ITGCN in adjacent tissue may suggest a negative cancer behavior.

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