Roman Pykało

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We present clinical and radiological findings in a case of collecting (Bellini) duct carcinoma (CDC). This is a rare and aggressive kidney cancer originating from the distal renal tubule. The patient underwent radical nephrectomy and the pathological report showed trabeculopapillary, partially solid adenocarcinoma infiltrating the renal capsule and sinus.(More)
P27Kip1 protein is a cell cycle inhibitor which blocks the transition of cells from G1 to S phase, while Ki-67 is the most specific marker of proliferative activity. Both proteins are independent predictors of clinical outcome in various neoplasms. The aim of the study was to assess the prognostic value of p27Kip1 and Ki-67 expression in urothelial bladder(More)
The authors report 8 adenomatoid tumors treated in the Urology Department of the Medical Academy of Warsaw by organ sparing surgery during 1985-2003. Microscopic and immuno-histochemic investigations confirmed their benign character and histiogenesis. Follow-up of 6 treated patients, over 5-15 years did not reveal recurrence of the neoplasm. Two patients(More)
Two cases of osteogenic sarcoma localized in the femoral neck have been presented. As it has resulted from literature, such a localization is very rare and it matches great diagnostic difficulties, mainly caused by absence of typical periarticular reactions and ambiguous X-ray pictures. Angiography and computerized tomography are helpful in diagnosis of the(More)