The aim of this paper is to point out the significance of the rare urinary system anomaly such as horseshoe kidney. Tumors of the horseshoe kidney are rarely described as single cases in literature. Bilateral tumors of the horseshoe kidney can present a health and therapeutically challenge. In this paper we have analyzed characteristics of the horse shoe kidney tumors and their diagnostics. Primary means of the horseshoe kidney tumors treatment are surgical with different techniques depending on the size, presentation of the tumor and other indications. The review of the available literature is also included.

Surgery of tumors in orthotopic neobladders is possible if diagnosed in time. In the presented case surgery resulted only in a decrease in the capacity of the neobladder without having an effect on the continence itself.

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Kidney transplantation is a treatment of choice for patient with end stage renal disease. Chronic renal failure is characterized with weak cellular and humoral immunity. In our paper we present our experience with presence of malignancy in renal transplant patients. Urology clinic in Belgrade transplanted 411 patients over the period of 16 years. Living donor transplantation was performed for 272 and cadaveric kidney transplant for 139 patients. In the postoperative follow up, malignancies were diagnosed in 7 of the transplanted patients. Three patients developed basal cell skin carcinoma, one was diagnosed with adenocarcinoma of the transplanted kidney, one developed transitional cell carcinoma of the bladder and testicular tumors were diagnosed in two patients. Postoperative immunosuppressive therapy usually double or triple when patients are in the immunological high risk group. Incidence of malignancy according to big health centers is around 1 in every 1000 transplanted patients. It is also noted the rise of incidence of malignancies in transplanted patient in over 50%.

Objectives: The aim of this paper is to performed a retrospective descriptive study between the years 2009 and 2013 analyzing 24 patients treated for testicular cancer at a Urology department of Health Center Vranje, including in the analysis tumor incidence, the patient?s age, patient?s time before treatment, histological type and their typical characteristics, oncological treatment, tumor progression and mortality rate. There were 13 rights sided and 11 left sided tumor presented and all of them unilateral. The average age of the patients was 36 years old in the group of patients with seminoma, 28 years old with mixed tumors, 26 years old average with embryonal carcinoma. One patient presented himself with fibrous histiocytoma was 14 year old and one patient with laydig cell tumor was 65 years old in the time of diagnosis. Two patients who were diagnosed with testicular lymphoma were 69 year old in average. Hystopathological findings revealed: 11 cases of seminoma, 5 cases of mixed cell tumors, 4 cases with embryonal carcinoma, 2 case with non Hodgkin?s lymphoma and one case of laydig cell tumor and one case of fibrous histiocytoma. The entire patient underwent standard chemo therapy with cis platinum for testicular cancer. One of the patients with mixed tumor underwent RPLND (retroperitoneal lymph node dissection) but soon died after administration of chemotherapy - PEB (cisplatin, etoposide and bleomycin). All of the patient, except the four of them with who we lost contact and the one deceased are decease free and attend regular follow ups to this day.

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