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Contribution of a case report of vesical small cell carcinoma (SCC) seen at our Centre and managed with partial cystectomy and systemic chemotherapy (CMT) with M-VAC. SCC is an uncommon neoplasia of the bladder usually associated with an aggressive behaviour. The effectiveness of radical surgery has not been demonstrated, so a conservative treatment was chosen which has allowed to preserve a high quality of life until now, 36 months after diagnosis. The studies of local and distant relapses show no signs of residual disease.

We report an atypical case of spermatocele in which sonographic findings demonstrated an intraescrotal mass fixed to the testicle, apparently solid and with important vascularity, being these findings suspicious of malignant tumor. We recommend to include complicated spermatocele in the differential diagnosis of ecographically solid masses.

A 54-year-old male who consulted for an episode of right-sided nephric colic is described. A urological ultrasound scan disclosed grade I hydronephrosis in the upper half of the right kidney and an anechoic tubular image ending in the prostate gland. A subsequent urographic evaluation confirmed the diagnosis of ectopic ureter in prostatic urethra.

We report an uncommon case of ureteral ectopia opening to the contralateral vulva in a 20-year-old patient with a long history of night and day urinary incontinence. Since the ectopic ureter drained the superior pelvis of the right kidney, pyelo-pyelic anatomosis was performed and the defunctionalized ureter was abandoned. A completely satisfactory result was achieved. We briefly discuss this rare pathology and describe the simple, yet effective treatment.

Contribution of one case of spontaneous vesical fracture in a patient with no urinary pathological background. Presentation of this picture is highly uncommon. In this case, a major alcoholic intake stands out as the unleashing factor which provoked vesical overdistension with an intraperitoneal posterior fracture. A review is made of the various etio-pathogenic mechanisms which can originate this pathology, as well as the diagnostic and therapeutic methodology.

The appraisal of the prostate weight with transrectal ultrasound scanning is simplified with the use of a simple mathematical formula of an ovoid volume. Such a method does not prolong the examination time but provides an acceptable reliability, and therefore it can be used as a substitute to planimetry, more subject to the observer's error and more time consuming for the physician, even when part of the examination can be made by replaying the video.

The presence of melanin in the prostatic gland's stroma is a histopathological finding of extreme rarity. It receives the name of blue nevus as a result of its similitude to the skin's blue nevus. The paper describes the finding of melanin stores in the fibromuscular stroma of a patient's prostate and reviews the theories on its source.

The incidence and features of malignant primary multiple (MPM) neoplasias found in clinical urological patients have been analyzed so as to determine the actual magnitude of the problem and to obtain a better knowledge of this disease. For this reason, case histories of patients with MPMN, where at least one of the involved neoplasia was urological, were retrospectively studied. The study included a 9-year follow-up period and followed the Warren and Gates inclusion criteria. The number of MPMN patients was 23, representing an incidence of 6.1% among patients with urological neoplasias. Mean age at the time of discovery of the second tumour was 77.1 years. In the 15 patients with metachronic tumours, the time interval between the first and second tumours ranged between 1 to 25 years (average 5.4 years). The most frequently observed tumour association was bladder transitional carcinoma and prostate adenocarcinoma. The cause of death was always the second neoplasia.

One of the major challenges of using prostate transrectal ultrasound scanning as a procedure to diagnose through images is the theoretical possibility of reaching an early diagnosis of prostate cancer. This paper compiles the author's experience in this field. Based on 142 established diagnosis of prostate cancer since 1984, the conclusion being reached is that prostate cancer has no pathognomonic signs, and therefore it is impossible to make an early diagnosis just by using the images obtained with transrectal ultrasound scanning. This procedure could be used, however, to select patients with scan abnormalities (Alarm signs) who should have a biopsy performed. The support of ultrasound-led transperineal biopsy of the prostate is currently indispensable to achieve an early diagnosis. This paper suggests that a biopsy should be done at the appearance of just one alarm sign, although this may involve a large number of cancer negative biopsies. The almost null incidence of complications from transperineal biopsies enhances this reasoning.

The authors present a unique case of bladder cancer that presented as paraneoplastic syndrome of fever and leukemoid reaction. Furthermore, the patient had a left renal tumor histologically similar to the bladder tumor. We discuss whether the foregoing was a metastatic or a primary tumor coexisting with a bladder tumor. The neoplastic syndromes affecting patients with bladder neoplasms are briefly discussed.