[Primary testicular rhabdomyosarcoma: A case report].

Background: Rhabdomyosarcoma is the most common sarcoma of soft tissues in childhood and adolescence, with an annual incidence of 4-7 cases per million children aged 15. Embryonal rhabdomyosarcoma is common in adults younger than 30 years, and are usually presented as a large painless, palpable mass (> 5cm). Survival in the case of paratesticular sarcoma in men is approximately 50%.

[Experience in nephron-sparing surgery in patients with small renal tumors].

Background: Nephron -sparing surgery is currently the treatment of choice for surgical removal of solid renal tumours smaller than 7 cm, in the case of a solitary kidney, bilateral renal tumours or the presence of chronic renal failure.

Material And Methods: An observational, descriptive, retrospective and cross-sectional study was conducted. The variables evaluated were: age at diagnosis, gender, intraoperative blood loss, operative time, preoperative tumour size, hospital stay, pathology report, pTNM classification, Fuhrman nuclear grade, pre- and post-operative creatinine, monitoring for cancer.

[Subtrigonal sling with abdominal fascia for treatment of complex stress urinary incontinence].

Background: The aim of this study was to describe the technique of subtrigonal sling with abdominal fascia and demonstrate its usefulness in resolving complex stress urinary incontinence (SUI).

Methods: We performed a cohort, longitudinal, observational study in adult females who attended the Urodynamics Department of the Hospital de Especialidades, Centro Medico Nacional Siglo XXI, Mexico City, with recurrent SUI or with risk factors for recurrence, whether or not associated with urge urinary incontinence (UUI).

Results: Between 1995 and 2006, 40 patients were included.

[Ejaculatory duct obstruction].

Background: Prostatic cysts are rare lesions with a reported incidence from 1 to 7.9%. They have been associated with primary infertility.