Natural history of prostate cancer.

Prostatic cancer can be a silent tumor, with no symptoms remaining undetectable throughout life . But when it keeps growing, enough to produce symptoms such as bladder neck obstruction, invasion of adjacent organs or distant metastasis, curative treatment is usually impossible. Since PSA emerges, data shows a dramatic increasing in the diagnosis of prostatic cancer, specially low risk tumor.

[Treatment of small renal masses with laparoscopic radiofrequency ablation].

Objectives: To perform a bibliographic review of the laparoscopic approach for radiofrequency ablation of small renal masses.

Methods: For this review we used the Medline database. We reviewed the clinical guidelines of the American Urological Association, the European Association of Urology and other institutions.