[Uncommon histopathological variant of prostate carcinoma: signet ring cells].

Prostatic carcinoma withsignet ring cells is a very rare histopathological entity, withfew infected cases in the literature, for which there is nomanagement protocol.  DESCRIPTION OF CASES: Two patients are presented,one 46 years old and the other 76 years old, the firstdebuts with a decompensated picture of urinary and intestinalobstruction, and the second presents a torpid evolutionof his disease with progression from stage I to III in threemonths.  DISCUSSION: Mucosacretory prostate tumors have theirown morphohistological and immunohistochemical characteristics,which differentiate them from classic adenocarcinomas.

[Serum cellular inflammatory markers in the diagnosis of prostate cancer.].

Unlabelled: Prostate cancer (PCa) is one of the most frequent neoplasms in the masculine sex, which has multiple etiological factors, inflammation is one of them.

Objective: To determine the role of different inflammatory markers in the diagnosis of PCa in first prostatic biopsies.

Methods: This is a prospective study evaluating neutrophil/ lymphocyte (NLR), neutrophil/monocyte (NMR) and platelet/lymphocyte (PLR) ratios of 78 patients with suspected PCa due to PSA alteration and/or abnormal digital rectal examination, and its correlation with twelve-cylinder biopsy result.

[Partial nephrectomy in Venezuela. Where are we? present considerations.].

Objectives: Partial nephrectomy was historically used in urology for the treatment of benign kidney processes. In the last 20 years, its greater use was focused on localized tumors being an alternative to radical nephrectomy. Initially, absolute indications included patients with a single kidney or bilateral tumors.

[Evanescent carcinoma of the prostate. Incidence, clinical and histopathological characteristics.].

Objective: To determine the incidence and clinical and histopathological characteristics of patients with prostatic evanescent carcinoma in the Urology Department of the Hospital Universitario de Caracas.

Methods: We reviewed the medical records of 257 patients undergoing radical prostatectomy for a previous diagnosis of prostatic carcinoma in the period January 2010 to June 2016.

Results: Four patients had evanescent carcinoma corresponding to 1.