[Spermatic cord liposarcoma. Report of two cases and bibliographic review.].

Objective: We report two cases of patients diagnosed of paratesticular liposarcoma and perform a literature review of this rare entity. Our aim is to clarify its clinical and therapeutic characteristics.

Methods: Retrospective review of the medical records of two patients diagnosed of liposarcoma of the spermatic cord.

[Evolution of the clinical presentation of renal cancer. Fifteen years experience].

Objective: To evaluate the evolution of the clinical presentation of this malignancy over time, and its possible prognostic repercussions.

Methods: A retrospective study of 538 patients subjected to surgery due to renal cancer in our hospital during the period 1995-2011. An analysis was made of the evolution of the clinical manifestations at the time of diagnosis, stratifying the results by years during four time periods.