[Primary testicular lymphoma. Report of two cases and bibliographic review].

Objective: We report two cases of primary testicular lymphoma and performed a bibliography review about this pathology.

Methods/results: We describe two cases of primary testicular lymphoma in two male patients 69 and 61 yr. old respectively.

[Old schwannoma: a rare type of schwannoma].

Objectives: We report one case of retroperitoneal schwannoma with unfrequent histological characteristics evaluating its clinical significance and therapeutic options.

Methods: We report the case of a benign retroperitoneal schwannoma as an incidental MRI finding in a 70 year-old female patient with symptoms of lumbosciatic pain for 6 months. We perform a bibliographic review.

[Sarcomatoid renal carcinoma. Report of 2 cases].

Objective: To describe two cases of sarcomatoid renal carcinoma, one of them is alive after five years from surgery.

Methods: Both patients had undergone radical nephrectomy, without complementary treatment.

Results: One patient is alive after five years; the second patient presented acute renal failure and died after five days from surgery.