THE EVOLUTION OF PRIMARY URETERAL LEIOMYOSARCOMA: CASE STUDY
Abstract:
The most common primary neoplasm of obstructive reno-ureteral pathology is transitional
cell carcinoma, while soft tissue sarcomas, in our case primary leiomyosarcoma, have a very low
frequency in this anatomical location. The diagnosis of certainty is provided by histopathological
examination following the nephroureterectomy.(1) Due to the aggressiveness of this sarcoma,
chemotherapeutic treatments become ineffective, with a poor prognosis, given the short survival of
reported cases.(2,7) The gold standard in treating leiomyosarcomas is performing
nephroureterectomy with en bloc excision of the tumor.(3,4) We introduce the case of a 65-year-old
patient who presented to our department with a diagnosis of primary ureteral leiomyosarcoma.
Subsequent to the polychemotherapy treatments, the aggressiveness of this pathology led to the
unfavourable evolution of the case.
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