Evaluation of incidence and histolopathological findings of soft tissue sarcomas in genitourinary tract: Uludag university experience

Vol. 44 (x): 2018 June 6.[Ahead of print]

doi: 10.1590/S1677-5538.IBJU.2018.0048


ORIGINAL ARTICLE

Berna Aytac Vuruskan 1, Mıne Ozsen 1, Burhan Coskun 2, Ulviye Yalcinkaya 1
1 Department of Surgical Pathology, Uludag University, Faculty of Medicine, Bursa, Turkey; 2 Department of Urology, Uludag University, Faculty of Medicine, Bursa, Turkey

ABSTRACT

Purpose: In this study we aimed to review urological soft tissue sarcomas of genito­urinary tract that were diagnosed in our institution and their prognostic factors for survival.

Materials and Methods: The clinical and pathological records of 31 patients who had diagnosis of soft tissue sarcomas primarily originating from the genitourinary tract between 2005-2011 were reviewed.

Results: The most common site was kidney (17 cases, 54.8%), and most common di­agnosis was leiomyosarcoma (11 cases, 35.4%). A total of 24 patients (77.4%) had surgical excision. The surgical margins were positive in 7 patients who presented with local recurrence after primary resection. Twelve patients developed metastatic disease. During follow-up (range 9-70 month), 26 of the 31 patients (88.9%) were alive. Sig­nificant survival differences were found according to histological type (p: 0.001), with lower survival rates for malignant fibrous histiocytoma. The tumor size, the presence of metastasis at the time of diagnosis and tumor localization were not statistically significant for overall survival.

Conclusions: In our series, prostate sarcomas, paratesticular rhabdomyosarcoma and malignant fibrous histiocytoma had poor prognosis, especially in patients presenting with metastatic disease.

Keywords: Genitourinary Tract Anomalies [Supplementary Concept]; Sarcoma; Survival

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