ArticleUrology case reports2026
Primary renal Ewing sarcoma with extensive metastatic disease at diagnosis: A case report and literature review.
Article in Urology case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
Primary renal Ewing sarcoma (PRES) is an exceedingly rare and aggressive neoplasm. We report a 43-year-old woman with left flank pain and a palpable abdominal mass. Imaging revealed a large renal mass with adrenal, pulmonary, and osseous involvement, staged cT4N1M1. Biopsy showed a small round blue cell neoplasm positive for CD99, NKX2.2, and FLI-1, with EWSR1-FLI1 fusion confirmed by FISH. Palliative systemic chemotherapy achieved partial symptom control, and the patient remains under multidisciplinary follow-up. This case underscores the need for integrated morphological, immunohistochemical, and molecular diagnosis and shows that multimodal treatment can achieve clinical response despite metastatic disease.
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