Mucinous Tubular and Spindle Cell Carcinoma of the Kidney: A Rare Renal Neoplasm-Case Report and Literature Review.

ABSTRACT: Background and Clinical Significance: Mucinous tubular and spindle cell carcinoma (MTSCC) is an uncommon subtype of renal cell carcinoma, representing 1-4% of epithelial renal tumors. It usually shows a low-grade morphology and indolent behavior, although sarcomatoid variants with an aggressive course have been described. Because of its overlap with papillary renal cell carcinoma (papRCC), sarcomatoid RCC, mesenchymal tumors, and oncocytic neoplasms, diagnosis requires the integration of imaging, histopathology, and immunohistochemistry. Case Presentation: We report a 71-year-old female who presented with a three-month history of right-sided lumbar pain and intermittent hematuria. Her laboratory tests were unremarkable. Contrast-enhanced CT revealed a well-circumscribed nodul

SUBMITTER: Burlacu I 

PROVIDER: S-EPMC12643401 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature