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J Korean Radiol Soc. 1997 Jul;37(1):129-131. Korean. Case Report. https://doi.org/10.3348/jkrs.1997.37.1.129
Yu WJ , Byun JY , Lee HG , Yoon JY , Choi YJ , Shinn KS .
Department of Radiology, The Catholic University of Korea.
Department of Urology, The Catholic University of Korea.
Department of Pathology, The Catholic University of Korea.
Abstract

Sarcomatoid transitional cell carcinoma is a rare malignant epithelial neoplasm arising at the bladder, in which the tumor cells assume a spindle shape. This tumor accounts for approximately 0.3% of all bladder malignancies and has been reported in the renal pelvis and ureter. We encountered a case of histopathologically proven sarcomatoid transitional cell carcinoma of the left kidney in a 76-year-old male. Abdominal CT scans showed a large heterogeneous mass of solid and cystic components, with mural calcification and hematoma in the upper pole of the left kidney.

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