Case Report
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World J Clin Cases. Jun 16, 2014; 2(6): 215-218
Published online Jun 16, 2014. doi: 10.12998/wjcc.v2.i6.215
Pyonephrosis as a sign of sarcomatoid carcinoma of the renal pelvis
Sergio Fernández-Pello, Victoria Venta, Iván González, Rodrigo Gil, Carmen Luz Menéndez
Sergio Fernández-Pello, Iván González, Rodrigo Gil, Department of Urology, Cabueñes Hospital, 33394 Gijón, Spain
Victoria Venta, Carmen Luz Menéndez, Department of Pathology, Cabueñes Hospital, 33394 Gijón, Spain
Author contributions: All the authors equally contributed to this paper.
Correspondence to: Sergio Fernández-Pello, MD, Department of Urology, Cabueñes Hospital, Calle de los prados 395, 33394 Gijón, Spain. spello84@hotmail.com
Telephone: +43-512-50423401 Fax: +43-512-50424052
Received: December 13, 2013
Revised: January 6, 2014
Accepted: May 8, 2014
Published online: June 16, 2014
Processing time: 189 Days and 13.6 Hours
Core Tip

Core tip: Sarcomatoid transitional cell carcinoma is an invasive and rare subtype of urothelial tumors. The symptoms are often the same as other renal masses; however, in this case, sepsis and pyonephrosis were the rare initial symptoms.