Renal cell carcinoma with intra-operatively identified encapsulated intra-luminal tumour extension throughout the entire ureter

Thrombus Masquerading a Double J Ureteric Stent

“…As another explanation, it could be due to necrosis of the vasculature deprived distal ureteric extension of the tumor infiltrating into the pelvicalyceal system. [ 4 ] However, in the current TNM staging system,[ 5 ] such intraluminal tumor extension down into the ureter with or without wall infiltration is not described, warranting more distal surgical extent along with preoperative cystoscopy even in RCCs. However, to the best of our knowledge, RCC with an atypical clot masquerading as a DJ ureteric stent is a unique presentation.…”