Rapid metachronous bladder metastasis of type 2 papillary renal cell carcinoma

Ahmed Elabbady, Ryan Boudreau, Vahid Mehrnoush, Mona Salem, Ahmed Fahmy, Rawan Elabbady, Ahmed Kotb


Renal cell carcinoma (RCC) frequently spreads to distant organs like the lung, lymph nodes, bone, and liver. However, there have been some reports of RCC bladder metastasis. We present a case of a 61-year-old man presented with total painless gross hematuria. The patient had a history of right radical nephrectomy for papillary (type 2) RCC, high-grade, pT3a with negative surgical margins. There was no evidence of metastases on 6-month surveillance CT. After one-year post-operation, at this current admission, the cystoscopy discovered a solid bladder mass away from the trigone in the right lateral bladder wall. The resected bladder mass was metastatic papillary RCC with PAX-8 positive but GATA-3 negative on immunostaining. A positron emission tomography scan confirmed multiple lung, liver, and osseous metastases. This case report can highlight the importance of having bladder metastasis in RCC mind, although rare, and may necessitate the surveillance measures like urine analysis at more frequent interval and CT Urography instead of regular CT to detect the RCC metastatic bladder cancer at early stage.


Renal cell carcinoma; Bladder metastasis; Papillary cell

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DOI: http://dx.doi.org/10.22551/2023.39.1002.10249

Copyright (c) 2023 Ahmed Elabbady, Ryan Boudreau, Vahid Mehrnoush, Mona Salem, Ahmed Fahmy, Rawan Elabbady, Ahmed Kotb

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