Urinary bladder metastasis
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Urinary bladder metastasis is cancer that has spread to the urinary bladder from another primary site and is discontinuous with the primary tumour.
General
- Rare - mostly case reports.
- Renal cell carcinoma ~ series of 11 cases.[1]
Microscopic
Features:
- Dependent on the primary site.
DDx:
- Urothelial carcinoma with unusual features.
- Primary adenocarcinoma of the bladder.
- Urachal carcinoma.
- Direct extension of primary tumour from other primary site, e.g. prostate, rectum.
References
- ↑ Zhang, M.; Wah, C.; Epstein, JI. (Nov 2014). "Metastatic renal cell carcinoma to the urinary bladder: a report of 11 cases.". Am J Surg Pathol 38 (11): 1516-21. doi:10.1097/PAS.0000000000000257. PMID 25140895.