Urinary bladder metastasis
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Urinary bladder metastasis, also metastasis to the bladder, 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]
A 2007 review of the literature found:[2]
- 264 reported cases from 1953 to June 2005 - most from GU tract and the colorectum.
- Distant site includes breast, stomach and melanoma.
Microscopic
Features:
- Dependent on the primary site.
DDx:
- Urothelial carcinoma with unusual features.
- Primary adenocarcinoma of the urinary bladder.
- Urachal carcinoma.
- Direct extension of primary tumour from other primary site, e.g. prostate, rectum.
Images
- Clear cell renal cell carcinoma metastasis to bladder -- very low mag.jpg
CCRCC in bladder - very low mag. (WC)
- Clear cell renal cell carcinoma metastasis to bladder -- low mag.jpg
CCRCC in bladder - low mag. (WC)
- Clear cell renal cell carcinoma metastasis to bladder -- intermed mag.jpg
CCRCC in bladder - intermed. mag. (WC)
- Clear cell renal cell carcinoma metastasis to bladder -- high mag.jpg
CCRCC in bladder - high mag. (WC)
See also
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.
- ↑ Velcheti, V.; Govindan, R. (Feb 2007). "Metastatic cancer involving bladder: a review.". Can J Urol 14 (1): 3443-8. PMID 17324324.