Stromal osseous metaplasia in carcinoma of the bladder.
case_report · Level V
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- Record sourced from PubMed, PMID 1900893.
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Abstract
Osseous metaplasia of the stroma of carcinomas of the bladder is a rare finding that must be distinguished from osteosarcoma and carcinosarcoma. We report a case of multifocal osseous metaplasia in a high grade urothelial carcinoma with extensive glandular differentiation, arising in the base of the bladder of an 84-year-old man. Reports of 11 other cases of stromal osseous metaplasia in primary bladder carcinomas and of 5 cases of stromal osseous metaplasia in metastases of bladder carcinoma are reviewed.
Medical subject headings
- Carcinoma, Transitional Cell
- Urinary Bladder Neoplasms