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vesical smooth muscle tumors

Tuesday 23 February 2010

Smooth muscle neoplasms of the urinary bladder are relatively rare.

Types

- leiomyomas
- leiomyosarcoma

Leiomyoma (including symplastic leiomyoma) may be diagnosed on transurethral resection without risk of underdiagnosing unsampled leiomyosarcoma.

High-grade leiomyosarcomas are highly aggressive neoplasms compared with low-grade leiomyosarcomas; in most cases grade can be accurately determined on transurethral resection.

References

- Smooth Muscle Neoplasms of the Urinary Bladder: A Clinicopathologic Study of 51 Cases. Lee TK, Miyamoto H, Osunkoya AO, Guo CC, Weiss SW, Epstein JI. Am J Surg Pathol. 2010 Feb 11. PMID: #20154594#