Reviewers: Komal Arora, M.D., (see Reviewers page)
Revised: 26 July 2012, last major update July 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.
● Most common sarcoma in adults
● Causes obstruction, involves adjacent organs
● Mean survival 3-4 years
● Tend to recur
● Metastases to liver and lung
● Nodular hyperplasia with atypical changes: not invasive, no mitotic figures (Cancer 1995;76:1422, Sarcoma 2008;2008:458709)
● Postoperative spindle cell nodules: clinical history, not invasive, no atypical mitotic figures
● Rectal GIST: may be difficult to differentiate (Nihon Hinyokika Gakkai Zasshi 2001;92:624)
End of Prostate > Other malignancies > Leiomyosarcoma
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