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Difference between revisions of "Soft tissue lesions"
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→Grading: +lymph node mets in sarcoma
(→Microscopic: +DDx) |
(→Grading: +lymph node mets in sarcoma) |
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| Line 153: | Line 153: | ||
*Cellularity (cells/matrix) > 50%. | *Cellularity (cells/matrix) > 50%. | ||
*Necrosis >15% - microscopic (without targeting necrosis grossly) ''or'' grossly. | *Necrosis >15% - microscopic (without targeting necrosis grossly) ''or'' grossly. | ||
==Stage== | |||
*[[Lymph node]] (LN) spread is uncommon in sarcomas; [[lymph node metastases]] are seen in <3% of cases.<ref name=pmid8424704>{{Cite journal | last1 = Fong | first1 = Y. | last2 = Coit | first2 = DG. | last3 = Woodruff | first3 = JM. | last4 = Brennan | first4 = MF. | title = Lymph node metastasis from soft tissue sarcoma in adults. Analysis of data from a prospective database of 1772 sarcoma patients. | journal = Ann Surg | volume = 217 | issue = 1 | pages = 72-7 | month = Jan | year = 1993 | doi = | PMID = 8424704 | PMC = 1242736}}</ref> | |||
Only a handful of sarcomas spread to the lymph nodes - mnemonic ''RACE For MS'':<ref>URL: [http://www.aippg.net/forum/f21/surgery-mnemonics-79897/ http://www.aippg.net/forum/f21/surgery-mnemonics-79897/]. Accessed on: 23 March 2012.</ref> | |||
*[[rhabdomyosarcoma|'''R'''habdomyosarcoma]] | |||
*[[Angiosarcoma|'''A'''ngiosarcoma]]. | |||
*[[clear cell sarcoma|'''C'''lear cell sarcoma]]. | |||
*[[epithelioid sarcoma|'''E'''pitheliod sarcoma]]. | |||
*[[fibrosarcoma|'''F'''ibrosarcoma]]. | |||
*[[pleomorphic undifferentiated sarcoma|'''M'''alignant fibrous histiocytoma (pleomorphic undifferentiated sarcoma]]. | |||
*[[synovial sarcoma|'''S'''ynovial cell sarcoma]]. | |||
==DDx by history/site== | ==DDx by history/site== | ||