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Difference between revisions of "Soft tissue lesions"
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→Tumours of uncertain differentiation: +synovial sar
m (→WHO classification of soft tissue tumours: prevalence, most common) |
(→Tumours of uncertain differentiation: +synovial sar) |
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| Line 349: | Line 349: | ||
*Grade III: nuclear pleomorphism, mitoses common. | *Grade III: nuclear pleomorphism, mitoses common. | ||
*Grade II: between Grade I and Grade III. | *Grade II: between Grade I and Grade III. | ||
==Synovial sarcoma== | |||
===General=== | |||
*Does not arise from cartilage.<ref>WMSP P.627.</ref> | |||
===Microscopic=== | |||
Comes in three flavours:<ref>WMSP P.627.</ref><ref>{{cite journal |author=Schaal CH, Navarro FC, Moraes Neto FA |title=Primary renal sarcoma with morphologic and immunohistochemical aspects compatible with synovial sarcoma |journal=Int Braz J Urol |volume=30 |issue=3 |pages=210–3 |year=2004 |pmid=15689250 |doi= |url=http://www.brazjurol.com.br/may_june_2004/Schaal_ing_210_213.htm}}</ref> | |||
#Spindle cell sarcoma with features of hemangiopericytoma, i.e. staghorn vessels. | |||
#Biphasic synovial sarcoma: | |||
##Spindle cells with features of hemangiopericytoma. | |||
##Epitheliod glands or nests. | |||
#Primative round cell type. | |||
Images: | |||
*[http://www.scielo.br/img/revistas/ibju/v30n3/3a06f03.jpg Synovial sarcoma (scielo.br)]. | |||
=See also= | =See also= | ||