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Difference between revisions of "Fibroblastic/myofibroblastic tumours"
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Fibroblastic/myofibroblastic tumours (view source)
Revision as of 04:16, 4 October 2011
, 04:16, 4 October 2011→Calcifying fibrous tumour: +adult fibrosarcoma
m (→Malignant) |
(→Calcifying fibrous tumour: +adult fibrosarcoma) |
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| Line 266: | Line 266: | ||
*Psammomatous calcifications. | *Psammomatous calcifications. | ||
*Focal plasma cells at the periphery. | *Focal plasma cells at the periphery. | ||
==Adult fibrosarcoma== | |||
*[[AKA]] ''fibrosarcoma''. | |||
*Should '''not''' be confused with [[infantile fibrosarcoma]]. | |||
===General=== | |||
*Malignant. | |||
*Older adults. | |||
*Locations: head & neck, extremities. | |||
===Microscopic=== | |||
Feature:<ref name=Ref_WMSP611>{{Ref WMSP|611}}</ref> | |||
*Spindle cell lesion. | |||
*Herring bone pattern - '''key feature'''. | |||
*Mitoses. | |||
DDx (herring bone): | |||
*MPNST. | |||
*Synovial sarcoma. | |||
*Fibrosarcoma. | |||
DDx: | |||
*[[DFSP]] - t(17;22). | |||
*Congenital-infantile fibrosarcoma - t(12;15) ETV6/NTRK3. | |||
*[[Solitary fibrous tumour]]. | |||
*[[Synovial sarcoma]] - t(X;18) SYT/SSX. | |||
*[[MPNST]]. | |||
Images: | |||
* | |||
===IHC=== | |||
Features:<ref name=Ref_WMSP611>{{Ref WMSP|611}}</ref> | |||
*Vimentin. | |||
*SMA. | |||
==See also== | ==See also== | ||