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Difference between revisions of "Bone"
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→Others: +desmoplastic fibroma
(→Bone: tweak) |
(→Others: +desmoplastic fibroma) |
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| Line 175: | Line 175: | ||
Notes: | Notes: | ||
*No osteoblastic rimming. | *No osteoblastic rimming. | ||
DDx: | |||
*Desmoplastic fibroma - has lamellar bone. | |||
*Low grade fibrosarcoma. | |||
Image: | Image: | ||
*[http://www.pathologypics.com/pictview.aspx?id=104 Fibrous dysplasia of bone - high mag. (pathologypics.com)]. | *[http://www.pathologypics.com/pictview.aspx?id=104 Fibrous dysplasia of bone - high mag. (pathologypics.com)]. | ||
*[http://www.pathologypics.com/BigPicViewer.aspx?PictureID=103 Fibrous dysplasia of bone - low mag. (pathologypics.com)]. | *[http://www.pathologypics.com/BigPicViewer.aspx?PictureID=103 Fibrous dysplasia of bone - low mag. (pathologypics.com)]. | ||
==Desmoplastic fibroma== | |||
===General=== | |||
*Rare. | |||
===Microscopic=== | |||
Features:<ref>URL: [http://www.bonetumor.org/tumors-fibrous-tissue/desmoplastic-fibroma http://www.bonetumor.org/tumors-fibrous-tissue/desmoplastic-fibroma]. Accessed on: 14 April 2011.</ref> | |||
*Lamellar bone. | |||
*Fibrotic marrow space with: | |||
**Collagen. | |||
**Low cellularity. | |||
**Spindle cells without significant atypia. | |||
DDx: | |||
*Fibrous dysplasia - has woven bone. | |||
*Low grade fibrosarcoma. | |||
=See also= | =See also= | ||