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m (→Osteoid osteoma: image) |
(→Osteoid osteoma: +osteoblastoma) |
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Features:<ref name=Ref_Sternberg4_285>{{Ref Sternberg4|285}}</ref> | Features:<ref name=Ref_Sternberg4_285>{{Ref Sternberg4|285}}</ref> | ||
*Anastomosing bony [[trabeculae]] with: | *Anastomosing bony [[trabeculae]] with: | ||
**Variable mineralization | **Variable mineralization. | ||
***Mineralization (calcium '''p'''hosphate) = '''p'''urple on [[H&E stain]]. | ***Mineralization (calcium '''p'''hosphate) = '''p'''urple on [[H&E stain]]. | ||
** | **Osteoblasts rimming. | ||
***Cells line-up at edge of bone. | ***Cells line-up at edge of bone. | ||
Images: | |||
*[http://library.med.utah.edu/WebPath/COW/COW211.html Osteoid osteoma - CT scan (med.utah.edu)]. | *[http://library.med.utah.edu/WebPath/COW/COW211.html Osteoid osteoma - CT scan (med.utah.edu)]. | ||
*[http://www.sciencephoto.com/images/imagePopUpDetails.html?pop=1&id=700030210&pviewid=&country=67&search=gschmeissners&matchtype=FUZZY Osteoid osteoma (sciencephoto.com)]. | *[http://www.sciencephoto.com/images/imagePopUpDetails.html?pop=1&id=700030210&pviewid=&country=67&search=gschmeissners&matchtype=FUZZY Osteoid osteoma (sciencephoto.com)]. | ||
*[http://commons.wikimedia.org/w/index.php?title=File:Osteoblastoma_-_high_mag.jpg Osteoblastoma - high mag. (WC)] - histological similar to OO. | |||
**[http://commons.wikimedia.org/w/index.php?title=File:Osteoblastoma_-_low_mag.jpg Osteoblastoma - low mag. (WC)] - histological similar to OO. | |||
Notes: | Notes: | ||
*Histomorphologically near identical/indistinguishable from ''osteoblastoma''.<ref name=Ref_Sternberg4_286>{{Ref Sternberg4|286}}</ref> | *Histomorphologically near identical/indistinguishable from ''osteoblastoma''.<ref name=Ref_Sternberg4_286>{{Ref Sternberg4|286}}</ref> | ||
==Osteoblastoma== | |||
===General=== | |||
*Benign bone tumour. | |||
===Microscopic=== | |||
Features:<ref name=Ref_Sternberg4_285>{{Ref Sternberg4|285}}</ref> | |||
*Anastomosing bony [[trabeculae]] with: | |||
**Osteoblasts rimming. | |||
***Cells line-up at edge of bone. | |||
Notes: | |||
*Histomorphologically near identical/indistinguishable from ''osteoid osteoma''.<ref name=Ref_Sternberg4_286>{{Ref Sternberg4|286}}</ref> | |||
*'''Must''' be greater 1.5 cm by definition.<ref name=Ref_Sternberg4_286>{{Ref Sternberg4|286}}</ref> | |||
Images: | |||
*[http://commons.wikimedia.org/w/index.php?title=File:Osteoblastoma_-_high_mag.jpg Osteoblastoma - high mag. (WC)]. | |||
**[http://commons.wikimedia.org/w/index.php?title=File:Osteoblastoma_-_low_mag.jpg Osteoblastoma - low mag. (WC)]. | |||
==Ewing sarcoma== | ==Ewing sarcoma== |
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