Bone: Difference between revisions
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{{Top | <noinclude>{{Top | ||
|author1=[[User:Mikael Häggström|Mikael Häggström]] | |author1=[[User:Mikael Häggström|Mikael Häggström]] | ||
|author2= | |author2= | ||
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==Subregions== | ==Subregions== | ||
*[[Bone marrow]] | *[[Bone marrow]] | ||
==Presentations== | |||
*[[Osteomyelitis]] | |||
*[[Toe]] | |||
*[[Avascular necrosis]] | |||
*'''Bone tumors''': Generally correlate with age, location and radiology. | |||
</noinclude> | |||
==Grossing== | |||
To submit slides for microscopy, generally gross as follows: | |||
*'''Split''' the bone in the plane of interest for microscopy slides. | |||
*'''Fix''' the bone in formalin. | |||
*Perform '''decalcification''' of the specimen. First, generally take at least a small piece to be kept separately in formalin, in case the main specimen becomes necrotic, so that you have at least one more chance to decalcify it more lightly. If the order and/or history is suspicious for metastasis, try to sample a part of the specimen that is soft enough to not need decalcification (to avoid the risk that decalcification will impair later [[immunohistochemistry]] or other testing). | |||
*Take the '''sections''' of interest. | |||
==Microscopic evaluation== | ==Microscopic evaluation== | ||
Look for any of the following: | Look for any of the following: | ||
<gallery> | <gallery> | ||
File:Histopathology of acute osteomyelitis.jpg|Acute '''osteomyelitis''': Numerous neutrophils in the stroma. | File:Histopathology of acute osteomyelitis.jpg|Acute '''[[osteomyelitis]]''': Numerous neutrophils in the stroma. | ||
</gallery> | </gallery> | ||
===Metastasis=== | |||
Highly suspicious [[prostate adenocarcinoma]] metastasis can be confirmed with NKX1, TTF1 and CDX2. | |||
{{Bottom}} | {{Bottom}} | ||