Difference between revisions of "Bone"

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Tumours often spread to bone and occasionally arise in bone.  Bone tumours are dealt with in the ''[[bone tumours]]'' article.
Tumours often spread to bone and occasionally arise in bone.  Bone tumours are dealt with in the ''[[bone tumours]]'' article.


==Normal==
=Normal bone=
==Bone==
*Normal bone has osteocytes.
*Normal bone has osteocytes.
**If the osteocytes are missing... the bone is dead.
**If the osteocytes are missing... the bone is dead.
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Memory device: 'b' before 'c'.
Memory device: 'b' before 'c'.
==Hyperostosis frontalis interna==
*Extra-thick frontal bone.<ref>URL: [http://radiopaedia.org/articles/hyperostosis_frontalis_interna http://radiopaedia.org/articles/hyperostosis_frontalis_interna]. Accessed on: 29 September 2010.</ref>
*No clinical significance -- just has to be recognized as a "nothing".


==Bone marrow==
==Bone marrow==
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*Immature hematopoeitic cells adjacent to the bone.
*Immature hematopoeitic cells adjacent to the bone.


==Infectious==
=Benign variants=
===Osteomyelitis===
==Hyperostosis frontalis interna==
*Extra-thick frontal bone.<ref>URL: [http://radiopaedia.org/articles/hyperostosis_frontalis_interna http://radiopaedia.org/articles/hyperostosis_frontalis_interna]. Accessed on: 29 September 2010.</ref>
*No clinical significance -- just has to be recognized as a "nothing".
 
=Infections=
==Osteomyelitis==
General
General
*Hematogenous - often in children.
*Hematogenous - often in children.
*Direct entry (skin defect) - adults with diabetes.
*Direct entry (skin defect) - adults with diabetes.


====Microscopic====
===Microscopic===
*PMNs.
*[[PMN]]s.


===Chronic osteomyelitis===
==Chronic osteomyelitis==
*Plasma cells.
*Plasma cells.
**May be sterile, i.e. no organisms.
**May be sterile, i.e. no organisms.


==Bone tumours==
=Bone tumours=
{{Main|Bone tumours}}
{{Main|Bone tumours}}
This is a big topic.  It is dealt with in a separate article.   
This is a big topic.  It is dealt with in a separate article.   
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The bone tumour article covers tumour mimics, e.g. brown cell tumour.
The bone tumour article covers tumour mimics, e.g. brown cell tumour.


==Fractures==
=Fractures=
{{Main|Forensic pathology}}
{{Main|Forensic pathology}}
This is dealt with in the ''forensic pathology'' article.
This is dealt with in the ''forensic pathology'' article.


==Others==
=Others=
The following is a collection of weird stuffs.
The following is a collection of weird stuffs.


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*[http://commons.wikimedia.org/wiki/File:Paget_disease_of_bone_-_intermed_mag.jpg Paget disease - bone - intermed. mag. (WC)].
*[http://commons.wikimedia.org/wiki/File:Paget_disease_of_bone_-_intermed_mag.jpg Paget disease - bone - intermed. mag. (WC)].


==See also==
=See also=
*[[Hematopathology]].
*[[Hematopathology]].
*[[Soft tissue lesions]].
*[[Soft tissue lesions]].
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*[[Cartilage]].
*[[Cartilage]].


==References==
=References=
{{reflist|2}}
{{reflist|2}}


[[Category:Weird stuff]]
[[Category:Weird stuff]]
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