Difference between revisions of "Femoral head"

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[[Image:Head of femur.jpg|thumb|right|300px|Femoral head. (WC)]]
The '''femoral head''' is a common [[ditzel]] in surgical pathology at centres which have orthopaedic surgeons.
The '''femoral head''' is a common [[ditzel]] in surgical pathology at centres which have orthopaedic surgeons.


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==Fracture of bone due to metastatic carcinoma==
==Fracture of bone due to metastatic carcinoma==
{{Main|Fracture of bone}}
{{Main|Fracture of bone}}
*[[AKA]] ''pathologic fracture''.
:''Pathologic fracture'' redirects here, as the underlying cause is usually a carcinoma.
===General===
===General===
*Uncommon ~ 10 of 90 suspected cases.<ref name=pmid15826621>{{Cite journal  | last1 = Ramisetty | first1 = NM. | last2 = Pynsent | first2 = PB. | last3 = Abudu | first3 = A. | title = Fracture of the femoral neck, the risk of serious underlying pathology. | journal = Injury | volume = 36 | issue = 5 | pages = 622-6 | month = May | year = 2005 | doi = 10.1016/j.injury.2004.08.034 | PMID = 15826621 }}</ref>
*Uncommon ~ 10 of 90 suspected cases.<ref name=pmid15826621>{{Cite journal  | last1 = Ramisetty | first1 = NM. | last2 = Pynsent | first2 = PB. | last3 = Abudu | first3 = A. | title = Fracture of the femoral neck, the risk of serious underlying pathology. | journal = Injury | volume = 36 | issue = 5 | pages = 622-6 | month = May | year = 2005 | doi = 10.1016/j.injury.2004.08.034 | PMID = 15826621 }}</ref>
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===Gross===
===Gross===
*Irregular/jagged femoral neck margin.
*Irregular/jagged femoral neck margin - '''important'''.
*Hemorrhage.
*Hemorrhage.


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*[[Osteoporosis]] - thinner cortex, decreased trabecular thickness and number.<ref name=pmid18708176>{{Cite journal  | last1 = Blain | first1 = H. | last2 = Chavassieux | first2 = P. | last3 = Portero-Muzy | first3 = N. | last4 = Bonnel | first4 = F. | last5 = Canovas | first5 = F. | last6 = Chammas | first6 = M. | last7 = Maury | first7 = P. | last8 = Delmas | first8 = PD. | title = Cortical and trabecular bone distribution in the femoral neck in osteoporosis and osteoarthritis. | journal = Bone | volume = 43 | issue = 5 | pages = 862-8 | month = Nov | year = 2008 | doi = 10.1016/j.bone.2008.07.236 | PMID = 18708176 }}</ref>
*[[Osteoporosis]] - thinner cortex, decreased trabecular thickness and number.<ref name=pmid18708176>{{Cite journal  | last1 = Blain | first1 = H. | last2 = Chavassieux | first2 = P. | last3 = Portero-Muzy | first3 = N. | last4 = Bonnel | first4 = F. | last5 = Canovas | first5 = F. | last6 = Chammas | first6 = M. | last7 = Maury | first7 = P. | last8 = Delmas | first8 = PD. | title = Cortical and trabecular bone distribution in the femoral neck in osteoporosis and osteoarthritis. | journal = Bone | volume = 43 | issue = 5 | pages = 862-8 | month = Nov | year = 2008 | doi = 10.1016/j.bone.2008.07.236 | PMID = 18708176 }}</ref>
*[[Osteoarthritis]].
*[[Osteoarthritis]].
Note:
*There isn't a number for "thin" trabeculae. Anecdotally, I suspect "thin" is 0.15-0.2 mm.
**Crude guess at normal thickness is ~ 0.4 mm.<Ref name=pmid24271010>{{Cite journal  | last1 = Klintström | first1 = E. | last2 = Smedby | first2 = O. | last3 = Moreno | first3 = R. | last4 = Brismar | first4 = TB. | title = Trabecular bone structure parameters from 3D image processing of clinical multi-slice and cone-beam computed tomography data. | journal = Skeletal Radiol | volume =  | issue =  | pages =  | month = Nov | year = 2013 | doi = 10.1007/s00256-013-1766-5 | PMID = 24271010 }}</ref>


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