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Difference between revisions of "Forensic pathology"
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→Bone fractures: more
m (→Gross pathologic classification of wounds: tweak) |
(→Bone fractures: more) |
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| Line 302: | Line 302: | ||
==Healing of fractures== | ==Healing of fractures== | ||
Simplified classification | ===Simplified classification=== | ||
*Primary callus (cartilaginous) - early. | *Primary callus (cartilaginous) - early. | ||
*Secondary callus (bone) - late. | *Secondary callus (bone) - late. | ||
===Microscopic=== | |||
Features: | |||
*Fragmentation of bone. | |||
*+/-Dead bone = lacunae have no osteocytes. | |||
*+/-Inflammatory cells. | |||
*+/-Hemosiderin-laden macrophages. | |||
*+/-Osteoblastic rimming. | |||
DDx: | |||
*Fracture secondary to a tumour: | |||
**Metastatic carcinoma. | |||
**[[Osteosarcoma]] - typically does '''not''' have osteoblastic rimming. | |||
Notes: | Notes: | ||
*Radiology is not good at dating fratures | *Radiology is not good at dating fratures;<ref name=pmid15788611>{{Cite journal | last1 = Prosser | first1 = I. | last2 = Maguire | first2 = S. | last3 = Harrison | first3 = SK. | last4 = Mann | first4 = M. | last5 = Sibert | first5 = JR. | last6 = Kemp | first6 = AM. | title = How old is this fracture? Radiologic dating of fractures in children: a systematic review. | journal = AJR Am J Roentgenol | volume = 184 | issue = 4 | pages = 1282-6 | month = Apr | year = 2005 | doi = | PMID = 15788611 | url=http://www.ajronline.org/cgi/content/full/184/4/1282 }} | ||
</ref> | </ref> however, it is good at finding 'em. | ||
==Pattern and cause== | ==Pattern and cause== | ||