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Difference between revisions of "Forensic pathology"
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→Classification of wounds: more
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*Intussusception of small bowel - often multiple. | *Intussusception of small bowel - often multiple. | ||
== | ==Wounds== | ||
=== | ===Classification (gross pathology)=== | ||
Mnemonic ''CALI'': | Mnemonic ''CALI'': | ||
*'''C'''ontusion - "bruise", haematoma. | *'''C'''ontusion - "bruise", haematoma. | ||
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*#"Stab" = depth > length. | *#"Stab" = depth > length. | ||
===DDx=== | ====DDx==== | ||
How to decide what you're looking at: | How to decide what you're looking at: | ||
*Contusion: | *Contusion: | ||
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**Lacerations are usually associated with a contusion and/or crush and have an irregular margin.<ref name=Ref_HospAuto109>{{Ref HospAuto|109}}</ref> | **Lacerations are usually associated with a contusion and/or crush and have an irregular margin.<ref name=Ref_HospAuto109>{{Ref HospAuto|109}}</ref> | ||
**Lacerations are classically on the skull and face. They are rarely on the abdomen. | **Lacerations are classically on the skull and face. They are rarely on the abdomen. | ||
===Dating=== | |||
*Colour is somewhat useful for bruises. | |||
*Post-mortem injuries tend to be orange-yellow.<ref pmid19237864>{{Cite journal | last1 = Campobasso | first1 = CP. | last2 = Marchetti | first2 = D. | last3 = Introna | first3 = F. | last4 = Colonna | first4 = MF. | title = Postmortem artifacts made by ants and the effect of ant activity on decompositional rates. | journal = Am J Forensic Med Pathol | volume = 30 | issue = 1 | pages = 84-7 | month = Mar | year = 2009 | doi = 10.1097/PAF.0b013e318187371f | PMID = 19237864 }}</ref> | |||
===Microscopic=== | |||
Wounds can be grouped into: | |||
*Pre-mortem. | |||
*Post-mortem. | |||
Signs a wound was inflicted during life: | |||
*Blood. | |||
**Hypostasis/decomposition can mess with this, i.e. blood oozing out of vessels post-mortem shouldn't be called an injury. | |||
**Hemosiderin demonstrated by an iron stain - hard sign. | |||
*Inflammation:<ref name=Ref_PCPBoD8_26>{{Ref PCPBoD8|26}}</ref> | |||
**[[PMN]]s 6-24 hours after injury. | |||
**PMNs replaced monocytes in 24-48 hours. | |||
==Fractures== | ==Fractures== | ||