Abrasion collar

The denuded area of skin seen around projectile wounds is called an abrasion collar. Though this findings is often seen around rifled firearm entry wounds, some other high speed projectile wounds can also have this finding.[1] A similar finding is also likely in firearm exit wounds if the skin at the exit was crushed between the outgoing bullet and an unyielding object pressed against the skin over the exit site.[2]

The bullet shape influences the size of the abrasion collar.[3] High velocity bullets with spitzer tip and full metal jacket are less likely to produce abrasion collar compared to civilian bullets which have a cylindrical round nose.[4]

References

  1. ↑ Gujaral, PB; Ajay, B (28 February 2017). "Abrasion Collar Around Shrapnel Entry Wound". J Forensic Sci. doi:10.1111/1556-4029.13457. PMID 28244192. Retrieved 29 June 2017.
  2. ↑ Aguilar, JC (September 1983). "Shored gunshot wound of exit. A phenomenon with identity crisis". Am J Forensic Med Pathol. 4 (3): 199–204. PMID 6637946.
  3. ↑ Pircher, R; Pollak, S; Preiß, D; Thierauf-Emberger, A; Perdekamp, MG; Geisenberger, D (March 2017). "The influence of the bullet shape on the width of abrasion collars and the size of gunshot entrance holes". Int J Legal Med. 131 (2): 441–445. doi:10.1007/s00414-016-1501-6. PMID 27909866.
  4. ↑ Peonim, V; Srisont, S; Udnoon, J; Wongwichai, S; Thapon, A; Worasuwannarak, W (November 2016). "Entrance and exit wounds of high velocity bullet: An autopsy analysis in the event of dispersing the mass rally in Bangkok Thailand, May 2010". Leg Med (Tokyo). 23: 10–16. doi:10.1016/j.legalmed.2016.08.010. PMID 27890096. Retrieved 15 February 2018.


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