Changes

==Pathology==

==Pathology==

A very thick-walled, pus-filled abscesses forms around the points of penetration, which may be multiple.

Thick walled, pus filled abscesses form around the points of penetration, which may be multiple.

The foreign object may be found in one of these abscesses, or free in the reticular lumen.

The foreign object may be found in one of these abscesses, or free in the reticular lumen.

If the pericardium is penetrated it becomes thickened with oedema, and purulent fluid containing fibrin clots accumulates in the sac giving  a “bread and butter heart” which is classical traumatic reticulitis.

If the pericardium is penetrated it becomes thickened with oedema, and purulent fluid containing fibrin clots accumulates in the sac giving  a “bread and butter heart” which is classical of traumatic reticulitis.

[[Image:traumatic pericarditis.jpg|thumb|right|150px|Traumatic pericarditis (Courtesy of BioMed Image Archive)]]

[[Image:traumatic pericarditis.jpg|thumb|right|150px|Traumatic pericarditis (Courtesy of BioMed Image Archive)]]

Additionally large abscesses in the dorsal part of the [[Liver - Anatomy & Physiology|liver]] may erode into the posterior vena cava to produce a thrombosis.

Additionally if the liver is affected large abscesses in the dorsal part of the [[Liver - Anatomy & Physiology|liver]] may erode into the posterior vena cava to produce a thrombosis.

==Treatment==

==Treatment==