CN: 17-23
Species: Ruminant, Bovine
Specimen:
Thorax
Shown:
Fibrinous pericarditis caused by Histophilus somni
Pathology:
Fibrinous pericarditis
- Usually results from hematogenous microbial infections
- No distension of the pericardial sac is expected, due to minimal exudation of fluid
Gross Lesions:
Gray-white fibrin that gives a "bread and butter" appearance when the pericardium and epicardium are pulled apart
References:
Jubb, Kennedy and Palmer's Pathology of Domestic Animals
Etiology:
Histophilus somni
Clinical Manifestations:
Arthritis, pleuritis, pericarditis, myocarditis and meningoencephalitis
Pneumonia: Cranioventral fibrinous bronchopneumonia with foci of coagulative necrosis
Meningoencephalitis: Multiple foci of hemorrhage and necrosis
Hallmark:
Vasculitis with secondary thrombosis
References:
Jubb, Kennedy and Palmer's Pathology of Domestic Animals
