Submitted by admin on Tue, 08/26/2008 - 15:40
tissue_organ_import:
bursa of Fabricius: edema, hemorrhages.
Morphologic diagnosis:
Bursa of Fabricius: Moderate edema with multifocal petechia
Clinical description:
This image was taken 3 days post experimental inoculation with highly pathogenic avian influenza. The bursa of Fabricius, a lymphoid tissue, is often atrophic in HPAI infections. Although its overal size may be decreased, it’s mucosa may be swollen and have hemorrhagic lesions, as seen here.
Pathologic description:
The bursa of Fabricius has been opened to reveal its internal tissue folds. The bursal folds are swollen and slightly blunt and are covered by numerous pinpoint red foci.
Record number:
20902
Case number:
5027
Age:
16 weeks
Breed:
White Leghorn SPF
Clinical form:
Acute
Infection type:
Experimental
History:
The photograph was taken 3 days post inoculation. The bird was experimentally inoculated with highly pathogenic avian influenza virus on 3/2/08 at Plum Island Animal Disease Center. The inoculation was performed in the caudal thoracic air sac with strain A/CK/PA/469/3-84/H5N2, using 0.25ml.
Housing/mgmnt type:
Select One
Priority:
1
Rights:
© Cornell University
Etiology:
Tissues and organs:
Asset type:
Species:
Image:
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