Tissue from a gull (Larus sp) from Wisconsin. (A) Diffusely the pericardium (star) is greatly expanded by fibrin, edema and necrotic debris (H&E). (B) Lymphoplasmacytic myositis (arrows) creating linear lesions along fascial planes of the pectoral skeletal muscle (H&E).
Alexandria Argue
Alexandria Argue is a Wildlife Pathology Fellow at the National Wildlife Health Center.
Science and Products
Tissue from a gull (Larus sp) from Wisconsin. (A) Diffusely the pericardium (star) is greatly expanded by fibrin, edema and necrotic debris (H&E). (B) Lymphoplasmacytic myositis (arrows) creating linear lesions along fascial planes of the pectoral skeletal muscle (H&E).
![Gross photographs from a Cooper’s hawk showing Air sac overlying the lung and liver with yellow to green, irregular nodules.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Fig.%201AB.jpg?itok=SWHEexGb)
Gross photographs from a Cooper’s hawk (Accipiter cooperii). (A) Air sac overlying the lung and liver have multiple yellow to green, irregular nodules (arrows). (B) Liver (asterisk) has multiple 1 mm, round to irregular, tan nodules in addition to innumerable miliary foci.
Gross photographs from a Cooper’s hawk (Accipiter cooperii). (A) Air sac overlying the lung and liver have multiple yellow to green, irregular nodules (arrows). (B) Liver (asterisk) has multiple 1 mm, round to irregular, tan nodules in addition to innumerable miliary foci.
![Photomicrographs showing lesions in Cooper’s hawk soft palate and lung.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Fig.%202AB.jpg?itok=-FZ6b6wm)
(A) Soft palate of a Cooper’s hawk (Accipiter cooperii). The submucosa is expanded by a myriad of epithelioid macrophages (arrow) surrounding multinucleated giant cells centered on a necrotic center (asterisk). H&E stain. Insert: Intrahistiocytic and extracellular acid-fast bacilli.
(A) Soft palate of a Cooper’s hawk (Accipiter cooperii). The submucosa is expanded by a myriad of epithelioid macrophages (arrow) surrounding multinucleated giant cells centered on a necrotic center (asterisk). H&E stain. Insert: Intrahistiocytic and extracellular acid-fast bacilli.
Science and Products
Tissue from a gull (Larus sp) from Wisconsin. (A) Diffusely the pericardium (star) is greatly expanded by fibrin, edema and necrotic debris (H&E). (B) Lymphoplasmacytic myositis (arrows) creating linear lesions along fascial planes of the pectoral skeletal muscle (H&E).
Tissue from a gull (Larus sp) from Wisconsin. (A) Diffusely the pericardium (star) is greatly expanded by fibrin, edema and necrotic debris (H&E). (B) Lymphoplasmacytic myositis (arrows) creating linear lesions along fascial planes of the pectoral skeletal muscle (H&E).
![Gross photographs from a Cooper’s hawk showing Air sac overlying the lung and liver with yellow to green, irregular nodules.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Fig.%201AB.jpg?itok=SWHEexGb)
Gross photographs from a Cooper’s hawk (Accipiter cooperii). (A) Air sac overlying the lung and liver have multiple yellow to green, irregular nodules (arrows). (B) Liver (asterisk) has multiple 1 mm, round to irregular, tan nodules in addition to innumerable miliary foci.
Gross photographs from a Cooper’s hawk (Accipiter cooperii). (A) Air sac overlying the lung and liver have multiple yellow to green, irregular nodules (arrows). (B) Liver (asterisk) has multiple 1 mm, round to irregular, tan nodules in addition to innumerable miliary foci.
![Photomicrographs showing lesions in Cooper’s hawk soft palate and lung.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/media/images/Fig.%202AB.jpg?itok=-FZ6b6wm)
(A) Soft palate of a Cooper’s hawk (Accipiter cooperii). The submucosa is expanded by a myriad of epithelioid macrophages (arrow) surrounding multinucleated giant cells centered on a necrotic center (asterisk). H&E stain. Insert: Intrahistiocytic and extracellular acid-fast bacilli.
(A) Soft palate of a Cooper’s hawk (Accipiter cooperii). The submucosa is expanded by a myriad of epithelioid macrophages (arrow) surrounding multinucleated giant cells centered on a necrotic center (asterisk). H&E stain. Insert: Intrahistiocytic and extracellular acid-fast bacilli.