Veterinary Pathology
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West Nile Virus Encephalitis in a Dog
Veterinary Pathology - Tập 42 Số 2 - Trang 219-222 - 2005
In November 2002, a 2-year-old, spayed Maltese Terrier in central Mississippi
was presented for an acute illness characterized by uncontrolled hyperactivity
that rapidly progressed to generalized tremors, ataxia, and intermittent
hyperthermia. Postmortem examination after a 2-week course revealed mild,
multifocal, nonsuppurative meningo encephalitis, with focal necrosis in the
medulla. Reverse tra...
Pathologic and Immunohistochemical Findings in Naturally Occurring West Nile Virus Infection in Horses
Veterinary Pathology - Tập 38 Số 4 - Trang 414-431 - 2001
The pathologic and peroxidase immunohistochemical features of West Nile
flavivirus (WNV) infection were compared in four horses from the northeastern
United States and six horses from central Italy. In all 10 animals, there were
mild to severe polioencephalomyelitis with small T lymphocyte and lesser
macrophage perivascular infiltrate, multifocal glial nodules, neutrophils, and
occasional neuronop...
Pathology of Fatal West Nile Virus Infections in Native and Exotic Birds during the 1999 Outbreak in New York City, New York
Veterinary Pathology - Tập 37 Số 3 - Trang 208-224 - 2000
West Nile fever caused fatal disease in humans, horses, and birds in the
northeastern United States during 1999. We studied birds from two wildlife
facilities in New York City, New York, that died or were euthanatized and were
suspected to have West Nile virus infections. Using standard histologic and
ultrastructural methods, virus isolation, immunohistochemistry, in situ
hybridization and reverse...
Immunohistochemical Characterization of Inflammatory Cells in Brains of Dogs with Granulomatous Meningoencephalitis
Veterinary Pathology - Tập 35 Số 1 - Trang 43-52 - 1998
The inflammatory cells of eleven dogs with canine granulomatous
meningoencephalitis were characterized immunohistochemically. Macrophages were
identified by antibodies directed against lysozyme and the DH82 antigen
(expressed by cells of a malignant histiocytosis). T cells were demonstrated by
CD3, CD43, and CD45R antigen, and B cells by immunoglobulin G and immunoglobulin
M expression. Furthermor...
Fatty Liver Hemorrhagic Syndrome in the Backyard Chicken
Veterinary Pathology - Tập 51 Số 4 - Trang 787-795 - 2014
Fatty liver hemorrhagic syndrome, characterized by sudden death in
overconditioned hens due to hepatic rupture and hemorrhage, is one of the
leading noninfectious idiopathic causes of mortality in backyard chickens.
Nutritional, genetic, environmental, and hormonal factors, or combinations of
these, have been proposed yet not proven as the underlying cause. In an attempt
to characterize the hepati...
Idiopathic Periadnexal Multinodular Granulomatous Dermatitis in Twenty-two Dogs
Veterinary Pathology - Tập 24 Số 1 - Trang 5-10 - 1987
A distinctive periadnexal multinodular granulomatous dermatitis of unknown cause
was diagnosed over a 6-year period in 22 dogs (13 males and nine females) aged 8
months to 10 years, purebred as well as mixed-breed. Nodules, usually more than
two, started on the face and were often unaccompanied by signs of irritation.
All dogs were otherwise healthy except a Viszla with bilateral anterior uveitis
...
Immunohistochemical Localization of Chromogranin A in Normal Tissues from Laboratory Animals
Veterinary Pathology - Tập 26 Số 6 - Trang 488-498 - 1989
To analyze the distribution of Chromogranin A in endocrine cells of various
species of laboratory animals (dog, gerbil, guinea pig, hamster, monkey, mouse,
and fetal, neonatal, and adult rats), normal tissues were stained
immunohistochemically with polyclonal anti-bovine Chromogranin A antiserum
(SP-1). Selected tissues (pituitary, adrenal, thyroid, parathyroid, pancreas,
brain, peripheral nerve, ...
Pathology of Articular Cartilage and Synovial Membrane From Elbow Joints With and Without Degenerative Joint Disease in Domestic Cats
Veterinary Pathology - Tập 51 Số 5 - Trang 968-978 - 2014
The elbow joint is one of the feline appendicular joints most commonly and
severely affected by degenerative joint disease. The macroscopic and
histopathological lesions of the elbow joints of 30 adult cats were evaluated
immediately after euthanasia. Macroscopic evidence of degenerative joint disease
was found in 22 of 30 cats (39 elbow joints) (73.33% cats; 65% elbow joints),
and macroscopic car...
Cyclooxygenase-2 Expression in Inflammatory Lung Lesions of Nonhuman Primates
Veterinary Pathology - Tập 37 Số 5 - Trang 512-516 - 2000
Mammalian cells contain two related but unique isoforms of cyclooxygenase (COX-1
and COX-2). COX-1 is expressed constitutively in a majority of tissues and is
involved in the production of prostaglandins (PGs) that modulate normal
physiologic functions. COX-2 is inducible by various stimuli and is involved in
the production of PGs that modulate physiologic events in development, cell
growth, and i...
Erythrocyte Membrane Alterations Associated with the Attachment and Replication of Eperythrozoon suis: A Light and Electron Microscopic Study
Veterinary Pathology - Tập 22 Số 2 - Trang 164-170 - 1985
Erythrocytes from pigs with experimental porcine eperythrozoonosis were examined
using light microscopy and scanning and transmission electron microscopy. Three
distinct forms of Eperythrozoon suis were attached to the plasma surface of
erythrocyte membrane. Erythrocytes were initially parasitized by one or several
immature forms. Immature forms enlarged and developed into juvenile and mature
form...
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