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Veterinary pathology
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Publication year rev
7987-2013
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v.50 no.3
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- Author:
- F. Giannitti; C. A. Margineda; M. S. Cid; C. Montobbio; C. I. Soteras; R. D. Caffarena; S. S. Diab
- Source:
- Veterinary pathology v.50 no.3 pp. 530-533
- ISSN:
- 1544-2217
- Subject:
- Wedelia; alfalfa; alfalfa hay; animal pathology; beef cattle; bile ducts; calves; edema; gall bladder; hemorrhage; leaves; microscopy; necrosis; pastures; poisoning; rumen; Argentina
- Abstract:
- ... A group of 342 beef calves, corralled in the Patagonia region of Argentina, were fed alfalfa hay that had been inadvertently contaminated with Wedelia glauca. A total of 147 (43%) calves died within 4 days. Pathologic findings in 2 calves were diffuse centrilobular hepatic necrosis and hemorrhage with edema in the gallbladder, common bile duct, and choledochoduodenal junction. Epidermal fragments ...
- DOI:
- 10.1177/0300985812469634
- https://doi.org/10.1177/0300985812469634
- Author:
- A. B. Grossi; P. S. Leifsson; H. E. Jensen; B. Vainer; T. Iburg
- Source:
- Veterinary pathology v.50 no.3 pp. 534-542
- ISSN:
- 1544-2217
- Subject:
- adrenal glands; animal pathology; antibodies; carcinoma; cattle; electron microscopy; immunohistochemistry; medicine; phosphoric diester hydrolases; vimentin
- Abstract:
- ... Tumors of the adrenal glands are among the most frequent tumors in cattle; however, few studies have been conducted to describe their characteristics. The aim of this study was to classify 41 bovine adrenal neoplasms from 40 animals based on macroscopic and histologic examination, including electron microscopy and immunohistochemistry for melan A, synaptophysin, chromogranin A, vimentin, pan-cytok ...
- DOI:
- 10.1177/0300985812469638
- https://doi.org/10.1177/0300985812469638
- Author:
- C. Van Hemert; A. G. Armién; J. E. Blake; C. M. Handel; T. M. O’Hara
- Source:
- Veterinary pathology v.50 no.3 pp. 500-513
- ISSN:
- 1544-2217
- Subject:
- Poecile atricapillus; adults; alopecia; animal pathology; beak; bird diseases; claws; epithelium; epizootic diseases; etiology; fungi; histology; histopathology; hyperkeratosis; hyperplasia; keratin; keratinization; mandible (bone); wild birds; Alaska
- Abstract:
- ... An epizootic of beak abnormalities (avian keratin disorder) was recently detected among wild birds in Alaska. Here we describe the gross, histologic, and ultrastructural features of the disease in 30 affected adult black-capped chickadees (Poecile atricapillus). Grossly, there was elongation of the rhamphotheca, with varying degrees of lateral deviation, crossing, and gapping between the upper and ...
- DOI:
- 10.1177/0300985812469637
- PubMed:
- 23399850
- PubMed Central:
- PMC4445976
- https://doi.org/10.1177/0300985812469637
- Author:
- C. J. Bonar; M. M. Garner; E. S. Weber; C. J. Keller; M. Murray; L. M. Adams; S. Frasca
- Source:
- Veterinary pathology v.50 no.3 pp. 368-376
- ISSN:
- 1544-2217
- Subject:
- Phycodurus eques; Phyllopteryx taeniolatus; animal pathology; coccidiosis; etiology; intestines; mineralization; mycobacterial diseases; parasites; protozoal infections; retrospective studies; swim bladder
- Abstract:
- ... A retrospective study of the pathologic findings in weedy (Phyllopteryx taeniolatus) and leafy (Phycodurus eques) seadragons was performed on specimens submitted to 2 reference laboratories from 1994 to 2012 to determine the range and occurrence of diseases affecting aquarium-held populations. One hundred two and 94 total diagnoses were recorded in weedy and leafy seadragons, respectively. Two of ...
- DOI:
- 10.1177/0300985813482337
- https://doi.org/10.1177/0300985813482337
- Author:
- N. A. Twenhafel; M. E. Mattix; J. C. Johnson; C. G. Robinson; W. D. Pratt; K. A. Cashman; V. Wahl-Jensen; C. Terry; G. G. Olinger; L. E. Hensley; A. N. Honko
- Source:
- Veterinary pathology v.50 no.3 pp. 514-529
- ISSN:
- 1544-2217
- Subject:
- Food and Drug Administration; Macaca mulatta; Zaire Ebola virus; aerosols; alanine transaminase; animal pathology; aspartate transaminase; bilirubin; blood serum; blood vessels; creatinine; dendritic cells; disseminated intravascular coagulation; fibrin; gamma-glutamyltransferase; hemorrhage; humans; hypoalbuminemia; hypothermia; liver; lymph nodes; macrophages; models; monocytes; necrosis; pathogenesis; pulp; spleen; thrombocytopenia; tissues; urea nitrogen; vasculitis; viremia; virus replication
- Abstract:
- ... There is limited knowledge of the pathogenesis of human ebolavirus infections and no reported human cases acquired by the aerosol route. There is a threat of ebolavirus as an aerosolized biological weapon, and this study evaluated the pathogenesis of aerosol infection in 18 rhesus macaques. Important and unique findings include early infection of the respiratory lymphoid tissues, early fibrin depo ...
- DOI:
- 10.1177/0300985812469636
- https://doi.org/10.1177/0300985812469636
- Author:
- L. L. Coffee; J. W. Casey; P. R. Bowser
- Source:
- Veterinary pathology v.50 no.3 pp. 390-403
- ISSN:
- 1544-2217
- Subject:
- Osmerus eperlanus; RNA-directed DNA polymerase; Retroviridae; animal pathology; enzyme activity; etiology; inoculum; papilloma; spawning; tissues; wild fish
- Abstract:
- ... Thirteen proliferative diseases in fish have been associated in the literature with 1 or more retroviruses. Typically, these occur as seasonal epizootics affecting farmed and wild fish, and most lesions resolve spontaneously. Spontaneous resolution and lifelong resistance to reinfection are 2 features of some piscine retrovirus–induced tumors that have stimulated research interest in this field. T ...
- DOI:
- 10.1177/0300985813480529
- https://doi.org/10.1177/0300985813480529
- Author:
- M. M. Garner
- Source:
- Veterinary pathology v.50 no.3 pp. 377-389
- ISSN:
- 1544-2217
- Subject:
- Adenoviridae; Carcharhinus; Chiloscyllium; Dasyatis americana; Herpesviridae; Mustelus canis; Orectolobus; Rhinoptera bonasus; Sphyrna; amebiasis; ammonia; animal pathology; bacterial infections; bamboos; chlorine; coccidiosis; dermatitis; digestive system; emaciation; encephalitis; enteritis; fenbendazole; fungi; gas bubble disease; hepatitis; inflammation; papilloma; poisoning; retrospective studies; sepsis (infection); sharks; toxicity
- Abstract:
- ... This report reviews diseases of 1546 elasmobranchs representing at least 60 species submitted to Northwest ZooPath from 1994 to 2010. Cownose rays (Rhinoptera bonasus) (78), southern rays (Dasyatis americana) (75), dusky smooth-hounds (Mustelus canis) (74), bonnethead sharks (Sphyrna tiburo) (66), and bamboo sharks (Hemiscylliidae) (56) were the most commonly submitted species. Infectious/inflamma ...
- DOI:
- 10.1177/0300985813482147
- https://doi.org/10.1177/0300985813482147
- Author:
- A. L. Battison
- Source:
- Veterinary pathology v.50 no.3 pp. 451-456
- ISSN:
- 1544-2217
- Subject:
- Homarus americanus; animal pathology; connective tissues; crabs; crystals; deformation; excretion; exoskeleton; granules; hemolymph; histology; infrared spectroscopy; lobsters; muscle fibers; necropsy; potassium hydroxide; salts; urea; uric acid; veterinary schools
- Abstract:
- ... An unusually “lumpy” lobster, Homarus americanus, was presented to the Atlantic Veterinary College Lobster Science Centre for evaluation. The lobster was weak with numerous pale, raised, and flat areas (diameter, 3–15 mm) on the exoskeleton, some of which were ulcerated. On postmortem examination, the pale areas corresponded to accumulations of viscous to free-flowing white material, which was fou ...
- DOI:
- 10.1177/0300985812446148
- https://doi.org/10.1177/0300985812446148
- Author:
- F. Sasani; F. Baghban; G. H. Nikbakht Brujeni; M. Kazemi
- Source:
- Veterinary pathology v.50 no.3 pp. 543-547
- ISSN:
- 1544-2217
- Subject:
- DNA; Pteridium aquilinum; animal pathology; bladder; carcinoma; cattle; electrophoresis; enzootic diseases; epithelium; exons; hematuria; humans; introns; polymerase chain reaction; single-stranded conformational polymorphism; tumor suppressor genes; urinary bladder neoplasms
- Abstract:
- ... Tumor protein 53 (TP53) is a tumor suppressor gene that is frequently mutated in urinary bladder tumors in both humans and animals. In cattle, urinary bladder tumors have been reported as occurring spontaneously as well as in conjunction with bracken fern consumption-induced bovine enzootic hematuria (BEH). The goal of this study was to evaluate various types of bovine urinary bladder neoplasms fo ...
- DOI:
- 10.1177/0300985812469632
- https://doi.org/10.1177/0300985812469632
- Author:
- H. R. Shive
- Source:
- Veterinary pathology v.50 no.3 pp. 468-482
- ISSN:
- 1544-2217
- Subject:
- Danio rerio; animal models; animal pathology; carcinogenesis; fecundity; humans; neoplasms; researchers; therapeutics
- Abstract:
- ... For decades, the advancement of cancer research has relied on in vivo models for examining key processes in cancer pathogenesis, including neoplastic transformation, progression, and response to therapy. These studies, which have traditionally relied on rodent models, have engendered a vast body of scientific literature. Recently, experimental cancer researchers have embraced many new and alternat ...
- DOI:
- 10.1177/0300985812467471
- https://doi.org/10.1177/0300985812467471
- Author:
- H. B. Gelberg
- Source:
- Veterinary pathology v.50 no.3 pp. 569-571
- ISSN:
- 1544-2217
- Subject:
- animal pathology; bacteria; carpus; cats; dendritic cells; dermis; exercise; histiocytosis; histology; males; nests; staining
- Abstract:
- ... A 10-year-old, neutered, male, domestic short-haired cat had numerous, small, firm, round, red, nonpruritic, nonpainful, dermal nodules 5–16 mm in diameter that ruptured within 48 hours of their appearance and subsequently crusted over. The masses were located in all regions of the body. One mass was excised from the dorsal right carpus and examined histologically, and 2 masses from the interscapu ...
- DOI:
- 10.1177/0300985813476059
- https://doi.org/10.1177/0300985813476059
- Author:
- J. M. Spitsbergen; S. A. Frattini; P. R. Bowser; R. G. Getchell; L. L. Coffee; M. J. Wolfe; J. P. Fisher; S. J. Marinovic; K. E. Harr
- Source:
- Veterinary pathology v.50 no.3 pp. 418-433
- ISSN:
- 1544-2217
- Subject:
- Salvelinus namaycush; animal pathology; carcinogens; carcinoma; epizootic diseases; etiology; fish; histology; inflammation; lakes; lateral line system; pollution; New York
- Abstract:
- ... This article documents an epizootic of inflammation and neoplasia selectively affecting the lateral line system of lake trout (Salvelinus namaycush) in 4 Finger Lakes in New York from 1985 to 1994. We studied more than 100 cases of this disease. Tumors occurred in 8% (5/64) of mature and 21% (3/14) of immature lake trout in the most severely affected lake. Lesions consisted of 1 or more neoplasm(s ...
- DOI:
- 10.1177/0300985813482949
- https://doi.org/10.1177/0300985813482949
- Author:
- M. C. Boyle; M. H. Boyle;
- Source:
- Veterinary pathology v.50 no.3 pp. 563-568
- ISSN:
- 1544-2217
- Subject:
- animal models; animal pathology; biomarkers; drugs; experts; hazard identification; human diseases; humans; image analysis; laboratory techniques; neoplasms; rodents; scientists; toxic substances; toxicity; toxicology; transgenic animals
- Abstract:
- ... Urinary system toxicity is a significant concern to pathologists in the hazard identification, drug and chemical safety evaluation, and diagnostic service industries worldwide. There are myriad known human and animal urinary system toxicants, and investigatory renal toxicology and pathology is continually evolving. The system-specific Research Triangle Park (RTP) Rodent Pathology Course biennially ...
- DOI:
- 10.1177/0300985813480217
- https://doi.org/10.1177/0300985813480217
- Author:
- P. A. Schaffer; B. Lifland; S. Van Sommeran; D. R. Casper; C. R. Davis
- Source:
- Veterinary pathology v.50 no.3 pp. 412-417
- ISSN:
- 1544-2217
- Subject:
- Carnobacterium; Lamna ditropis; animal pathology; autumn; bacteria; bacterial culture; blood; brain; coasts; heart; histopathology; intergenic DNA; juveniles; liver; meningoencephalitis; morbidity; mortality; nucleotide sequences; ribosomal DNA; sharks; summer; tissues; California
- Abstract:
- ... Juvenile salmon sharks beach yearly along the California coast, primarily during late summer and early fall. Fresh, frozen, and formalin-fixed tissues from 19 stranded salmon sharks were collected for examination. Histopathology revealed meningitis or meningoencephalitis in 18 of 19 shark brains with intralesional bacteria observed in 6 of the affected brains. Bacterial culture of fresh or frozen ...
- DOI:
- 10.1177/0300985812441033
- https://doi.org/10.1177/0300985812441033
- Author:
- T. Southard; H. Bender; S. E. Wade; C. Grunenwald; R. W. Gerhold
- Source:
- Veterinary pathology v.50 no.3 pp. 560-562
- ISSN:
- 1544-2217
- Subject:
- Odocoileus virginianus; Parelaphostrongylus tenuis; adults; animal pathology; brain; grasses; guinea pigs; hindlimbs; histology; males; necropsy; parasites; paresis; polymerase chain reaction; seizures; torticollis
- Abstract:
- ... An adult male guinea pig (Cavia porcellus) with a 1-month history of hind limb paresis, torticollis, and seizures was euthanized and submitted for necropsy. Gross examination was unremarkable, but histologic examination revealed multifocal eosinophilic and lymphoplasmacytic choriomeningitis and cross sections of nematode parasites within the leptomeninges of the midbrain and diencephalon. Morpholo ...
- DOI:
- 10.1177/0300985812469635
- https://doi.org/10.1177/0300985812469635
- Author:
- L. L. Coffee; L. B. Bogdanovic; T. L. Cushing; P. R. Bowser
- Source:
- Veterinary pathology v.50 no.3 pp. 483-487
- ISSN:
- 1544-2217
- Subject:
- Sander vitreus; adults; animal pathology; epithelium; fish; mammals; neoplasms; pharynx; teeth
- Abstract:
- ... An adult walleye (Sander vitreus) was submitted to Cornell University for evaluation of a hard pale-tan pharyngeal mass attached to the gill arches. Dozens of hard white conical structures radiated from the surface. Microscopically, conical structures were identified as denticles and rested on plates of dysplastic orthodentine, cementum, and acellular bone. A diagnosis of compound odontoma was mad ...
- DOI:
- 10.1177/0300985812446149
- https://doi.org/10.1177/0300985812446149
- Author:
- P.-Y. Daoust; M. van de Bildt; D. van Riel; G. van Amerongen; T. Bestebroer; R. Vanderstichel; R. A. M. Fouchier; T. Kuiken
- Source:
- Veterinary pathology v.50 no.3 pp. 548-559
- ISSN:
- 1544-2217
- Subject:
- Anas platyrhynchos; Influenza A virus; Larus delawarensis; air sacs; animal pathology; avian influenza; body weight changes; cloaca; ducks; immunohistochemistry; intestinal mucosa; lungs; pathogenicity; pharynx; pneumonia; reverse transcriptase polymerase chain reaction; signs and symptoms (animals and humans); wild birds
- Abstract:
- ... Many subtypes of low-pathogenicity avian influenza (LPAI) virus circulate in wild bird reservoirs, but their prevalence may vary among species. We aimed to compare by real-time reverse-transcriptase polymerase chain reaction, virus isolation, histology, and immunohistochemistry the distribution and pathogenicity of 2 such subtypes of markedly different origins in Mallard ducks (Anas platyrhynchos) ...
- DOI:
- 10.1177/0300985812469633
- https://doi.org/10.1177/0300985812469633
- Author:
- R. Smolowitz
- Source:
- Veterinary pathology v.50 no.3 pp. 404-411
- ISSN:
- 1544-2217
- Subject:
- Crassostrea virginica; Perkinsus marinus; Protozoa; World Health Organization; animal pathology; aquaculture; coasts; death; estuaries; food animals; hemocytes; hemolytic anemia; mortality; notifiable disease; overfishing; oysters; parasites; tissues; United States
- Abstract:
- ... The eastern oyster, Crassostrea virginica (Gmelin), is both an important component of our estuaries and an important farmed food animal along the east and south coasts of the United States. Its populations have been significantly diminished in the wild due to decades of overfishing beginning in the 1890s. Unfortunately, in 1950, a new disease in eastern oysters caused by the protistan agent, Perki ...
- DOI:
- 10.1177/0300985813480806
- https://doi.org/10.1177/0300985813480806
- Author:
- R. E. Burns; E. J. Bicknese; J. L. Westropp; R. Shiraki; I. H. Stalis
- Source:
- Veterinary pathology v.50 no.3 pp. 443-450
- ISSN:
- 1544-2217
- Subject:
- animal pathology; calcinosis; environmental factors; feet; fibrosis; gout; hydroxyapatite; inflammation; joints (animal); lizards; mineralization; turtles
- Abstract:
- ... Ten of 12 red-bellied short-necked turtles from a single clutch presented at 9 months of age with multiple white to tan nodules on their feet. Histologically, the nodules were composed of large periarticular deposits of mineralized crystalline material that extended into the joint spaces of interphalangeal joints and was surrounded by granulomatous inflammation and fibrosis. Crystallographic analy ...
- DOI:
- 10.1177/0300985813480511
- https://doi.org/10.1177/0300985813480511
- Author:
- E. E. B. LaDouceur; M. M. Garner; J. Wynne; S. Fish; L. Adams
- Source:
- Veterinary pathology v.50 no.3 pp. 434-442
- ISSN:
- 1544-2217
- Subject:
- Shewanella; Vibrio; animal pathology; biopsy; disinfection; electron microscopy; fungal culture; hyperplasia; microorganisms; necrosis; sterilizers; ultraviolet radiation; California
- Abstract:
- ... Over a period of 6 months, dozens of moon jelly (Aurelia aurita) medusae from a single-species exhibit at the California Science Center (CSC) developed exumbrellar ulcers. Ulcers were progressive, causing umbrellar creases that expanded radially to the bell rim and occasional adoral erosions that extended into gastrovascular cavities. Husbandry interventions, including addition of ultraviolet ligh ...
- DOI:
- 10.1177/0300985812461363
- https://doi.org/10.1177/0300985812461363