OOIR: Observatory of International Research

Papers

(The TQCC of Veterinary Pathology is 4. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-05-01 to 2026-05-01.)

Article	Citations
Commotio Cordis and One Medicine	35
Image Challenge in Veterinary Pathology	32
Cytologic scoring of equine exercise-induced pulmonary hemorrhage: Performance of human experts and a deep learning-based algorithm	30
Hepatocellular carcinomas in captive prosimians	27
SOX-10 and TRP-1 expression in feline ocular and nonocular melanomas	27
Trends in feline perianesthetic death postmortem submissions from a referral teaching hospital and general practices in Saskatchewan (Canada) and a proposed postmortem checklist	26
Histological and immunohistochemical features of carcinomas with pulmonary involvement in cattle	26
Immunohistochemical evidence of NF-kB activation in canine lymphomas, histiocytic sarcomas, hemangiosarcomas, and mast cell tumors	25
Diagnostic challenge in veterinary pathology: Detection of BRAF^V595E mutation in a dog with follicular cystitis and flat urothelial lesion with atypia	20
Brain and pituitary-adrenal lesions of Trypanosoma brucei brucei and Trypanosoma congolense infections in the West African Dwarf rams: Is trypanotolerance overrated?	18
Detection and diagnosis of Panulirus argus virus 1 in captive spiny lobsters using qPCR in conjunction with histopathology and transmission electron microscopy	17
Histopathologic evaluation system of African swine fever in wild boar infected with high (Arm07) and low virulence (Lv17/WB/Riel) isolates	16
Dysfunctional CRPPA is responsible for recessively inherited Hereford hydrocephalus with muscular dystrophy and retinal dysplasia	16
Pathology of ruminal acidosis in cattle	15
Cutaneous mastocytosis in 8 young dogs and review of literature	15
Head tilt in 6 Ankole-Watusi cattle ( Bos taurus ankole ) with chronic exudative cornual sinusitis	15
Veterinary dermatopathology: A growing discipline	15
Bronchopneumonia with interstitial pneumonia in feedlot cattle: Epidemiologic characteristics of affected animals	15
Histomorphological and ultrastructural characterization of pancreatic islet intranuclear and intracytoplasmic inclusions in giant southern pouched rats ( Cricetomys ansorgei	15
Diagnostic challenge in veterinary pathology: Tri-cavitary effusion in a cat with systemic pyogranulomatous inflammation	15
Spontaneous and experimentally induced lesions in NOD-scid gamma and other NOD-derived mouse strains	14
Prognostic significance of pSTAT3 expression in feline mammary carcinomas	14
Pathological insights of human CD34+ hematopoietic stem cell-engrafted NSG mice: Implications for the safety assessment of cancer immunotherapy drugs	14
Histologic lesions of cestodiasis in octopuses	13
Retrospective analysis of clustered neuroinflammatory and neurodegenerative diseases in captive lions in the early 1970s	12

Intramural coronary artery and myocardial pathology in captive tigers ( Panthera tigris ) and African lions ( Panthera leo	12
Image challenge in Veterinary Pathology	12
Image challenge in Veterinary Pathology, answers: Neoplasia	12
A novel spontaneous cytotoxic T-cell lymphoma in chickens	11
Intraepithelial cytotoxic lymphocytes are associated with a poor prognosis in feline intestinal T-cell lymphoma	11
Histopathological survey of free-ranging neotropical bats with dermatitis	11
Systemic avian poxvirus infections associated with the B1 subclade of canarypox virus	10
Genomic integration and expression of Felis catus papillomavirus type 2 oncogenes in feline Merkel cell carcinoma	10
A retrospective study of pathologic findings in cephalopods (extant subclasses: Coleoidea and Nautiloidea) under laboratory and aquarium management	9
Cerebellar hypomyelination, white matter vacuolization, and prolonged presence of atypical porcine pestivirus in pigs with congenital tremor type A-II	9
Reviewers Summary	9
Feline pulmonary carcinoma: Gross, histological, metastatic, and immunohistochemical aspects	9
Sarcomas of synovial origin in dogs: An updated review	9
Lymphoma in European hedgehogs ( Erinaceus europaeus ): A case series	9
Application of confocal laser microscopy and its feasibility in routine diagnosis of surgical biopsy specimens	9
Amdoparvovirus-associated disease in striped skunks (Mephitis mephitis)	8
Image challenge in veterinary pathology, answers: Paraneoplastic syndromes	8
From one health to paleopathology to a taste of toxicologic pathology: Award-winning presentations at the in-person 2022 ACVP and ASVCP concurrent annual meeting	8
Immunohistochemical characterization of the immune cell response during chlamydial infection in the male and female koala (Phascolarctos cinereus) reproductive tract	8
Image challenge in Veterinary Pathology	8
Diagnostic challenge in veterinary pathology: Hyperbilirubinemia in a dog	8
Feline sporotrichosis: Characterization of cutaneous and extracutaneous lesions using different diagnostic methods	8
Fetoplacental pathology of equine abortion, premature birth, and neonatal loss due to Chlamydia psittaci	8
Diversity of mutations in the dystrophin gene and details of muscular lesions in porcine dystrophinopathies	8
Special focus on veterinary neuropathology	8
Adherent-invasive Escherichia coli associated with granulomatous colitis and extraintestinal dissemination in a Sphynx cat	7
Odontogenic-like neoplasms of the rabbit cheek: pathological features and comparison to cutaneous trichoblastoma and jaw-associated ameloblastoma	7
Mortality associated with SARS-CoV-2 in nondomestic felids	7
Pests, plagues, pleurites, and pébrine: The history of invertebrate pathology from antiquity to 1900	7
Pathological aspects of cutaneous mast cell tumors with metastases in 49 dogs	7
Helicosporidium sp. infection in a California kingsnake (Lampropeltis californiae): Spillover of a pathogen of invertebrates to a vertebrate host	7
Pathological findings and differential diagnoses of lymph node diseases in slaughtered cattle in Brazil: A study of 2000 samples	7
PD-L1 expression and tumor-infiltrating T lymphocytes as prognostic factors in canine mammary tumors	7
Gross, histopathologic, microbiologic, and radiologic characterization of lesions associated with clinical lameness in a cohort of group-housed sows euthanized for lameness	7
A retrospective review of the histologic features and prognosis of hypercellular canine peripheral odontogenic fibromas	7
Letters or not, here we come! A communal perspective on credentials needed for a productive career in veterinary pathology	7
Subacute and chronic toxic hepatopathy in cattle grazing pasture with Crotalaria spectabilis	7
Titya abstersa -associated gastrointestinal disease in calves: A report of a natural outbreak	7
Massive branchial henneguyosis of catfish: A distinct, myxozoan-induced gill disease caused by severe interlamellar Henneguya exilis infection in catfish aquaculture	7
Incidence and characterization of polyglucosan bodies in the cerebella of montserrat orioles ( Icterus oberi )	7
Mesangial cell hypercellularity and iron accumulation in the kidney associated with administration of a sickle hemoglobin modulator in CD-1 mice	7
Review of tracheal neoplasia in dogs and cats (1961–2024)	6
Ocular and periocular Usutu virus-associated lesions in naturally infected Eurasian blackbirds ( Turdus merula )	6
Histologic, histochemical, and immunohistochemical changes in buffalo liver with cystic echinococcosis	6
Reduced SARS-CoV-2 disease outcomes in Syrian hamsters receiving immune sera: Quantitative image analysis in pathologic assessments	6
Stereotypic immune response in Mycobacterium avium ssp. paratuberculosis infection among different Swiss c	6
A method for scoring 4-nitroquinoline 1-oxide-induced murine esophageal squamous neoplasia	6
Incidence, gross features, and histologic characterization of feline fibrocystic hepatobiliary lesions and extrahepatic biliary malformations	6
Report of amoebic disease in a colony of Western honey bees (Apis mellifera)	6
Acute myeloid leukemia in a genetically related captive population of axolotls ( Ambystoma mexicanum )	6

Comprehensive phenotypic and clonality analysis of intraepithelial lymphocytes of intestinal T-cell lymphoma and chronic enteropathy in dogs	6
Image Challenge in Veterinary Pathology: Questions	6
Mitotic activity: A systematic literature review of the assessment methodology and prognostic value in canine tumors	6
Oral fibroepithelial polyps (“chewing granulomas”) in 21 dogs: Histomorphology, immunohistochemical characterization, and clinical outcome	6
Polyglucosan bodies as age-related intracytoplasmic inclusions in atrial cardiomyocytes of guinea pigs resembling basophilic degeneration	5
Feline Hodgkin-like lymphoma: A morphological, immunohistochemical, and molecular study	5
Embolic necrosuppurative pneumonia in domestic cats induced by a novel Neisseria species	5
SARS-CoV-2 inactivation in laboratory animal tissues with 4% formaldehyde or 5% glutaraldehyde for transfer to biosafety level 1 laboratories	5
Clinicopathological progression and molecular characterization of intestinal dilatation syndrome in commercial brown layers	5
Short beak and dwarfism syndrome among Pekin ducks: First detection, full genome sequencing, and immunohistochemical signals of novel goose parvovirus in tongue tissue	5
Nodular hyperplasia of lymphoglandular complexes in dogs: A potential diagnostic pitfall for rectal masses	5
Granulocytic neoplasm suggestive of primary myeloid sarcoma in 3 dogs	5
Colocalization of hedgehog arterivirus 1 (HhAV-1) and histologic lesions in the European hedgehog ( Erinaceus europaeus ) with neurological disease	5
Diagnostic challenge in veterinary pathology: Generalized alopecia in a Holstein dairy cow	5
Spatial transcriptomics defines the cell-specific RNA landscape of equine dorsal root ganglia	5
Review of spontaneous lesions in the exocrine pancreas of domestic ferrets (Mustela furo)	5
Lethal, disseminated infection with an oomycete ( Halioticida noduliformans ) in captive, deep-sea isopods ( Bathynomus giganteus<	5
Survivin, β-catenin, and ki-67 immunohistochemical expression in canine perivascular wall tumors: Preliminary assessment of prognostic significance	5
Melan-A immunolabeling in canine extramedullary plasmacytomas	5
Differential expression of miRNAs in primary canine appendicular osteosarcoma tissue and pulmonary metastases	5
Image Challenge in Veterinary Pathology	5
Renal oxalosis in African green monkeys ( Chlorocebus sabaeus ) in St. Kitts	5
Modifying phrases in veterinary pathology diagnostic reports: The veterinary professionals’ perception on the diagnostic confidence	5
Macrophage polarization in lymph node granulomas from cattle and pigs naturally infected with Mycobacterium tuberculosis complex	5
Meningioma with rhabdoid features: Pathologic findings in dogs	5
Histologic and immunohistochemical characterization and frequency of rare subtypes of canine invasive urothelial carcinoma	5
Lesions and viral antigen distribution in bald eagles, red-tailed hawks, and great horned owls naturally infected with H5N1 clade 2.3.4.4b highly pathogenic avian influenza virus	5
Tissue expression and urinary excretion of liver-type fatty acid binding protein in older dogs with or without early signs of chronic kidney disease	5
Subcutaneous choriocarcinomas in captive Amargosa voles (Microtus californicus scirpensis)	5
Image Challenge in Veterinary Pathology	5
“Mapping” artificial intelligence in histopathology: Four reflections on scope, generalization drift, augmentation, and the consequences of errors	4
Central nervous system diseases of cetaceans: A conservation challenge and a comparative pathology opportunity	4
Hereditary pontine and extrapontine brain malformations in Brazilian Tabapuã cattle	4
Cutaneous silica-associated (cat litter) granulomas in the paws of 13 domestic cats	4
Hemosiderosis is associated with increased susceptibility to Yersinia pseudotuberculosis infection in Seba’s short-tailed bats ( C	4
Identification of freeze-thaw artifact in fresh and decomposed black rockfish (Sebastes melanops) and steelhead trout (Oncorhynchus mykiss)	4
Image challenge in Veterinary Pathology , answers: Dog diseases	4
Meningoencephalomyelitis and brachial plexitis in a dog infected with louping ill virus	4
Digital quantification of porcine circovirus 2 (PCV-2)-infected cells in lymph nodes of pigs with natural PCV-2 systemic disease shows strong association with manual scoring and quantitative PCR	4
Pneumocystis murina lesions in lungs of experimentally infected Cd40l^–/– mice	4
Special focus on SARS-CoV-2 and other zoonotic respiratory coronaviruses in animal models	4
Distribution of the misfolded isoform of the prion protein in peripheral tissues and spinal cord of Rocky Mountain elk (Cervus elaphus nelsoni) with naturally occurring chronic wasting disease	4
Image challenge in Veterinary Pathology	4
Image Challenge in Veterinary Pathology	4
Morphological features of hepatic lipid changes in bearded dragons (Pogona vitticeps), and a proposed grading system	4
Characterization of tumor-associated macrophages in canine soft tissue sarcomas reveals histotype-dependent immune microenvironments and correlations with mitotic count and histological grade	4
Book Review: Pathology of Pet and Aviary Birds , Jason DS, David NP, Robert ES, eds DSJasonNPDavidESRobert, eds. Pathology of Pet and Aviary Birds, 3rd e	4
Effects of fixation and demineralization on immunohistochemical assessment of canine bone marrow	4
Histologic findings of Massospora cicadina infection in periodical cicadas (Magicicada septendecim)	4
Cutaneous malignant melanomas in pet rabbits ( Oryctolagus cuniculus ): Histological and immunohistochemical characteristics and prognostic factors	4
Image Challenge in Veterinary Pathology, Answers: Swine Diseases	4
Investigating the association between koala retrovirus and primary bone neoplasia in koalas ( Phascolarctos cinereus) using real-time PCR and a novel imm	4
Review: The PI3K-AKT-mTOR signal transduction pathway in canine cancer	4
Histologic characterization of the major duodenal papilla and association with concurrent biliary, pancreatic, and intestinal pathology in cats	4
“Errata” does anyone read them? Revisiting mitotic counts in mast cell tumors	4
Spinal disease in a captive population of Panthera species: Review of 86 cases (2003–2021)	4