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Veterinary Clinical Pathology

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https://www.readbyqxmd.com/read/28519899/hepatic-aa-amyloidosis-in-a-cat-cytologic-and-histologic-identification-of-aa-amyloid-in-macrophages
#1
Sakurako Neo-Suzuki, Takayuki Mineshige, Junichi Kamiie, Hideki Kayanuma, Yukako Mochizuki, Masaharu Hisasue, Ryo Tsuchiya, Kinji Shirota
A 3-year-old, spayed female, Domestic Shorthair cat presented with anorexia, lethargy, vomiting, probable hemoabdomen, and multiple masses on the right lateral liver lobe. Clinicopathologic and imaging abnormalities included anemia, azotemia, icterus, and hepatomegaly with hypoechoic masses. On cytologic evaluation of a fine-needle aspiration of a liver mass there was abundant extracellular pink- to purple-colored material between hepatocytes. The amorphous material was stained with direct fast scarlet (DFS), and green birefringent areas were observed under polarized light, confirming the presence of amyloid...
May 18, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28518476/adult-onset-chronic-cyclic-thrombocytopenia-in-a-rhesus-macaque-macaca-mulatta-after-dengue-virus-vaccination-and-viral-challenge
#2
Galit H Frydman, Kelly A Metcalf Pate, Robert P Marini, Armelle M de Laforcade, Irene Bosch, Vasudevan Bakthavatchalu, Sureshkumar Muthupalani, Alton G Swennes, Claire E Lyons, Ronald G Tompkins, James G Fox
An 8-year-old, male Rhesus macaque (Macaca mulatta), previously used for dengue virus (DENV) vaccine research with viral challenge, was presented with adult-onset, chronic, cyclic thrombocytopenia. Platelet number, morphology, and function were evaluated by automated hematology, peripheral blood smears, electron microscopy, flow cytometry, and impedance aggregometry. Bone marrow was evaluated by cytology. Both serum anti-dengue nonstructural protein 1 (NS1) antibodies and anti-platelet antibodies were detected by ELISA...
May 18, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28510282/cytologic-features-of-a-feline-inductive-odontogenic-tumor
#3
Ronaldo V Leite-Filho, Nelson J Tagliari, Fabrizio Grandi, Cláudio J M Laisse, Daniel G Gerardi, Saulo P Pavarini
The feline inductive odontogenic tumor (FIOT) is a rare entity among oral tumors in cats, the cytologic features of which are not well characterized but may prove useful. A fine-needle aspiration biopsy was performed on the right mandible between the canine (804) and second premolar (806) of an 8-month-old female mongrel cat. Cytologic smears showed epithelial cells and occasional spindle cells with extracellular homogenous acidophilic material in a hematic background. The initial diagnosis of benign tumor was confirmed by histopathologic examination of the biopsy specimen...
May 16, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28510276/canine-reticulocyte-hemoglobin-content-ret-he-in-different-types-of-iron-deficient-erythropoiesis
#4
Jannika Fuchs, Andreas Moritz, Esther Grußendorf, Jörg Lechner, Felix Neuerer, Rafael Nickel, Thomas Rieker, Claudia Schwedes, Dennis B DeNicola, James Russell, Natali Bauer
BACKGROUND: Reticulocyte hemoglobin content (RET-He) is a diagnostic marker for iron deficiency (ID) in people and dogs. OBJECTIVES: The aim of our study was to evaluate the clinical utility of RET-He in the diagnosis of different causes of iron-deficient erythropoiesis (IDE). METHODS: Canine CBCs were separated into 2 groups according to RET-He values, < 20.9 pg or ≥ 20.9 pg. Erythrocyte and reticulocyte variables were compared between dogs with decreased and normal RET-He values...
May 16, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28510262/what-is-your-diagnosis-pancreatic-aspirate-from-a-cat
#5
Diana A Hoffman, Tara L Piech, Holly L Taylor, Angela B Royal
No abstract text is available yet for this article.
May 16, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28498491/the-blood-cell-family-on-a-lymph-node-road
#6
Marta Santos, Ricardo Marcos, Paola Roccabianca
No abstract text is available yet for this article.
May 12, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28485837/characterization-of-the-analytic-performance-of-an-electrochemical-point-of-care-meter-for-measuring-%C3%AE-hydroxybutyrate-concentration-in-blood-and-plasma-from-periparturient-dairy-cattle
#7
Ameer A Megahed, Mark W H Hiew, Jonathan R Townsend, Peter D Constable
BACKGROUND: The Precision Xtra electrochemical meter is widely used to measure blood β-hydroxybutyrate concentration (BHBb) in dairy cattle. The meter uses an algorithm optimized for human blood that assumes the HCT in cattle is the same as in people, and that intra-erythrocyte β-hydroxybutyrate (BHBe) and plasma β-hydroxybutyrate (BHBp) concentration are equivalent. OBJECTIVES: The first objective was to characterize the analytic performance of the meter for measuring BHBb and BHBp in dairy cattle...
May 9, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28467597/objective-evaluation-of-analyzer-performance-based-on-a-retrospective-meta-analysis-of-instrument-validation-studies-point-of-care-hematology-analyzers
#8
Andrea M Cook, Andreas Moritz, Kathleen P Freeman, Natali Bauer
BACKGROUND: Information on quality requirements and objective evaluation of performance of veterinary point-of-care analyzers (POCAs) is scarce. OBJECTIVES: The study was aimed at assessing observed total errors (TEobs s) for veterinary hematology POCAs via meta-analysis and comparing TEobs to allowable total error (TEa ) specifications based on experts' opinions. METHODS: The TEobs for POCAs (impedance and laser-based) was calculated based on data from instrument validation studies published between 2006 and 2013 as follows: TEobs = 2 × CV [%] + bias [%]...
May 3, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28449360/biologic-variability-of-cardiac-troponin-i-in-healthy-dogs-and-dogs-with-different-stages-of-myxomatous-mitral-valve-disease-using-standard-and-high-sensitivity-immunoassays
#9
Randolph L Winter, Ashley B Saunders, Sonya G Gordon, Matthew W Miller, Geoffrey T Fosgate, Jan S Suchodolski, Jörg M Steiner
BACKGROUND: Biologic variability (BV) is one aspect of interpreting changes in biomarker concentrations known to be clinically important in people with cardiac disease, but it has not been adequately addressed in dogs so far. OBJECTIVES: The purpose of the study was to determine BV of cardiac troponin I (cTnI) in healthy dogs and dogs with 3 stages of myxomatous mitral valve disease (MMVD). METHODS: Healthy dogs and dogs with 3 stages of MMVD were prospectively assigned to groups based on comprehensive clinical evaluation using current guidelines...
April 27, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28430367/effect-of-dalteparin-administration-on-thrombin-generation-kinetics-in-healthy-dogs
#10
Carolyn Gara-Boivin, Jérôme R E Del Castillo, Marilyn E Dunn, Christian Bédard
BACKGROUND: Dalteparin is used to prevent thrombotic complications in dogs. Measurement of anti-factor Xa (anti-FXa) activity is currently used for monitoring therapy, but remains a nonfunctional test. The calibrated automated thrombogram (CAT) could be a suitable approach for functional monitoring. OBJECTIVES: We hypothesized that the CAT will detect decreased endogenous thrombin potential (ETP) in healthy dogs receiving dalteparin. METHODS: Twenty-four healthy adult Beagles were randomly allocated to 4 equal groups...
April 21, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28422312/what-is-your-diagnosis-cutaneous-ulcerated-nodule-in-a-geriatric-dog
#11
Marta Santos, Ana Canadas, Pablo Puente-Payo, Patrícia Dias-Pereira, Ricardo Marcos
No abstract text is available yet for this article.
April 19, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28422307/what-is-your-diagnosis-fine-needle-aspirate-of-a-lung-nodule-and-bronchoalveolar-lavage-from-a-dog
#12
Jelena Palić, Kathrin Busch, Stefan Unterer
No abstract text is available yet for this article.
April 19, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28419525/method-comparison-and-generation-of-plasma-biochemistry-ris-for-the-white-rhinoceros-on-a-point-of-care-and-wet-chemistry-analyzer
#13
Emma H Hooijberg, Gerhard Steenkamp, Peter Buss, Amelia Goddard
BACKGROUND: Plasma biochemistry analysis may aid the management of White rhinoceros with poaching or other injuries. Analyzer- and species-specific RIs are necessary to evaluate health status and identify abnormalities. OBJECTIVES: The purpose of the study was to perform a comparison study between the IDEXX VetTest and Roche Cobas Integra 400 Plus, and to generate analyzer-specific RIs for White rhinoceros according to published guidelines. METHODS: Comparison was carried out using White rhinoceros plasma samples from healthy and diseased animals...
April 17, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28411369/comparison-of-equine-platelet-function-and-survival-in-whole-blood-collected-in-acid-citrate-dextrose-solution-or-citrate-phosphate-dextrose-adenine-solution
#14
Rana Bozorgmanesh, Julie W Sutton-Burges, Fern Tablin
BACKGROUND: Equine whole blood collection and storage methods have been evaluated to assess red blood cell viability; however, platelet (PLT) viability has not been comprehensively assessed. OBJECTIVES: The purpose of the study was to compare viability of PLTs collected in whole blood into 2 different anticoagulants. METHODS: Whole blood from 6 healthy adult Thoroughbred horses was collected into citrate-phosphate-dextrose-adenine (CPDA) or acid-citrate-dextrose (ACD)...
April 14, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28403556/assessment-of-endogenous-25-hydroxyvitamin-d-serum-concentrations-by-liquid-chromatography-tandem-mass-spectrometry-in-various-animal-species
#15
Carol A Fritz, Kimberly A Navetta, David P Wolford, Jennifer L Colangelo
BACKGROUND: Mass spectrometry (MS) has become the preferential method for the analysis of vitamin D in the clinic, yet no single platform is utilized for preclinical species in drug development studies. For vitamin D, the MS platform can provide certain benefits such as applicability of a single assay for multiple species, low cost, and high specificity. OBJECTIVES: A quantitative liquid chromatography-tandem MS (LC-MS/MS) assay for 25-hydroxyvitamin D3 (25OHD3 ) and D2 (25OHD2 ) was validated for rat, dog, mouse, and monkey, and suitability for drug development studies was assessed...
April 12, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28394428/what-is-your-diagnosis-inguinal-lymph-node-aspirate-from-a-dog
#16
Corry K Yeuroukis, Jessica M Thiman, Anne C Avery, Melinda S Camus, Jaime L Tarigo
No abstract text is available yet for this article.
April 10, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28387422/validation-and-determination-of-a-reference-interval-for-canine-hba1c-using-an-immunoturbidimetric-assay
#17
Anne F Goemans, Susanna J Spence, Ian K Ramsey
BACKGROUND: Hemoglobin A1c (HbA1c) provides a reliable measure of glycemic control over 2-3 months in human diabetes mellitus. In dogs, presence of HbA1c has been demonstrated, but there are no validated commercial assays. OBJECTIVE: The purpose of the study was to validate a commercially available automated immunoturbidimetric assay for canine HbA1c and determine an RI in a hospital population. METHODS: The specificity of the assay was assessed by inducing glycosylation in vitro using isolated canine hemoglobin, repeatability by measuring canine samples 5 times in succession, long term inter-assay imprecision by measuring supplied control materials, stability using samples stored at 4°C over 5 days and -20°C over 8 weeks, linearity by mixing samples of known HbA1c in differing proportions, and the effect of anticoagulants with paired samples...
April 7, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28370271/what-is-your-diagnosis-cystic-prostatic-lesion-in-a-domestic-ferret
#18
Liza Bau-Gaudreault, Carolyn N Grimes
No abstract text is available yet for this article.
April 3, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28370193/what-is-your-diagnosis-multilobate-nasal-mass-in-a-5-month-old-sphynx-cat
#19
Veronika Simerdova, Milos Vavra, Misa Skoric, Ivo Hajek, Ondrej Skor
No abstract text is available yet for this article.
April 3, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28370080/evaluation-of-assays-for-quantification-of-dna-in-canine-plasma-as-an-indirect-marker-of-netosis
#20
Stephanie A Smith, Corinne M Lawson, Maureen A McMichael, Katrina Jung, Mauria O'Brien, Ron Achiel
BACKGROUND: Neutrophil extracellular traps (NET), consisting of a filamentous DNA/chromatin-histone scaffold originating from neutrophils are part of the innate immune response, may be released under a variety of inflammatory conditions and are associated with an increased risk for thrombosis. OBJECTIVES: The purpose of this study was to evaluate a SYTOX green fluorescence assay and a histone-DNA complex (hisDNA) ELISA for quantification of NET-related DNA in canine plasma...
April 3, 2017: Veterinary Clinical Pathology
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