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Veterinary Dermatology

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https://www.readbyqxmd.com/read/28722254/determination-of-irritant-threshold-concentrations-of-multiple-tree-grass-weed-and-mould-allergens-for-intradermal-testing-of-horses-residing-in-the-southern-usa
#1
Martha J Lane, Cherie M Pucheu-Haston, Michael T Kearney, Michelle Woodward
BACKGROUND: Appropriate allergen threshold concentrations (TCs) for intradermal testing (IDT) have not been established in horses for many pollen and mould allergens. OBJECTIVES: To determine the TCs in non-allergic horses and describe the frequency of late phase reactions for 26 allergens, including trees, grasses, weeds and moulds in horses residing in the southern Unites States. ANIMALS: Twenty four clinically normal horses in the southern United States...
July 18, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28722195/persistent-papilloma-treated-with-cryotherapy-in-three-dogs
#2
Austin W Richman, Allison L Kirby, Wayne Rosenkrantz, Russell Muse
BACKGROUND: Canine papillomaviruses can affect the mucous membranes and skin of young, old and immunocompromised dogs. Most lesions regress spontaneously over a four to eight week interval; however, in some cases the lesions may persist or progress. Cryotherapy is used as a treatment for papillomavirus induced lesions in veterinary practice but there is limited published evidence regarding its use. OBJECTIVES: To describe the history, lesions and treatment outcomes of three dogs with persistent viral papillomas treated with cryotherapy...
July 18, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28691193/fluralaner-as-a-single-dose-oral-treatment-for-caparinia-tripilis-in-a-pygmy-african-hedgehog
#3
Camilo Romero, Galia Sheinberg Waisburd, Jocelyn Pineda, Rafael Heredia, Enrique Yarto, Alberto M Cordero
BACKGROUND: African pygmy hedgehogs (Atelerix albiventris) are popular pets belonging to the Erinaceidae family of spined mammals. Amongst the most common skin diseases occurring in this species is infestation caused by the mite Caparinia spp. Due to their skin anatomy and spiny coat, detection of skin lesions in these hedgehogs can be difficult. This may result in delays in seeking medical care, which may lead to secondary bacterial infection and self-inflicted trauma. Multiple therapies have been used in the treatment of this skin condition including ivermectin, amitraz, fipronil and selamectin...
July 9, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28670783/a-de-novo-germline-mutation-of-dlx3-in-a-brown-swiss-calf-with-tricho-dento-osseus-like-syndrome
#4
Sonja Hofstetter, Monika Welle, Daniela Gorgas, Pierre Balmer, Petra Roosje, Thomas Mock, Mireille Meylan, Vidhya Jagannathan, Cord Drögemüller
OBJECTIVE: A novel congenital disorder affecting a calf was observed, and its phenotype and genetic mutation identified. ANIMAL: A six-month-old female Brown Swiss calf. METHODS: Diagnostic investigation and whole genome sequencing of a case parent trio was performed. RESULTS: The calf had a dull kinky coat with mild hypotrichosis, and teeth with brown staining and enamel defects. Histological examination of skin biopsies was compatible with a follicular dysplasia...
July 2, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28664559/comparison-of-the-intradermal-irritant-threshold-concentrations-of-nine-allergens-from-two-different-manufacturers-in-clinically-nonallergic-dogs-in-the-usa
#5
Desirae A Foust-Wheatcraft, Darin L Dell, Wayne S Rosenkrantz, Craig E Griffin
BACKGROUND: The intradermal irritant threshold concentration for many allergens is unknown. OBJECTIVE: To determine the intradermal irritant threshold concentration (ITC) of nine allergens from two different manufacturers. ANIMALS: Twenty privately owned clinically nonallergic dogs. METHODS: Alternaria, cat dander, Dermatophagoides farinae, Chenopodium album (lamb's quarter), Xanthium strumarium (cocklebur), Prosopis glandulosa (mesquite), Morus alba (white mulberry), Cynodon dactylon (Bermuda grass) and Phleum pretense (Timothy grass) from two manufacturers (ALK; Round Rock, TX, USA and Greer(®) Laboratories; Lenoir, NC, USA) were injected intradermally at two dilutions and at 15 and 30 min evaluated subjectively (1-4) and objectively (horizontal wheal diameter) by two blinded investigators...
June 29, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28627100/subcutaneous-extraskeletal-osteosarcoma-in-a-metatarsal-footpad-in-a-cat
#6
Ramón Almela, Wolf von Bomhard, Agustina Ansón, Ursula Mayer
BACKGROUND: Extraskeletal osteosarcomas (ESOSAs) are rare neoplasms in humans and animals. In cats, ESOSA has been reported to arise from orbital, ocular, intestinal, mammary and subcutaneous locations. Subcutaneous ESOSA occurs most commonly at sites used for vaccination including interscapular, dorsal lumbar or thigh areas. Previous reports of feline cases have not documented the use of advanced diagnostic imaging to exclude a primary bone tumour. OBJECTIVE: To describe the clinicopathological and advanced imaging findings of a subcutaneous ESOSA occurring in a metatarsal footpad of a cat and to report the one year follow-up status...
June 18, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28626949/diagnosis-and-treatment-of-concurrent-dermal-malignant-melanoma-and-melanocytomas-in-a-pygmy-hippopotamus-choeropsis-liberiensis
#7
Richard A Saunders, Rowena S Killick, Michelle G Barrows, Kelly A Bowlt, Daniella Denk
BACKGROUND: Dermal melanocytic neoplasms are common in some even-toed ungulates (Artiodactyla), yet this entity has not been reported in the pygmy hippopotamus to date. Concurrent occurrence of multiple benign and malignant melanocytic neoplasms is unusual. Malignant transformation occurs in a small percentage of benign melanocytic tumours in people but this phenomenon has not been well documented in animals. OBJECTIVES: To report the diagnosis and treatment of concurrent dermal melanocytomas and malignant melanomas in a pygmy hippopotamus...
June 18, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28585337/ultramicronized-palmitoylethanolamide-counteracts-the-effects-of-compound-48-80-in-a-canine-skin-organ-culture-model
#8
Francesca Abramo, Giulia Lazzarini, Andrea Pirone, Carla Lenzi, Sonia Albertini, Maria F Della Valle, Carlo Schievano, Iacopo Vannozzi, Vincenzo Miragliotta
BACKGROUND: Ultramicronized palmitoylethanolamide (PEA-um) has been reported to reduce pruritus and skin lesions in dogs with moderate atopic dermatitis and pruritus. HYPOTHESIS/OBJECTIVES: A canine ex vivo skin model was used to investigate the ability of PEA-um to counteract changes induced by compound 48/80, a well-known secretagogue that causes mast cell degranulation. ANIMALS: Normal skin was obtained from three donor dogs subjected to surgery for reasons unrelated to the study...
June 5, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28585294/ichthyosis-fetalis-in-a-cross-bred-lamb
#9
Antonio Carlos Lopes Câmara, Pedro Augusto Cordeiro Borges, Silvano Alves Paiva, Felipe Pierezan, Benito Soto-Blanco
BACKGROUND: Ichthyosis is a dermatological disease characterized by varying degrees of generalized hyperkeratosis and alopecia. Two congenital forms of ichthyosis are recognized in animals: fetalis (IF) and congenita. The disease occurs rarely in cattle, swine, dogs, chickens and a goat; it has not been reported in sheep. HYPOTHESIS/OBJECTIVES: To provide clinical, laboratory and pathological assessments of a case of IF in a cross-bred lamb. ANIMALS: A male cross-bred lamb...
June 5, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28560784/reversible-and-cachexia-associated-feline-skin-fragility-syndrome-in-three-cats
#10
Nicla Furiani, Ilaria Porcellato, Chiara Brachelente
BACKGROUND: Feline skin fragility syndrome (FSFS) is an acquired disorder characterized by altered collagen production resulting in an extremely thin and fragile skin. FSFS is associated with diseases characterized by excessive steroidal hormones that can inhibit collagen synthesis. It is also described concomitantly with severe inflammatory, infectious or neoplastic conditions where the pathogenesis remains largely unknown. OBJECTIVES: To describe three cases of FSFS in cats that become cachectic secondary to different causes without glucocorticoid involvement...
May 31, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28544307/afoxolaner-and-fluralaner-treatment-do-not-impact-on-cutaneous-demodex-populations-of-healthy-dogs
#11
Christine M Zewe, Laura Altet, Andrea T H Lam, Lluís Ferrer
BACKGROUND: Fluralaner and afoxolaner are isoxazolines licensed for the treatment of flea and tick infestations. Isoxazolines have also shown efficacy for treatment of demodicosis. Nothing is known about the impact of these compounds on the populations of Demodex in healthy dogs. HYPOTHESIS/OBJECTIVES: The objective of this study was to measure the prevalence of Demodex in the skin of healthy dogs prior to and following the use of either afoxolaner or fluralaner, using real-time PCR (RT-PCR) for Demodex DNA...
May 23, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28544017/evaluation-of-canine-adverse-food-reactions-by-patch-testing-with-single-proteins-single-carbohydrates-and-commercial-foods
#12
Cornelia Johansen, Claire Mariani, Ralf S Mueller
BACKGROUND: Adverse food reaction (AFR) is an important differential diagnosis for the pruritic dog. It is usually diagnosed by feeding an elimination diet with a novel protein and carbohydrate source for eight weeks followed by subsequent food provocation. A previous study demonstrated that patch testing dogs with foods had a high sensitivity and negative predictability for selection of elimination diet ingredients. HYPOTHESIS/OBJECTIVES: The aim of this study was to investigate patch testing with proteins, carbohydrates and dry commercial dog food in dogs to determine whether there was value in patch testing to aid the diagnosis of canine adverse food reaction...
May 22, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28543810/in-vitro-bactericidal-activity-of-blue-light-465-nm-phototherapy-on-meticillin-susceptible-and-meticillin-resistant-staphylococcus-pseudintermedius
#13
Amy H Schnedeker, Lynette K Cole, Gwendolen Lorch, Sandra F Diaz, John Bonagura, Joshua B Daniels
BACKGROUND: Staphylococcus pseudintermedius is the most common cause of bacterial skin infections in dogs. Meticillin-resistant infections have become more common and are challenging to treat. Blue light phototherapy may be an option for treating these infections. HYPOTHESIS/OBJECTIVES: The objective of this study was to measure the in vitro bactericidal activity of 465 nm blue light on meticillin-susceptible Staphylococcus pseudintermedius (MSSP) and meticillin-resistant Staphylococcus pseudintermedius (MRSP)...
May 22, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28543828/demodicosis-in-a-ferret-caused-by-demodex-canis
#14
LETTER
Christine M Zewe, Jennifer Graham, Andrea T H Lam, Lluis Ferrer
No abstract text is available yet for this article.
May 21, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28513001/the-frequency-of-urinary-tract-infection-and-subclinical-bacteriuria-in-dogs-with-allergic-dermatitis-treated-with-oclacitinib-a-prospective-study
#15
Andrew C Simpson, Jennifer R Schissler, Rod A W Rosychuk, A Russell Moore
BACKGROUND: Oclacitinib is a selective Janus kinase inhibitor for the treatment of canine allergic pruritus and atopic dermatitis in dogs. Glucocorticoids and ciclosporin increase urinary tract infection (UTI) frequency in dogs with inflammatory skin disease. OBJECTIVE: Prospective study to evaluate the frequency of UTI and subclinical bacteriuria in dogs with allergic dermatitis receiving oclacitinib. METHODS: Client-owned dogs ≥2 years of age with a history of allergic dermatitis without apparent history of urinary tract disease or predisposition to UTI were included...
May 17, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28503777/determination-of-threshold-concentrations-of-plant-pollens-in-intradermal-testing-using-fluorescein-in-clinically-healthy-nonallergic-cats
#16
Fiona M Scholz, Amanda K Burrows, Craig E Griffin, Russell Muse
BACKGROUND: Currently the same allergen concentrations for canine intradermal testing (IDT) are recommended for feline IDT. Feline skin reactions are subtle and more difficult to read than canine reactions. This difference may be due to suboptimal allergen concentrations used for IDT in cats. HYPOTHESIS/OBJECTIVES: To determine the irritant threshold concentration (ITC) of 16 pollen allergens using serial dilutions of allergen and intravenous fluorescein. The hypothesis tested was that feline IDT currently is performed at suboptimal allergen concentrations for pollens...
May 14, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28470877/in-vitro-comparison-of-the-dermal-penetration-of-three-different-topical-formulations-containing-lasalocid
#17
Evie C Knight, Darren J Trott, Stephen W Page, Sanjay Garg, Qian Zhang, Yunmei Song, Esmaeil Ebrahimie, Paul C Mills, Michael A Shipstone
BACKGROUND: Topical antimicrobial preparations are of utmost importance in treating suspected and confirmed meticillin-resistant Staphylococcus pseudintermedius (MRSP) infections due to the increasing incidence of widespread resistance to systemic antimicrobials. Lasalocid is active against MRSP in vitro and this may become an important topical antimicrobial for the treatment of canine pyoderma. HYPOTHESIS/OBJECTIVES: To determine effects of various formulation types on penetration and retention of lasalocid applied to canine skin in vitro...
May 3, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28470871/survival-of-staphylococcus-pseudintermedius-in-modified-romanowsky-staining-solutions
#18
Angus Misan, Wei Yee Chan, Darren Trott, Peter B Hill
BACKGROUND: Stains that are used regularly for patient-side diagnosis to rapidly identify bacterial and fungal infections could become contaminated by common pathogens, such as Staphylococcus pseudintermedius, during slide immersion. HYPOTHESIS/OBJECTIVES: To determine whether the inoculation of S. pseudintermedius into modified Romanowsky type stains (Quick Dip(®) ) results in viable bacterial contamination and whether this is influenced by the addition of organic debris (canine hair and skin)...
May 3, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28516495/introduction-to-the-world-association-for-veterinary-dermatology-and-the-clinical-consensus-guidelines
#19
EDITORIAL
Aiden Foster, Wayne Rosenkrantz, Catherine Outerbridge, Tony Barnett
No abstract text is available yet for this article.
June 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28516494/recommendations-for-approaches-to-meticillin-resistant-staphylococcal-infections-of-small-animals-diagnosis-therapeutic-considerations-and-preventative-measures-clinical-consensus-guidelines-of-the-world-association-for-veterinary-dermatology
#20
REVIEW
Daniel O Morris, Anette Loeffler, Meghan F Davis, Luca Guardabassi, J Scott Weese
BACKGROUND: Multiple drug resistance (MDR) in staphylococci, including resistance to the semi-synthetic penicillinase-resistant penicillins such as meticillin, is a problem of global proportions that presents serious challenges to the successful treatment of staphylococcal infections of companion animals. OBJECTIVES: The objective of this document is to provide harmonized recommendations for the diagnosis, prevention and treatment of meticillin-resistant staphylococcal infections in dogs and cats...
June 2017: Veterinary Dermatology
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