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Dog ear

Gustavo F Paz, Jeronimo M N Rugani, Andreza P Marcelino, Célia M F Gontijo
The aim of this study was to evaluate the relationship between naturally occurring Leishmania spp. infections in dogs (Canis familiaris) and the practical implications of the use of serological and molecular methods to confirm diagnoses. The study population consisted of 96 domestic dogs in southeastern Brazil. Serum samples were tested for the presence of anti-Leishmania immunoglobulin G (IgG) antibodies using four commercial canine visceral leishmaniasis kits. Dogs confirmed positive by immunofluorescence antibody test (IFAT) were culled and samples from mesenteric lymph nodes, spleen border, bone marrow and ear skin were taken and submitted to DNA extraction...
March 12, 2018: Acta Tropica
Sarah Ehling, Ronald E Baynes, Wolfgang Bäumer
OBJECTIVE To determine the pharmacokinetics of florfenicol, terbinafine, and betamethasone acetate after topical application to canine auricular skin and the influence of synthetic canine cerumen on pharmacokinetics. SAMPLE Auricular skin from 6 euthanized shelter dogs (3 females and 3 neutered males with no visible signs of otitis externa). PROCEDURES Skin adjacent to the external opening of the ear canal was collected and prepared for use in a 2-compartment flow-through diffusion cell system to evaluate penetration of an otic gel containing florfenicol, terbinafine, and betamethasone acetate over a 24-hour period...
March 2018: American Journal of Veterinary Research
Norman Pastorek, Benjamin Bradford
While many of the basic tenants of upper lid blepharoplasty remain constant regardless of skin type, the thick-skinned eyelid patient requires special consideration. The brow may be naturally lower in the thick-skinned patient. These patients are more prone to having the brow pulled downward while attempting to remove redundant skin. There may also be more fat in the medial and central compartments. There may be fat in a lateral compartment overlying the lacrimal gland. Patient's expectations for a deep lid sulcus and complete excision of redundant skin may not be possible...
February 2018: Facial Plastic Surgery: FPS
Csilla Becskei, Otto Cuppens, Sean P Mahabir
BACKGROUND: Various treatments are available for ear mite infestations in dogs. OBJECTIVE: The efficacy of sarolaner was evaluated against ear mite infestation caused by Otodectes cynotis in dogs and compared with topical moxidectin/imidacloprid in a single-masked, multi-centre field study. ANIMALS: Client-owned dogs with O. cynotis infestation were treated monthly with oral sarolaner (n = 163) or topical moxidectin/imidacloprid (n = 78). METHODS: The presence of mites in the ear canals and the clinical signs associated with otoacariasis (including head shaking, pruritus/ear scratching, trauma or alopecia of the pinnae, and erythema, ulceration and debris in the ear canals) was evaluated on days 0, 14 and 30, and, if applicable, on day 60...
February 1, 2018: Veterinary Dermatology
Alissa Bally, Karelma Frontera Acevedo, Indira Pargass, Lana Gyan, Stacy Rajh, Rod Suepaul
An 8-year-old male (neutered) Labrador with a history of erythematous skin lesions and exercise intolerance for a prolonged period was suddenly found dead. Necropsy findings revealed an infiltrative, focally extensive mass which occupied 25% of the cardiac interventricular septum. Severe endocardiosis was also found on the bicuspid and tricuspid valves. The submandibular lymph nodes and kidneys were bilaterally enlarged, and the pre-hepatic lymph node and spleen were also enlarged. Multiple dermal pustules were present around the mouth and on the ear, and small ulcers were present on the tongue...
January 20, 2018: Veterinary Sciences
S Paterson
The aim of this study was to describe otitis media with effusion in seven boxers. All dogs presented with a range of clinical signs, which included head shaking, neurological dysfunction, pain on opening of the mouth and reduction in hearing ability. Otitis media was confirmed under general anaesthesia in each case by video-otoscopic identification of a bulging pars tensa and subsequent myringotomy, which revealed a tenacious mucus plug within the middle ear. Brainstem auditory evoked response thresholds were elevated in all affected ears...
December 12, 2017: Journal of Small Animal Practice
L Zhang, Z Xie, W Zhang, H Lin, X Lv
No abstract text is available yet for this article.
January 2018: Techniques in Coloproctology
Sian-Marie Frosini, Ross Bond
Emergence of multidrug-resistance in Staphylococcus pseudintermedius (SP) has increased interest in topical therapy as an alternative to systemic antibiotics in canine pyoderma. The antifungal imidazole, clotrimazole, is contained in numerous licensed canine ear preparations. Its in vitro activity against SP has not been evaluated, although previous studies have shown that the related imidazole, miconazole, has significant anti-staphylococcal efficacy. We therefore determined minimum inhibitory concentrations (MICs) of clotrimazole amongst 50 SP isolates (25 methicillin-resistant [MR]SP and susceptible [MS]SP) collected from dogs in Germany during 2010-2011 using an agar dilution method (CLSI VET01-A4)...
November 22, 2017: Antibiotics
Brittany McHale, Uriel Blas-Machado, Fabiano N Oliveira, Daniel R Rissi
Cutaneous and mucocutaneous plasmacytoma (PCT) is a common neoplasm of dogs. Tumors can be single or multiple and occur predominantly in the oral cavity, lip, ears, digits, and trunk. Although these tumors typically offer no diagnostic challenge for the pathologist, subsets of PCTs with atypical morphologic configurations may make differentiation from other neoplasms difficult. We describe 6 cases of canine cutaneous and mucocutaneous PCT with pseudoglandular arrangement of neoplastic cells. The mean age of affected dogs was 11...
November 1, 2017: Journal of Veterinary Diagnostic Investigation
Andreas M Skaria
No abstract text is available yet for this article.
November 14, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Shunsuke Itai, Shinji Yamada, Mika K Kaneko, Hiroyuki Harada, Yumiko Kagawa, Satoru Konnai, Yukinari Kato
Oral squamous cell carcinoma is an aggressive tumor in cats; however, molecular-targeted therapies against this tumor, including antibody therapy, have not been developed. Sensitive and specific monoclonal antibodies (mAbs) against highly expressed membrane proteins are needed to develop antibody therapies. Podoplanin, a type I transmembrane glycoprotein, is expressed in many human malignant tumors, including brain tumor, esophageal cancer, lung cancer, mesothelioma, and oral cancer. Podoplanin binds to C-type lectin-like receptor-2 (CLEC-2) and activates platelet aggregation, which is involved in cancer metastasis...
November 1, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
Martine A van Huizum, J Joris Hage, Hester A Oldenburg, Marije J Hoornweg
BACKGROUND: Breast-conserving therapy is defined as a breast-conserving wide local excision (WLE) of a mammary tumour combined with postoperative radiotherapy. Immediate restoration of the mammary shape by use of breast reduction techniques (volume displacement) or tissue replacement techniques (volume replacement) is gaining popularity to prevent breast malformation. METHODS: To date, using the internal mammary artery perforator (IMAP) flap has been suggested for immediate volume replacement after WLE, but has never been evaluated in a published study...
November 2017: Archives of Plastic Surgery
Elpida Artemiou, Gregory E Gilbert, Fortune Sithole, Liza S Koster
Some veterinary students experience elevated stress, anxiety, and depression resulting in disease and psychological changes. Elevated arousal, negative moods, and lack of interest can negatively affect performance and learning. Psychoacoustic music promotes calming effects using simple and slow piano sounds and can positively impact well-being and functioning. This pilot study assessed the effects of music on blood pressure, pulse, arousal, and mood during a canine physical examination laboratory. In an AB/BA crossover study, 17 students were randomly allocated to practice physical examination skills while listening to Through a Dog's Ear, Volume 1...
September 27, 2017: Veterinary Sciences
Anita V Schweizer, Renaud Lebrun, Laura A B Wilson, Loïc Costeur, Thomas Schmelzle, Marcelo R Sánchez-Villagra
A broad sample of wolves, dingoes, and domesticated dogs of different kinds and time periods was used to identify changes in size and shape of the organs of balance and hearing related to domestication and to evaluate the potential utility of uncovered patterns as markers of domestication. Using geometric morphometrics coupled with non-invasive imaging and three-dimensional reconstructions, we exposed and compared complex structures that remain largely conserved. There is no statistically significant difference in the levels of shape variation between prehistoric and modern dogs...
October 17, 2017: Scientific Reports
Audrey Belmudes, Charline Pressanti, Paul Y Barthez, Eloy Castilla-Castaño, Lionel Fabries, Marie C Cadiergues
BACKGROUND: Computed tomography (CT) is considered to be the reference method to evaluate middle ear structures. OBJECTIVES: To evaluate the presence and severity of CT changes in the middle ear and establish if any specific clinical presentations are associated with otitis media. ANIMALS: Medical records of animals referred for CT with history and clinical signs consistent with middle ear disease. METHODS: Retrospective evaluation of CT examinations of tympanic bullae performed over a six year period...
October 10, 2017: Veterinary Dermatology
Katrien Wijnrocx, Leonie W L Van Bruggen, Wieteke Eggelmeijer, Erik Noorman, Arnold Jacques, Nadine Buys, Steven Janssens, Paul J J Mandigers
Chiari-like malformation (CM), syringomyelia (SM) and middle ear effusion (also called PSOM) are three conditions that frequently occur in Cavalier King Charles Spaniels (CKCS). Both CM and SM are currently screened in the Netherlands prior to breeding and are graded according to the British Veterinary Association's Kennel Club (BVA/KC) scheme. This study evaluated the prevalence and estimated genetic parameter of CM, SM and middle ear effusion from 12 years of screening results. For SM, the classical method using the BVA/KC scheme, was compared with exact measuring of the central canal dilation...
2017: PloS One
Thomas A Jennings, James C Keane, Rajat Varma, Stephanie B Walsh, Conway C Huang
BACKGROUND: When an excision is performed by a method other than elliptical excision, direct primary wound closure can result in standing cones or "dog-ears." In 2008, Lee and colleagues noted that dog-ears of <8 mm in height have a statistically greater tendency to resolve without further surgical correction than larger dog-ears. OBJECTIVE: To stratify dog-ears by anatomic location and inform on the need for correction at the time of surgery. MATERIALS AND METHODS: After tumor extirpation, patients were counseled that primary closure of the surgical wound would result in dog-ears at the wound apices...
November 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
Kyung Pil Kim, Ho Seup Sim, Jun Ho Choi, Sam Yong Lee, Do Hun Lee, Seong Hwan Kim, Hong Min Kim, Jae Ha Hwang, Kwang Seog Kim
BACKGROUND: The cheek rotation flap has sufficient blood flow and large flap size and it is also flexible and easy to manipulate. It has been used for reconstruction of defects on cheek, lower eyelid, or medial and lateral canthus. For the large defects on central nose, paramedian forehead flap has been used, but patients were reluctant despite the remaining same skin tone on damaged area because of remaining scars on forehead. However, the cheek flap is cosmetically superior as it uses the adjacent large flap...
December 2016: Archives of Craniofacial Surgery
Yutaka Momota, Kenichiro Shimada, Naoyuki Minorikawa, Azusa Gin, Takako Matsubara, Yuka Nakamura, Masaaki Katayama, Toshinori Sako
BACKGROUND: Hydration is one parameter of skin barrier function. The Skicon-200EX(®) and Corneometer CM825(®) are hygrometers used to measure skin hydration in humans based on different measurement methods. The ASA-MX3(®) is a hygrometer used to obtain measurements at haired skin sites in humans. HYPOTHESIS/OBJECTIVES: To validate three hygrometers to measure skin dryness in dogs. ANIMALS: Six clinically normal research dogs. METHODS: In vivo evaluation of three hygrometers for three different skin types was performed...
September 3, 2017: Veterinary Dermatology
Jamille Mirelle de Oliveira Cardoso, Henrique Gama Ker, Rodrigo Dian de Oliveira Aguiar-Soares, Nádia das Dores Moreira, Fernando Augusto Siqueira Mathias, Levi Eduardo Soares Reis, Bruno Mendes Roatt, Paula Melo de Abreu Vieira, Wendel Coura-Vital, Cláudia Martins Carneiro, Alexandre Barbosa Reis
Canine visceral leishmaniosis (CVL) is a zoonosis of major public health impact caused by organisms of the genus Leishmania which is transmitted to human and animals by phlebotomine sand flies. The skin is the first point of contact with Leishmania parasites for sandy fly vectors and it is considered an important reservoir compartment in infected dogs. The aim of this study was to determine the main histophatologic alterations in ear skin of dogs naturally infected by Leishmania infantum with different clinical status and different degrees of parasitism...
August 30, 2017: Veterinary Parasitology
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