RESUMORelata-se um caso de pitiose intestinal em um Husky Siberiano, de um ano de idade, macho atendido em um Hospital Veterinário Escola com sinais de obstrução intestinal. Ao exame físico, notou-se massa cilíndrica na região abdominal cranial, posteriormente confirmada por meio de radiografia e ultrassonografia. Durante a laparotomia exploratória, constatou-se massa extraluminal envolvendo o jejuno e alterações na parede do órgão. Realizou-se a ressecção da porção afetada do intestino e, posteriormente, anastomose. O exame histológico do tecido evidenciou inflamação piogranulomatosa acentuada. Na coloração de prata metenamina de Grocott, hifas septadas foram observadas. O diagnóstico de infecção por Pythium insidiosum foi confirmado por meio da imunoistoquímica. Após a cirurgia, o animal restabeleceu a defecação; no 30° dia pós-cirúrgico, foi relatada ainda presença de diarreia. O tratamento com itraconazol e terbinafina foi instituído durante 60 dias. Após dois anos do procedimento cirúrgico e do tratamento com antifúngicos orais, o cão não apresentou recidiva. (Cock et al., 1987;Graham et al., 2000; Rech et al., 2004;Rodrigues et al., 2006) , 2006). Somente o P. insisdiosum acomete mamíferos, entre os quais equinos, caninos, felinos, bovinos e humanos. Nas espécies não domésticas, já foi citado em um urso cativo, um jaguar e um camelo (Camus et al., 2004;Wellehan et al., 2004). A doença ocorre principalmente em regiões de clima tropical, subtropical e temperado, e já foi relatada no continente americano, alguns países europeus,
ABSTRACT.-Terzariol M., Hünning P.S., Brambatti G., Albuquerque L., Neumann C. & Pigatto J.A. T. 2016 The aim was to investigate the ultrastructural changes in the corneal endothelium of pigs induced by intracameral 0.05% brilliant blue. Twenty swine corneas were separated into two groups, the right eye bulbs (control group) and the left eye bulbs (experimental group) of the same animal. All the eye bulbs were evaluated with specular microscopy. The cornea of the right eye bulbs was excised and in the left eye bulbs 0.2ml of 0.05% brilliant blue vital dye (OPTH-blue ® ) was injected into the anterior chamber, where it remained for one minute. Then the anterior chamber was cleaned with a balanced salt solution injection and the cornea was excised too. All the corneas were evaluated by scanning electron microscopy to evaluate the changes on the endothelium caused by the brilliant blue dye. There were no significant differences between the right corneal endothelium cells and the left corneal endothelium cells with scanning electron microscopy after intracameral use of 0.05% brilliant blue dye. The 0.05% brilliant blue dye concentration did not cause deleterious effects for the swine corneal endothelium after intracameral use and can be a choice for safe staining of the anterior capsule of the lens in cataract surgery.INDEX TERMS: Eye, brilliant blue 0.05%, toxicity, corneal endothelium, swine.
RESUMO Mensuração da pressão intraocular em ovinos, usando tonômetro de aplanaçãoO objetivo deste estudo foi avaliar e estabelecer os valores de pressão intraocular (PIO) média, em ovinos adultos saudáveis, usando a tonometria de aplanação. Foram utilizados no estudo 25 ovinos saudáveis (Ovis aries), da raça Texel, machos ou fêmeas de três anos de idade. Foram realizados exames oftálmicos, incluindo: avaliação dos reflexos pupilares, teste lacrimal de Schirmer, avaliação com lâmpada de fenda e coloração com fluoresceína, em ambos os olhos de todos os animais. Para a realização dos testes oftálmicos, os animais foram contidos pelo mesmo auxiliar, sem pressão na região jugular e as pálpebras foram delicadamente abertas. A PIO foi aferida, utilizando-se o tonômetro de aplanação Tonopen XL, tendo sido todos os exames realizados pelo mesmo examinador. Foram realizadas três avalia- The purpose of this study was to evaluate and establish the mean values of IOP in healthy adult sheep using an applanation tonometer. Information on age, sex, and breed was obtained for all animals included in this study. Twenty five healthy sheep (Ovis aries), of the same breed (Texel), male or female, with three years of age, received an ophthalmic examination in both eyes, including pupillary reflexes, Schirmer tear test, slit lamp biomicroscopy, and fluorescein staining. For all ophthalmic testing, animals were gently physically restrained, with no pressure in the jugular area and the eyelids were carefully open. IOP was measured by applanation tonometry (Tonopen XL). The same examiner performed the tonometry; measurements were taken three times for each eye, and their average was recorded as the IOP of the animal. Statistical analysis was performed using paired t-test and values of P < 0.05 were considered significant. The mean intraocular pressure in the whole group of 50 eyes was of 16.36 +/-2.19 mm Hg. The mean (SD) IOP in the right eye was of 15.96 +/-2.02 mm Hg, while the mean (SD) IOP in the left eye was of 16.76 +/-2.32 mm Hg. Significant differences in IOP were not found between right and left eyes. The applanation tonometer was adequate for measuring the intraocular pressure in sheep. Reference data will assist in diagnosing testing for ophthalmic disease in sheep, as 1 well as promote further studies in this area.
La deficiencia de piruvato quinasa (PK) es un desorden hemolítico autosómico recesivo descrito en perros y gatos. La piruvato quinasa es una de las enzimas regulatorias esenciales de la glicólisis anaeróbica, la deficiencia de esta enzima causa una destrucción prematura de los eritrocitos. El presente es un estudio de caso y relata los hallazgos clínicos y paraclínicos en un perro brasileño de la raza West Highland White Terrier (WHWT) con historia de debilidad e intolerancia al ejercicio. El paciente presentaba mucosas pálidas, anemia hemolítica bastante regenerativa y osteoclerosis. La deficiencia de PK fue confirmada a través de una prueba de ADN raza específica para la inserción 6bp en el extremo 3' del exón 10 de la secuencia del gen de la piruvato quinasa eritrocitaria (R-PK) como fue descrito. Al perro se le practicó eutanasia a los 20 meses de edad debido al deterioro de su estado clínico, el cual incluyó anemia e incompatibilidad sanguínea. En otros casos descritos en perros de la raza WHWT con esta deficiencia, existen relatos hasta de nueve años de sobrevivencia. Los defectos hereditarios deben ser objeto de diagnóstico diferencial importante en casos de anemias hemolíticas crónicas en animales jóvenes después de la exclusión diagnóstica de disturbios inmunomediados y causas infecciosas. Adicionalmente, perros de razas puras para las cuales la prueba de ADN está disponible para enfermedades hereditarias deben ser evaluados antes de la edad reproductiva para limitar la diseminación del alelo mutante y la generación futura de animales deficientes.
The transmissible venereal tumor (TVT) is a contagious neoplasm that occurs in sexually mature dogs, usually transmitted by coitus. This tumor normally affects the genital mucosa and is rarely found in any other part of the body. A case of transmissible venereal tumor in the palpebral conjunctiva of a 3-year old, crossbreed, male dog with a history of an abnormal mass in the right eye was presented. Ophthalmic examination revealed a mass originated from the lower eyelid conjunctiva of the right eye. No other ocular abnormalities were detected. Cytological examination was carried out and the diagnosis was TVT. The dog was treated with lyophilized vincristine sulphate intravenously, once a week, for four weeks. Despite the atypical clinical presentation, the response to chemotherapy with vincristine was excellent leading to complete regression of the neoplasm and no relapse after a year.
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