Diagnóstico clínico, laboratorial e tratamento cirúrgico do carcinoma de células escamosas no genital de equinos machos: relatos de dois casos

Rabbers, Andressa Sabine; Rabelo, Rogério Elias; Vulcani, Valcinir Aloísio Scalla; Sant’Ana, Fabiano José Ferreira de; Lima, Caroline Rocha de Oliveira; Silva, Luiz Antônio Franco da

doi:10.4322/rbcv.2014.020

Cited by 7 publications

(8 citation statements)

References 8 publications

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“…O exame histopatológico, além de exames clínicos e complementares, é de extrema importância para a confirmação do diagnóstico de CCE genital em equinos (RABBERS et al, 2014).…”

Section: Resultsunclassified

Penectomia parcial em equino com carcinoma espinocelular: relato de caso

Oporto

Yamada

Silva

et al. 2018

Rev. Educ. Cont. Med. Vet. Zootec.

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O carcinoma espinocelular, ou carcinoma epidermóide, é uma neoplasia maligna de células escamosas. Possui crescimento rápido nas células epidérmicas, sendo comumente encontrado na espécie equina, em regiões como pênis e prepúcio, tendo maior predileção por animais de idade avançada e não castrados. O diagnóstico diferencial é baseado em fatores como sintomatologia clínica e citologia, assim como no exame histopatológico da lesão. Dentre as possibilidades para acometimento em pênis, a remoção cirúrgica da lesão, ou seja, a penectomia, é o tratamento de eleição para o carcinoma espinocelular, pontuando que, nessa neoplasia, é comum haver casos de recidiva . Este trabalho relata um caso de carcinoma epidermóide em um equino sem raça definida (SRD) atendido no hospital veterinário (HV) da Faculdade Dr. Francisco Maeda e descreve a técnica cirúrgica utilizada para o tratamento.

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“…O exame histopatológico, além de exames clínicos e complementares, é de extrema importância para a confirmação do diagnóstico de CCE genital em equinos (RABBERS et al, 2014).…”

Section: Resultsunclassified

Penectomia parcial em equino com carcinoma espinocelular: relato de caso

Oporto

Yamada

Silva

et al. 2018

Rev. Educ. Cont. Med. Vet. Zootec.

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“…É de suma importância que a diferenciação faça com o conjunto de anamnese, consulta clínica e exames complementares como histopatológico. (RABBERS et. al.…”

Section: Câmara E Feijó 2009)unclassified

“…Equinos com lesões típicas de Carcinoma de Células Escamosas na região de pênis e prepúcio.Fonte: Rabbers et. al.…”

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Principais Dermatopatias Em Equinos

Lima¹,

Costa²,

Teixeira³

et al. 2021

Agrárias: Pesquisa E Inovação Nas Ciências Que Alimentam O Mundo VI

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O conteúdo deste livro está licenciado sob uma Licença de Atribuição Creative Commons Atribuição-Não-Comercial NãoDerivativos 4.0 Internacional (CC BY-NC-ND 4.0). Direitos para esta edição cedidos à Editora Artemis pelos autores. Permitido o download da obra e o compartilhamento, desde que sejam atribuídos créditos aos autores, e sem a possibilidade de alterá-la de nenhuma forma ou utilizá-la para fins comerciais.A responsabilidade pelo conteúdo dos artigos e seus dados, em sua forma, correção e confiabilidade é exclusiva dos autores. A Editora Artemis, em seu compromisso de manter e aperfeiçoar a qualidade e confiabilidade dos trabalhos que publica, conduz a avaliação cega pelos pares de todos manuscritos publicados, com base em critérios de neutralidade e imparcialidade acadêmica.

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“…O pós-operatório consistiu em acompanhamento diário a fim de evitar edema, miíases e outras complicações. Foi feito o uso de ducha com água sob pressão na ferida cirúrgica durante 10 min, segundo Rabbers et al [10]. Antibioticoterapia com Enrofloxacina 8 [Zelotril ® -2,5 mg/kg, i.m SID, por 7 dias] e Meloxicam 9 [Maxicam ® -0,5 mg/kg, i.m, SID, por 7 dias].…”

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Partial Penectomy in a Horse with Paraphimosis

Rocha

Ott

Chenard

et al. 2021

Acta Scientiae. Vet.

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Background: In horses, an increase in the volume of penis and foreskin can be caused by trauma. The resultant edema interferes with the retraction of the penis and cause paraphimosis. Surgical intervention through penectomy is indicated in cases wherein an alternative treatment is not feasible. Partial penectomy can prolong the life and reproductive function of many stallions. The present study aims to report on the methodological, functional, and economic feasibility of a successful case of the use of Williams technique for partial penectomy performed in the field in a horse with paraphimosis, preserving urinary, productive, and reproductive functions.Case: A 10-year-old horse weighing 500 kg had clinical signs of paraphimosis due to the formation of granulomatous tissue following trauma to the glans region. A surgical intervention, namely a partial penectomy was decided to be performed to prevent injury from priapism. Due to the limited resources provided by the owner and the impossibility of moving the animal to a surgical center in a veterinary hospital, the procedure was performed in the field, with prior sanitization and preparation of the environment used to perform surgery. The horse was tranquilized with intravenous xylazine hydrochloride and acepromazine, with subsequent induction of anesthesia with ready-to-use (RTU) guaifenesin bolus and maintenance of anesthesia with an intravenous association of RTU guaifenesin, xylazine hydrochloride, and ketamine. The distal third of the penis was amputated using the recommended Williams technique. Although the complications like dehiscence and emergence of granulation tissue occurred after surgery, these were controlled in the daily follow-up of the animal and post-surgical treatment.Discussion:Paraphimosis predisposed the horse to abrasions and edema of the exposed portion of the penis. However, there was no urine retention, which suggested that the urethral ostium and the urethra had no lesions. Because the granulomatous lesions were located in the distal third of the penis and the extent of penile exposure was small, the partial penectomy technique proved effective in solving the permanent exposure of the penis. The anesthetic protocol used was inexpensive, easy to execute, and effective, and no anesthetic complications occurred, proving this protocol to be efficient for the anesthetic induction of animals in the field.In addition to being reliable and widespread, the Williams technique was recommended to prevent possible urethral stenosis and the development of contact dermatitis by urine. This technique makes a rapid recovery of the animal possible, with improvement of its physiological parameters, and due to ease of being able to be done in the field, it is also inexpensive. The edema and the granulation tissue that occurred after surgery were controlled with medication. In general, post-penectomy animals are not used for reproduction. This makes the present report an important contribution, because in cases in which the lesions present a distal disposition and the penile exposure is small, stallions have a chance of maintaining reproductive function after surgery, even with a long period of evolution before surgical treatment. This was demonstrated in the present case, as the animal in this case later impregnated a mare, with the pregnancy confirmed by ultrasound examination. Partial penectomy is a resolution technique for cases of traumatic paraphimosis, in which exuberant granulation tissue is formed in the distal third of the penis, with a long period of evolution. The surgery can be done in the field, with a low surgical cost to the owner, and a good productive and reproductive prognosis for the animal.Keywords: partial penectomy, paraphimosis, Williams technique, horse.Descritores: penectomia parcial, parafimose, técnica de William, equino.Título: Penectomia em equino com parafimose

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Diagnóstico clínico, laboratorial e tratamento cirúrgico do carcinoma de células escamosas no genital de equinos machos: relatos de dois casos

Abstract: Diagnóstico clínico, laboratorial e tratamento cirúrgico do carcinoma de células escamosas no genital de equinos machos: relatos de dois casos* Clinical and laboratorial diagnosis and surgical treatment of genital squamous cell carcinoma in male horses: report of two cases

Cited by 7 publications

References 8 publications

Penectomia parcial em equino com carcinoma espinocelular: relato de caso

Penectomia parcial em equino com carcinoma espinocelular: relato de caso

Principais Dermatopatias Em Equinos

Partial Penectomy in a Horse with Paraphimosis

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