Otohematoma in domestic cats: A literature review and case report
DOI:
https://doi.org/10.33448/rsd-v15i3.50822Keywords:
Ear condition, General practice, Feline, Treatment.Abstract
Otohematoma is a condition characterized by the accumulation of blood between the auricular cartilage and the skin of the auricle, being relatively common in dogs and less frequent in cats. In cats, it is usually associated with otitis externa, allergic dermatopathies, ectoparasites, and trauma resulting from intense pruritus and head shaking. The diagnosis is clinical, based on inspection and palpation of the ear, observing an increase in floating volume on the concave side of the auricle. Treatment can be conservative or surgical, the latter being the most appropriate to reduce recurrence and permanent deformities. The present study aims to report a case of otohematoma in a domestic cat, addressing the clinical findings, diagnosis, treatment instituted, and patient evolution, in addition to reviewing the literature on the etiopathogenesis, diagnostic methods, and therapeutic approaches to the condition. The case reinforces the importance of identifying and treating the primary cause to prevent recurrence and ensure a better aesthetic and functional prognosis.
References
Beteg, F., Muste, A., Krupaci, A. et al. (2011). Surgical treatment in dog auricular hematoma (othematoma). Bulletin ofUniversity of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. 68(2), 38-42.
Bobany, D. M., Pimentel, M. A. P., Martins, R. R. C. et al. (2010). Atividade antimicrobiana do mel de abelhas jataí em microrganismos do conduto auditivo de caninos. Revista Brasileira de Medicina Veterinária. 32(3), 145-50.
Dienstmann, S. (2010). Revisão sobre otite externa parasitária por Otodectes cynotis em cães e gatos. Revista Acadêmica Ciências Agrárias e Ambientais. 8(2), 215-22.
Eurides, D., Souza, L. A., Oliveira, B. J. N. A. et al. (2008). Drenagem de otohematoma em cães. Revista Portuguesa de Ciências Veterinárias. 103: 59-63.
Fernandes, A. C., Vieira, D. L., & Castelhano, L. M. (2023). Revisão narrativa da literatura: fundamentos e aplicações na pesquisa científica. Revista Científica da Área de Conhecimento, 3(1), 1-7. https://www.editoraverde.org/portal/revistas/index.php/rec/article/view/223
Fontoura, E. G., Dos Santos Valle, B. D., Costa, A. L., De Oliveira Capella, S., Félix, S. R., Mueller, E. N. & de OliveiraNobre, M. (2014). Otite Externa em Pequenos Animais: Revisão de Literatura. Medvep - Revista Científica de Medicina Veterinária - Pequenos Animais e Animais de Estimação; 12(41), 1-637.
Fossum, T. W. (2019). Small animal surgery. (5ed). St. Louis: Elsevier.
Hnilica, K. A. (2012). Dermatologia de pequenos animais: atlas colorido e guia terapêutico. (3ed). Editora Elsevier.
Huang, H. P. (1994). An introduction to Malassezia-associated otitis in dogs. Journal of the Chinese Society of Veterinary Science. 20(3), 211-6.
Johnston, S. A. & Tobias, K. M. (2018). Veterinary surgery: small animal. (2ed). St. Louis: Elsevier.
Joyce, J. (2000). Canine aural haematoma. Waltham Focus. 10(4), 4-9.
Kauss, V. S. & Greuel, A. M. (2020). Otite Externa devido proliferação de Malassezia sp. em Felino. Comfel. v. 44.
Kuwahara J. (1986). Canine and feline aural hematoma: clinical, experimental, and clinicopathologic observations. American Journal of Veterinary Research. 47, 2300-8.
Lanz, I. O. & Wood, C. B. (2004). Surgery of the ear and pinna. Veterinary Clinics of North America: Small Animal Practice. 34, 567-99.
Logas, D. E. & Bellah, J. R. (2008). Diseases of the external ear and pinna. In: Morgan RV. Handbook of small animal practice. (5ed). St. Louis: Saunders Elsevier.
Lustoza, A. C. & Silva, S. B. (2003). Otite externa associada a Demodex cati e Otodectes cynotis em felino. Brazilian Journal of Veterinary Research and Animal Science. 40, 172.
Luz, G. P., Silva, R. M., Souza, L. M. et al. (2014). Avaliação da eficácia da associação medicamentosa no tratamento da otoacaríase em cães. Revista Acadêmica Ciências Agrárias e Ambientais. 12(4), 401-8.
Marignac G. (2005). Diseases that affect the pinna. In: Gotthelf LN. Small animal ear diseases: an illustrated guide. (2ed). St. Louis: Elsevier Saunders.
Melchert, A. & Giuffrida, R. (2011). Avaliações citológicas em otites caninas por Malassezia spp. Arquivos de Ciências Veterinárias e Zoologia da UNIPAR. 14(2): 131-136.
Moretti, M. F., Souza, R. E. S. & Moretti, B. (2021). Otite externa ocasionada pela proliferação de Malassezia sp. em felino persa. Brazilian Journal of Animal and Environmental Research, 4(1), 240-3.
Moriello, K. A. (2019). Feline dermatology. Ames: Wiley Blackwell.
Paterson, S. (2016). Manual of skin diseases of the dog and cat. (3ed). Oxford: Wiley Blackwell.
Pereira, A. S. et al. (2018). Metodologia da pesquisa científica. [free ebook]. Santa Maria: Editora da UFSM.
Quevedo, M. (2022). Correção cirúrgica de otohematoma em cão: Relato de caso. Pubvet. 16(9). DOI:10.31533/pubvet.v16n09a1206.1-6. https://ojs.pubvet.com.br/index.php/revista/article/view/2894.
Risemberg, R. I. C. et al. (2026). A importância da metodologia científica no desenvolvimento de artigos científicos. E- Acadêmica, 7(1), e0171675. https://eacademica.org/eacademica/article/view/675.
Rodrigues, N. M., Quessada, A. M., Silva, F. L. et al. (2016). Epidemiologia e risco anestésico de cães portadores de otohematoma. Acta Scientiae Veterinariae. 44, 1-6.
Rodríguez-Vivas, R. I., Ortiz-Najera, J. C., González-Garduño, R. et al. (2021). Epidemiologia, aspectos clínicos, diagnóstico e controle da otite causada por Otodectes cynotis. Bioagrociencias, 14(2), 1-10.
Rother, E. T. (2007). Revisão sistemática da literatura X revisão narrativa. Acta Paul Enferm., 20 (2), v-vi.
Silva, R. A., Oliveira, J. F., Lima, W. C. et al. (2017). Hematoma aural em gato jovem: relato de caso. Pubvet. 12, 150.
Souza, C. P., Lima, M. M., Silva, R. M. et al. (2006). Eficácia do diazinon no tratamento da sarna otodécica em cães. Parasitología Latinoamericana. 61, 137 41.
Tielemans, E., Manavis, J., Klein, A. et al. (2021). Efficacy of a novel topical combination against Otodectes cynotis infestations in cats. Parasite. 28, 1-7.
Toassi, R. F. C. & Petry, P. C. (2021). Metodologia científica aplicada à área da saúde. (2ed). Editora da UFRGS.
Yin, R. K. (2015). O estudo de caso. Editora Bookman.
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Copyright (c) 2026 Lílian de Sousa Pereira Araújo, Isabelle Cardoso e Silva, Mirian Alessandra do Nascimento, Thaíssa de Carvalho Marques, Layne Gesebel de Sousa Bezerra, Ana Victoria Batista Cavalero, Elcidimar Lucas Aleixa de Castro, Caio Cezar Nogueira de Souza, Alessandra do Socorro Rodrigues Lima
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