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Feline sino-orbital fungal infection caused by Aspergillus and Scopulariopsis

Costa, Fernanda Vieira Amorim da; Spanamberg, Andreia; Araujo, Ricardo; Werner, Juliana; Ferreiro, Laerte.
Acta Sci. vet.; 47(suppl.1): Pub. 383, Apr. 10, 2019. ilus
Artigo em Inglês | VETINDEX | ID: vti-19114

Resumo

Background: Deep fungal infections of the orbit and nasal passages causing rhinitis and ulcerative keratomycosis areuncommonly reported in cats. Hyalohyphomycetes and phaeohyphomycetes have rarely been associated with this disorder.Sino-orbital fungal diseases are emerging and more invasive than sino-nasal fungal diseases with poor response to therapyand a worse prognosis. Brachycephalic feline breeds seem to be at increased risk for development of upper respiratoryfungal diseases. Diagnosis is based on the demonstration of fungal hyphae by cytology or histology and definitive confirmation by fungal culture and molecular methods. This is the first case report of a cat with clinical mixed fungal ball withAspergillus and Scopulariopsis in Brazil.Case: A 3-year-old male Persian cat, in São José city, Santa Catarina, Brazil, was presented with exophthalmos and corneal ulcer of the left eye and protrusion, hyperemia, quemosis and fibroses of the left third eyelid. The retropulsion of theglobe was negative in this eyeball and a presumptive diagnosis of a retrobulbar mass was made. The patient underwenta surgical procedure for inspection and collection of samples for bacterial and mycological culture. Culture revealed nobacterial growth, however, unique and abundant growth of Aspergillus spp. was present. A subconjunctival enucleation ofthe left eye was made and the mass was sent for histopathology examination. Histology showed inflammatory proliferativenecrotizing pyogranulomatous reaction; with the presence of severe fungal infection evidenced by large number of hyalineseptated regular and irregular mold hyphae. Molecular identification was performed using panfungal primers (ITS3-F /ITS4-R). Patient was treated with systemic itraconazole associated with amphotericin B and topical clotrimazole. A massstarted to grow rapidly in the left pterygopalatine fossa and was surgically removed, but recurrence occurred seven daysafter...(AU)
Biblioteca responsável: BR68.1