Equine keratomycosis due to Aspergillus flavus in Argentina
A 9-year-old gelding presented a corneal ulcer unresponsive to treatment in his right eye. The trauma was caused by vegetal material. The ophthalmologic exam revealed paraxial corneal opacity, whitish discharge, peripheral oedema, congestion of conjunctival vessels and corneal angiogenesis. Microsco...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Universidad Nacional de La Plata
2024-04-01
|
| Series: | Analecta Veterinaria |
| Subjects: | |
| Online Access: | https://revistas.unlp.edu.ar/analecta/article/view/15974 |
| _version_ | 1797213978367098880 |
|---|---|
| author | Gustavo Leonardo Zapata Horacio Terziotti Marco Tizzano Romina Della Vedova Francisco José Reynaldi |
| author_facet | Gustavo Leonardo Zapata Horacio Terziotti Marco Tizzano Romina Della Vedova Francisco José Reynaldi |
| author_sort | Gustavo Leonardo Zapata |
| collection | DOAJ |
| description | A 9-year-old gelding presented a corneal ulcer unresponsive to treatment in his right eye. The trauma was caused by vegetal material. The ophthalmologic exam revealed paraxial corneal opacity, whitish discharge, peripheral oedema, congestion of conjunctival vessels and corneal angiogenesis. Microscopic examination of smears revealed the presence of neutrophils and fungal hyphae. On day 3 of culture, several small white fluffy colonies that rapidly turned to pale green were detected. These colonies were isolated to study their micro and macromorphology. Microscopic examination revealed the presence of colourless, thick-walled, roughened conidiophores, ranging from 340 to 1650 μm in length, with globose to sub-globose vesicles, ranging from 22 to 48 μm in diameter. Vesicles had one or two series of phialides. Conidia were globose, olive-green with slightly rough, thin walls that ranged from 3 to 7 μm in diameter. Molecular identification was also performed. Both techniques confirmed the presence of Aspergillus flavus complex. Topical treatment with natamycin resulted in healing within 10 days. To our knowledge, this is the first case of equine keratomycosis reported in Argentina.
|
| first_indexed | 2024-04-24T11:06:52Z |
| format | Article |
| id | doaj.art-ea44610f5f32487fb9260eddda00aef5 |
| institution | Directory Open Access Journal |
| issn | 0365-5148 1514-2590 |
| language | English |
| last_indexed | 2024-04-24T11:06:52Z |
| publishDate | 2024-04-01 |
| publisher | Universidad Nacional de La Plata |
| record_format | Article |
| series | Analecta Veterinaria |
| spelling | doaj.art-ea44610f5f32487fb9260eddda00aef52024-04-11T15:42:08ZengUniversidad Nacional de La PlataAnalecta Veterinaria0365-51481514-25902024-04-014410.24215/15142590e081Equine keratomycosis due to Aspergillus flavus in ArgentinaGustavo Leonardo Zapata0Horacio Terziotti1Marco Tizzano2Romina Della Vedova3Francisco José Reynaldi4Universidad Nacional de La Plata, ArgentinaUniversidad Nacional de La Plata, ArgentinaUniversidad Nacional de La Plata, ArgentinaUniversidad Nacional de La Plata, ArgentinaUniversidad Nacional de La Plata, ArgentinaA 9-year-old gelding presented a corneal ulcer unresponsive to treatment in his right eye. The trauma was caused by vegetal material. The ophthalmologic exam revealed paraxial corneal opacity, whitish discharge, peripheral oedema, congestion of conjunctival vessels and corneal angiogenesis. Microscopic examination of smears revealed the presence of neutrophils and fungal hyphae. On day 3 of culture, several small white fluffy colonies that rapidly turned to pale green were detected. These colonies were isolated to study their micro and macromorphology. Microscopic examination revealed the presence of colourless, thick-walled, roughened conidiophores, ranging from 340 to 1650 μm in length, with globose to sub-globose vesicles, ranging from 22 to 48 μm in diameter. Vesicles had one or two series of phialides. Conidia were globose, olive-green with slightly rough, thin walls that ranged from 3 to 7 μm in diameter. Molecular identification was also performed. Both techniques confirmed the presence of Aspergillus flavus complex. Topical treatment with natamycin resulted in healing within 10 days. To our knowledge, this is the first case of equine keratomycosis reported in Argentina. https://revistas.unlp.edu.ar/analecta/article/view/15974EquineKeratomycosisAspergillus flavus complexnatamycin |
| spellingShingle | Gustavo Leonardo Zapata Horacio Terziotti Marco Tizzano Romina Della Vedova Francisco José Reynaldi Equine keratomycosis due to Aspergillus flavus in Argentina Analecta Veterinaria Equine Keratomycosis Aspergillus flavus complex natamycin |
| title | Equine keratomycosis due to Aspergillus flavus in Argentina |
| title_full | Equine keratomycosis due to Aspergillus flavus in Argentina |
| title_fullStr | Equine keratomycosis due to Aspergillus flavus in Argentina |
| title_full_unstemmed | Equine keratomycosis due to Aspergillus flavus in Argentina |
| title_short | Equine keratomycosis due to Aspergillus flavus in Argentina |
| title_sort | equine keratomycosis due to aspergillus flavus in argentina |
| topic | Equine Keratomycosis Aspergillus flavus complex natamycin |
| url | https://revistas.unlp.edu.ar/analecta/article/view/15974 |
| work_keys_str_mv | AT gustavoleonardozapata equinekeratomycosisduetoaspergillusflavusinargentina AT horacioterziotti equinekeratomycosisduetoaspergillusflavusinargentina AT marcotizzano equinekeratomycosisduetoaspergillusflavusinargentina AT rominadellavedova equinekeratomycosisduetoaspergillusflavusinargentina AT franciscojosereynaldi equinekeratomycosisduetoaspergillusflavusinargentina |