Abstract
Otic exudate was obtained from 33 dogs with otitis externa for cytopathology and culture. Two samples were taken from the same location in the external ear canal, for a total of 100 samples. Thirty-six (36%) samples isolated only a single organism, of which 21 (21%) were Malassezia spp. Two organisms were present in 23 (23%) of the samples. Cultures of the two samples agreed in 40 (80%) of the 50 pairs. Cytopathology agreed with culture results only 68% of the time. Cytopathology and culture may not be as definitive as previously assumed because of apparent variability of the microbial population within the external canal.
Publication types
-
Research Support, Non-U.S. Gov't
MeSH terms
-
Animals
-
Anti-Bacterial Agents / therapeutic use*
-
Colony Count, Microbial / veterinary
-
Dog Diseases / drug therapy
-
Dog Diseases / microbiology*
-
Dogs
-
Ear Canal / microbiology*
-
Malassezia / drug effects
-
Malassezia / growth & development
-
Malassezia / isolation & purification*
-
Microbial Sensitivity Tests / veterinary
-
Otitis Externa / drug therapy
-
Otitis Externa / microbiology
-
Otitis Externa / veterinary*
-
Otitis Media with Effusion / microbiology
-
Otitis Media with Effusion / veterinary
-
Pseudomonas aeruginosa / drug effects
-
Pseudomonas aeruginosa / growth & development
-
Pseudomonas aeruginosa / isolation & purification
-
Staphylococcus / drug effects
-
Staphylococcus / growth & development
-
Staphylococcus / isolation & purification