Case summary
It is described a case of a 10-month-old female mixed-breed cat with left ear discharge of approximately 6 days’ duration prior to the admission. Secretions were collected from both ears using a sterile swab for cytological and mycological analysis. A pyogranulomatous inflammatory infiltrate (predominantly characterized by the presence of neutrophils and macrophages) with the presence of cocci, rods and many yeast-like structures were seen on cytological analysis; the fungal culture confirmed the presence of the
Sporothrix schenckii
complex. Upon diagnosis of fungal otitis due to the
S schenckii
complex, treatment with oral itraconazole was administered. After 4 weeks of treatment, no
S schenckii
complex colonies were isolated, and clinical recovery had occurred.
Relevance and novel information
Although rare, clinicians must be aware of atypical presentations of sporotrichosis, as in this case of external otitis. This is of clinical relevance because this infection has been reported in several countries and is defined as a zoonotic disease.
Cutaneous horn is a skin disease with low incidence and few citations in the literature. This report describes a dog with multiple cutaneous lesions of papillomatosis and one giant cutaneous horn on the face. Two sessions of cryotherapy achieved complete remission of the lesions.
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