Invasive<i>Microsporum canis</i>causing rhinitis and stomatitis in a cat

Ziglioli, Vincent; Panciera, David L.; LeRoith, Tanya; Wiederhold, Nathan P.; Sutton, Deanna A.

doi:10.1111/jsap.12471

Cited by 5 publications

(7 citation statements)

References 35 publications

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“…Invasive fungal rhinitis with oral cavity involvement, caused by M canis, was reported in an adult cat. 126 Aspergillosis < Aetiological agents Sino-orbital aspergillosis (SOA) -cryptic species (that look alike morphologically) in Aspergillus section Fumigati, especially A felis and A udagawae. Disseminated invasive aspergillosis (DIA) and invasive pulmonary aspergillosis (IPA)species in Aspergillus section Nigri and Aspergillus section Fumigati.…”

Section: Sporotrichosismentioning

confidence: 99%

“… 1 Extra-cutaneous disease may also include abdominal, nasal and oral locations. 1 , 33 , 113 , 114 , 126 Large abdominal masses have been diagnosed months to years after ovariohysterectomy, including a uterine stump mass in one cat, 114 and disseminated abdominal dermatophytic pseudomycetoma in another. 113 Clinical signs in affected cats included constipation, tenes-mus and dysuria.…”

Section: Diagnostic Approach For Selected Invasive Fungal and Fungal-...mentioning

confidence: 99%

“…Invasive fungal rhinitis with oral cavity involvement, caused by M canis , was reported in an adult cat. 126 …”

Section: Diagnostic Approach For Selected Invasive Fungal and Fungal-...mentioning

confidence: 99%

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Invasive fungal infections and oomycoses in cats: 1. Diagnostic approach

Barrs,

Bęczkowski,

Talbot

et al. 2024

Journal of Feline Medicine and Surgery

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Clinical relevance: In contrast to superficial fungal infections, such as dermatophytosis, invasive fungal infections (IFIs) are characterised by penetration of tissues by fungal elements. Disease can spread locally within a region or can disseminate haematogenously or via the lymphatics. The environment is the most common reservoir of infection. Since fungal spores are airborne, indoor cats are also susceptible to IFIs. Some environmental fungi are ubiquitous and present globally, while others are endemic or hyperendemic within specific geographic regions. Zoonotic pathogens include Microsporum canis, Sporothrix schenckii and Sporothrix brasiliensis. Aim: In the first of a two-part article series, the approach to the investigation of feline IFIs and oomycoses is reviewed. As well as tips for diagnosis, and information on the ecological niche and distribution of fungal pathogens, the review covers clinical presentation of the most common IFIs, including cryptococcosis, histoplasmosis, blastomycosis, coccidioidomycosis, sporotrichosis, phaeohyphomycosis, aspergillosis and dermatophytic pseudomycetoma, as well as the oomycoses pythiosis, lagenidiosis and paralagenidiosis. In Part 2, the spectrum of activity, mechanisms of action, pharmacokinetic and pharmacodynamic properties and adverse effects of antifungal drugs are reviewed, and the treatment and prognosis for specific IFIs and oomycoses are discussed. Evidence base: The review draws on published evidence and the authors' combined expertise in feline medicine, mycology, dermatology, clinical pathology and anatomical pathology.

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Section: Sporotrichosismentioning

confidence: 99%

Section: Diagnostic Approach For Selected Invasive Fungal and Fungal-...mentioning

confidence: 99%

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Invasive fungal infections and oomycoses in cats: 1. Diagnostic approach

Barrs,

Bęczkowski,

Talbot

et al. 2024

Journal of Feline Medicine and Surgery

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“… 69 - 71 The authors suggest administering TRB and ITZ in combination until 3 months past clinical resolution ( Table 1 ). 72 , 73 Intra-abdominal dermatophytic pseudomyce-toma should be resected, or debrided if full resection is not possible. Surgical excision of cutaneous nodules can be performed with wide margins if only one to a few such nodules are present.…”

Section: Management Of Invasive Fungal and Fungal-like Infections In ...mentioning

confidence: 99%

Invasive fungal infections and oomycoses in cats 2. Antifungal therapy

Barrs,

Hobi,

Wong

et al. 2024

Journal of Feline Medicine and Surgery

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Clinical relevance: Invasive fungal infections (IFIs) and oomycoses (hereafter termed invasive fungal-like infections [IFLIs]) are characterised by penetration of tissues by fungal elements. The environment is the most common reservoir of infection. IFIs and IFLIs can be frustrating to treat because long treatment times are usually required and, even after attaining clinical cure, there may be a risk of relapse. Owner compliance with medication administration and recheck examinations can also decline over time. In addition, some antifungal drugs are expensive, have variable interpatient pharmacokinetic properties, can only be administered parenterally and/or have common adverse effects (AEs). Despite these limitations, treatment can be very rewarding, especially when an otherwise progressive and fatal disease is cured. Aim: In the second of a two-part article series, the spectrum of activity, mechanisms of action, pharmacokinetic and pharmacodynamic properties, and AEs of antifungal drugs are reviewed, and the treatment and prognosis of specific IFIs/IFLIs - dermatophytic pseudomycetoma, cryptococcosis, sino-orbital aspergillosis, coccidioidomycosis, histoplasmosis, sporotrichosis, phaeohyphomycosis, mucormycosis and oomycosis - are discussed. Part 1 reviewed the diagnostic approach to IFIs and IFLIs. Evidence base: Information on antifungal drugs is drawn from pharmacokinetic studies in cats. Where such studies have not been performed, data from ‘preclinical’ animals (non-human studies) and human studies are reviewed. The review also draws on the wider published evidence and the authors’ combined expertise in feline medicine, mycology, dermatology, clinical pathology and anatomical pathology. Abbreviations for antifungal drugs: AMB (amphotericin B); FC (flucytosine); FCZ (fluconazole); ISA (isavuconazole); ITZ (itraconazole); KCZ (ketoconazole); PCZ (posaconazole); TRB (terbinafine); VCZ (voriconazole).

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“…Microsporum canis is an atypical pathogen found in small animals' nasal cavity. As a dermatophyte fungus, it inhabits keratinized structures such as nails and hair, being commonly associated with skin disease in dogs and cats, with high zoonotic potential, and reported as an exceptional occurrence, affecting nasal and oral cavity of an immunosuppressed adult feline (Ziglioli et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Isolated Microsporum Canis from a canine nasal cavity bearer of intranasal foreign body and Transmissible Venereal Tumor - Radiografic imaging and rinoscopy - case report

Rolemberg,

Toledo,

Reis

et al. 2023

Arq. Bras. Med. Vet. Zootec.

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Rhinopathies diagnosis in small animals is challenging, especially regarding their etiology. Imaging exams are very valuable tools for diagnostic procedures. The objective here is to report a rare case of rhinitis by Microsporum canis in a 4-year-old male, SRD dog, sneezing and with chronic purulent nasal secretion two weeks after surgical correction of cleft palate, emphasizing the imaging tests importance for a final and assertive diagnosis. Skull radiographs revealed turbinate destruction and two soft tissue amorphous structures with radiopacity at nasal cavity. The presence of a foreign body in the left passage, soaked in mucopurulent secretion associated with fungal plaques, with firm texture were evidenced by rhinoscopy, and identified as M. canis colonies by microbiological examination. In association, red-brown hyperplastic areas biopsied via rhinoscopy were histologically diagnosed as transmissible venereal tumor. It is concluded that such infection can be reported as opportunistic, secondary to local immunosuppression by post-surgical foreign body and nasal TVT. This is the first case to report such a pathogen in the dog, making its insertion in the differential diagnosis of rhinopathies extremely valuable.

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InvasiveMicrosporum caniscausing rhinitis and stomatitis in a cat

Cited by 5 publications

References 35 publications

Invasive fungal infections and oomycoses in cats: 1. Diagnostic approach

Invasive fungal infections and oomycoses in cats: 1. Diagnostic approach

Invasive fungal infections and oomycoses in cats 2. Antifungal therapy

Isolated Microsporum Canis from a canine nasal cavity bearer of intranasal foreign body and Transmissible Venereal Tumor - Radiografic imaging and rinoscopy - case report

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