Microsphaeropsis arundinis: an emerging cause of phaeohyphomycosis in cats and people

Reppas, George; Gottlieb, Thomas; Krockenberger, M. B.; Halliday, Catriona; Malík, Richard

doi:10.1071/ma15025

Cited by 9 publications

(11 citation statements)

References 10 publications

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“…However, other causes of digital disease must also be considered and investigated, such as staphylococcal bacterial paronychia, and diseases caused by soil organisms (saprobes) such as Nocardia species, 14 Mycobacterium species (eg, feline leprosy syndrome) 15 and a variety of fungi including pigmented filamentous or yeast-like species. 16 Goldfinch and Argyle note that neoplasia is diagnosed in one in eight nail and nail bed disorder cases. 2 Furthermore, approximately one in six amputated feline digits have evidence of metastatic disease (with the primary location not [yet] identified).…”

Section: Discussionmentioning

confidence: 99%

Metastatic pulmonary carcinomas in cats (‘feline lung–digit syndrome’): further variations on a theme

Thrift¹,

Greenwell²,

Turner³

et al. 2017

Journal of Feline Medicine and Surgery Open Reports

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Case series summaryThe aim of this retrospective case series was to describe seven cases where cats with primary lung tumours were presented because of metastases to extra-pulmonary sites (‘feline lung–digit syndrome’). Specifically, we wanted to emphasise less typical case descriptions where tumour emboli resulted in lesions developing in the musculature (including the muscles of the head), skin or distal aorta.Relevance and novel informationThe cases are presented to increase clinical awareness of this entity in feline practice, especially when characteristic combinations of clinical signs are present. When clinicians have a high index of suspicion for these presentations, radiology (thorax and digits) or ultrasound (distal aorta), combined with collection of fine needle aspirate specimens for cytology, are usually sufficient to secure a definitive diagnosis. Novel information in this series includes CT and MRI findings from some cases. Typically, needle aspiration or biopsy targeting the skin, digits and lesions in musculature is far easier compared with sampling the primary tumour site in the lungs. The differential diagnosis and investigation of multiple digital lesions is also considered.

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Section: Discussionmentioning

confidence: 99%

Metastatic pulmonary carcinomas in cats (‘feline lung–digit syndrome’): further variations on a theme

Thrift¹,

Greenwell²,

Turner³

et al. 2017

Journal of Feline Medicine and Surgery Open Reports

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“…Phaeohyphomycoses are uncommon in cats and are typically characterised by cutaneous or subcutaneous lesions affecting the nasal planum or digits, although focal invasive and disseminated infections also occur [1,3,4]. The most common fungal genera implicated in feline phaeohyphomycoses include Alternaria, Cladophialophora, Microsphaeropsis and Exophilia [3,[5], [6], [7]] . Alternaria and Cladophialophora spp.…”

Section: Introductionmentioning

confidence: 99%

“…Regional differences in the prevalence of the causal agents of feline phaeohyphomycoses appear to occur, for example in the UK and mainland Europe Alternaria spp. are the most frequent cause, while in Australia Microsphaeropsis arundinis is detected most frequently [[3], [4], [5]].…”

Section: Introductionmentioning

confidence: 99%

Feline disseminated cutaneous phaeohyphomycosis due to Exophiala spinifera

Daly

Hubka

Kubátová

et al. 2020

Medical Mycology Case Reports

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A six-year-old domestic shorthair cat was presented for a subcutaneous digital nodular lesion on the right forelimb. On physical examination a similar lesion was identified on the right hindlimb. Disseminated cutaneous phaeohyphomycosis was diagnosed from histopathological changes in representative tissue biopsies and fungal culture. The isolate was identified by sequencing of ITS rDNA as Exophiala spinifera. This is the first report of disseminated cutaneous disease caused by E. spinifera in the cat.

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“…Panfungal PCR testing (avail-able at some specialist laboratories) may also be attempted on air-dried smears that reveal increased numbers of fungal hyphae. 21 Note that cytological stains must be replenished regularly to avoid artefactual bacterial presence in smears as a consequence of bacterial contamination and proliferation in unchanged stain media. Stains must also be renewed regularly and/or filtered to avoid deposition of stain precipitate, which may mimic bacteria in smears.…”

Section: Staining Urine Air-dried Smears For Cytological Examinationmentioning

confidence: 99%

“…Panfungal PCR testing (available at some specialist laboratories) may also be attempted on air-dried smears that reveal increased numbers of fungal hyphae. 21…”

Section: Performing and Interpreting The Microscopic Analysismentioning

confidence: 99%