Exophiala campbellii causing a subcutaneous palmar cyst in an otherwise healthy UK resident

Borman, Andrew M.; Fraser, Mark; Schilling, William; Jones, G. V.; Pearl, Robert M.; Linton, Christopher J.; Johnson, Elizabeth

doi:10.1016/j.mmcr.2020.07.004

Cited by 3 publications

(4 citation statements)

References 20 publications

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“…Similar case reports of otherwise healthy patients included a 68-year-old female from UK with a palmer lump, a 46-year-old female from India complaining of a non-healing ulcer of the foot for 2 years and a 55-year-old Indian male with multiple lumps on his limbs. [5][6][7] Management of subcutaneous phaeohyphomycosis comprises surgical excision with or without antifungal therapy. 1,6 Antifungal therapy was not initiated in our patient since he was an immunocompetent person and complete excision of the small, solitary nodule was performed.…”

Section: Discussionmentioning

confidence: 99%

“…[5][6][7] Management of subcutaneous phaeohyphomycosis comprises surgical excision with or without antifungal therapy. 1,6 Antifungal therapy was not initiated in our patient since he was an immunocompetent person and complete excision of the small, solitary nodule was performed.…”

Section: Discussionmentioning

confidence: 99%

“…Similarly, the 68-year-old healthy female from UK with a palmer lump and 55-year-old Indian male with multiple lumps were successfully managed with local excision without antifungal therapy. [5][6][7]…”

Section: Discussionmentioning

confidence: 99%

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Exophiala jeanselmei causing subcutaneous phaeohyphomycosis in a healthy adult in Sri Lanka: A case report

Welagedara¹,

Sigera²,

Liyanage³

et al. 2021

Sri Lankan J Infec Dis

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Phaeohyphomycosis is a chronic infection caused by filamentous dematiaceous fungi and it embraces a wide range of clinical presentations. Subcutaneous phaeohyphomycosis is caused by traumatic implantation of aetiological fungi in subcutaneous tissue and is usually reported in agricultural workers in the tropics. Subcutaneous phaeohyphomycosis presents with various skin manifestations and is often misdiagnosed by clinicians. Exophiala sp is a common aetiological agent of post traumatic subcutaneous phaeohyphomycosis.We present a middle aged farmer who presented with a subcutaneous nodule in his dominant hand. This swelling was initially diagnosed as a ganglion but turned out to be an abscess caused by Exophiala jeanselmei and the patient was cured by complete surgical excision without antifungal therapy. This case report aims to contribute to knowledge on this uncommon entity, in order to help practitioners to correctly diagnose and treat subcutaneous phaeohyphomycosis.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Exophiala jeanselmei causing subcutaneous phaeohyphomycosis in a healthy adult in Sri Lanka: A case report

Welagedara¹,

Sigera²,

Liyanage³

et al. 2021

Sri Lankan J Infec Dis

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“…radicis , and E . sideris , have been discovered in Europe [ 3 , 5 , 7 , 9 , 15 , 21 , 24 , 69 , 70 , 71 , 72 , 73 ]. However, E .…”

Section: Introductionmentioning

confidence: 99%

Species Diversity, Distribution, and Phylogeny of Exophiala with the Addition of Four New Species from Thailand

Thitla

Kumla

Khuna

et al. 2022

JoF

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The genus Exophiala is an anamorphic ascomycete fungus in the family Herpotrichiellaceae of the order Chaetothyriales. Exophiala species have been classified as polymorphic black yeast-like fungi. Prior to this study, 63 species had been validated, published, and accepted into this genus. Exophiala species are known to be distributed worldwide and have been isolated in various habitats around the world. Several Exophiala species have been identified as potential agents of human and animal mycoses. However, in some studies, Exophiala species have been used in agriculture and biotechnological applications. Here, we provide a brief review of the diversity, distribution, and taxonomy of Exophiala through an overview of the recently published literature. Moreover, four new Exophiala species were isolated from rocks that were collected from natural forests located in northern Thailand. Herein, we introduce these species as E. lamphunensis, E. lapidea, E. saxicola, and E. siamensis. The identification of these species was based on a combination of morphological characteristics and molecular analyses. Multi-gene phylogenetic analyses of a combination of the internal transcribed spacer (ITS) and small subunit (nrSSU) of ribosomal DNA, along with the translation elongation factor (tef), partial β-tubulin (tub), and actin (act) genes support that these four new species are distinct from previously known species of Exophiala. A full description, illustrations, and a phylogenetic tree showing the position of four new species are provided.

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Sunken Riches: Ascomycete Diversity in the Western Mediterranean Coast through Direct Plating and Flocculation, and Description of Four New Taxa

Guerra-Mateo,

Cano-Lira,

Fernández-Bravo

et al. 2024

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The Mediterranean Sea stands out as a hotspot of biodiversity, whose fungal composition remains underexplored. Marine sediments represent the most diverse substrate; however, the challenge of recovering fungi in culture hinders the precise identification of this diversity. Concentration techniques like skimmed milk flocculation (SMF) could represent a suitable solution. Here, we compare the effectiveness in recovering filamentous ascomycetes of direct plating and SMF in combination with three culture media and two incubation temperatures, and we describe the fungal diversity detected in marine sediments. Sediments were collected at different depths on two beaches (Miracle and Arrabassada) on the Spanish western Mediterranean coast between 2021 and 2022. We recovered 362 strains, and after a morphological selection, 188 were identified primarily with the LSU and ITS barcodes, representing 54 genera and 94 species. Aspergillus, Penicillium, and Scedosporium were the most common genera, with different percentages of abundance between both beaches. Arrabassada Beach was more heterogeneous, with 42 genera representing 60 species (Miracle Beach, 28 genera and 54 species). Although most species were recovered with direct plating (70 species), 20 species were exclusively obtained using SMF as a sample pre-treatment, improving our ability to detect fungi in culture. In addition, we propose three new species in the genera Exophiala, Nigrocephalum, and Queenslandipenidiella, and a fourth representing the novel genus Schizochlamydosporiella. We concluded that SMF is a useful technique that, in combination with direct plating, including different culture media and incubation temperatures, improves the chance of recovering marine fungal communities in culture-dependent studies.

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Exophiala campbellii causing a subcutaneous palmar cyst in an otherwise healthy UK resident

Cited by 3 publications

References 20 publications

Exophiala jeanselmei causing subcutaneous phaeohyphomycosis in a healthy adult in Sri Lanka: A case report

Exophiala jeanselmei causing subcutaneous phaeohyphomycosis in a healthy adult in Sri Lanka: A case report

Species Diversity, Distribution, and Phylogeny of Exophiala with the Addition of Four New Species from Thailand

Sunken Riches: Ascomycete Diversity in the Western Mediterranean Coast through Direct Plating and Flocculation, and Description of Four New Taxa

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