Onychomycosis Due to Aspergillus Flavus

Bereston, Eugene S.; Keil, Harry

doi:10.1001/archderm.1941.01500030102010

Cited by 26 publications

(3 citation statements)

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“…Typical AGNUS images, Fungi reports and their confirmation are summarized in Table 1. [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24] All the clinical images of the halluces are identical to what is described as AGNUS.…”

Section: Resultsmentioning

confidence: 99%

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Opportunistic toenail onychomycosis. The fungal colonization of an available nail unit space by non‐dermatophytes is produced by the trauma of the closed shoe by an asymmetric gait or other trauma. A plausible theory

Zaias

Escovar

Rebell

2014

Acad Dermatol Venereol

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Opportunistic onychomycosis is defined, when a non-dermatophyte mould is cultured from an abnormal nail unit in the absence of a dermatophyte. The presumption is that the mould has caused the abnormal clinical appearance of the nail unit, yet there are no data available to substantiate this claim. Reports have only identified the mould being recovered from the nail unit niche. A review of the published dermatologic literature describing toenail opportunistic onychomycosis by non-dermatophyte fungi has shown toenails with onycholysis, nail bed (NB) keratosis and nail plate surface abnormalities. The appearance of these clinical changes is indistinguishable from the diagnosis of the Asymmetric Gait Nail Unit Signs (AGNUS). AGNUS is produced by the friction of the closed shoe in patients with an asymmetric gait, resulting primarily from the ubiquitous uneven flat feet. Most commonly, species of Acremonium (Cephalosporium), Aspergillus, Fusarium, Scopulariopsis and rarely species of many different fungi genera are capable of surviving and reproducing in a keratinous environment and change the clinical appearance of the involved nail unit. AGNUS toenails predispose to the colonization by the non-dermatophyte opportunistic fungi but not by dermatophyte fungi.

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Section: Resultsmentioning

confidence: 99%

“…Figures 7-8 5 15,16 Aspergillus terreus. Aspergillus ustus 3 [10][11][12][13][14][15] Aspergillus versicolor 2 [8][9][10] Fusarium oxysporum and F. solani. Figure 10 4 Scopulariopsis brevicaulis.…”

Section: Arthroderma Trabeculatummentioning

confidence: 99%

Opportunistic toenail onychomycosis. The fungal colonization of an available nail unit space by non‐dermatophytes is produced by the trauma of the closed shoe by an asymmetric gait or other trauma. A plausible theory

Zaias

Escovar

Rebell

2014

Acad Dermatol Venereol

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“…Les observations d'onychomycoses à moisissures concernent, par ordre de fréquence, le Scopulariopsis hrevicauUs [Martin-Scott, 1954;Cairns et Close, 1955;Franks et al, 1956;Hitriez et a i, 1963: Beisan et Fragner, 1965Schönhorn et Schmoranzer, 1970;Liautaud et a!., 1971;Bazex et a!., 1977], Y Hendersonida toruloidea [Gentles et Evans, 1970;Kurwa et Campbell, 1972;Campbell et al, 1973], les diverses espèces d'Aspergillus [Bereston et Keil, 1941 ;Berest on et Waring, 1946;Moore et Weiss, 1948;Paldrok et Hollström, 1952;Kaben, 1962;Walslte et English, 1966;Zaias, 1966;Rosenthal et ai, 1968;Schönborn et Schmoranzer, 1970], VAlternaría tenuis [Bottischer, 1965;Delacrétaz et a!., 1970], le Ccphalosporium [Thiers et Coudert, 1955;Zaias, 1966], le Fusarium oxysporum [Ritchie et Pinkerton, 1959;Rush-Munro et al, 1971 ;Zaias, 1966]. Des observations isolées concernent Arthroderma tuber culatum [Blomqvist, 1969], Botryodiplodia theobromae [Restrepo et al, 1976], Phyllostictina sydow [Gip et Paldrok, 1967], Pseudeurotium ovalis [English et ai, 1967], un basidiomycète [Kligman, 1950], Pyrenochaeta unguis -hominis sp.…”

unclassified

Les onychomycoses à moisissures

Achten¹,

Wanet-Rouard²,

Wiame³

et al. 1979

Dermatology

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The authors studied in vitro and in vivo the invasion of the nail keratin by saprophytes. This invasion takes place in the same way in both cases: mycelian filaments and spores penetrate in the hyponychium, filaments penetrate in the upper part of the tablet, filaments and, as far as some saprophytes are concerned, ‘boring hyphae’ penetrate in the lower part of the tablet. Those ways of invasion are responsible for the clinical pictures (onychomycosis, pachyonychia, leuconychomycosis). Electron microscopically the mycelian filaments appear to be both intercellular and intracellular. The authors insist on the importance of the criteria of evaluation which allow us to establish the saprophytic origin of onychomycosis.

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Onychomycosis and Dermatomycosis Caused by Trichophyton Rubrum and Aspergillus Nidulans

Bereston¹

1945

Arch Dermatol

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Onychomycosis Due to Aspergillus Flavus

Cited by 26 publications

References 1 publication

Opportunistic toenail onychomycosis. The fungal colonization of an available nail unit space by non‐dermatophytes is produced by the trauma of the closed shoe by an asymmetric gait or other trauma. A plausible theory

Opportunistic toenail onychomycosis. The fungal colonization of an available nail unit space by non‐dermatophytes is produced by the trauma of the closed shoe by an asymmetric gait or other trauma. A plausible theory

Les onychomycoses à moisissures

Onychomycosis and Dermatomycosis Caused by Trichophyton Rubrum and Aspergillus Nidulans

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