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toenail infection caused by onychocola canadensis gen. et sp. nov.three cases of great toenail infection are described in which a slow-growing arthroconidial hyphomycete was isolated repeatedly and in pure culture. direct microscopy revealed hyaline, round to barrel-shaped arthroconidia, hyaline hyphae of varying width, and broad thick-walled brownish hyphae. three additional isolates were obtained from clinical specimens, for which the results of direct microscopy were unknown or negative. the fungus was resistant to cycloheximide, sensitive to common antifun ...19902149386
new records of nail and skin infection due to onychocola canadensis and description of its teleomorph arachnomyces nodosetosus sp. nov.non-dermatophytic fungi are increasingly being recognized as agents of onychomycosis. in 1990, three cases of chronic infection of the great toenail in adult female residents of canada were attributed to onychocola canadensis, a previously unknown hyphomycete. three additional cases were suspicious but unconfirmed. this report documents seven new records, including six of toenail infection in elderly individuals and one case of glabrous skin infection. three isolations from new zealand represent ...19947983572
comparative evaluation of chemiluminescent dna probe assays and exoantigen tests for rapid identification of blastomyces dermatitidis and coccidioides immitis.chemiluminescent dna probe (accuprobe) assays developed by gen-probe, inc. (san diego, calif.), for the rapid identification of blastomyces dermatitidis and coccidioides immitis were evaluated and compared with the exoantigen test by using 74 mycelial cultures of b. dermatitidis and 72 mycelial cultures of c. immitis. seventeen isolates of the dimorphic pathogen paracoccidioides brasiliensis were included because of their gross morphologic and antigenic relatedness to b. dermatitidis. the hetero ...19948027336
first european cases of onychomycosis caused by onychocola canadensis.onychocola canadensis is a new fungus responsible of onychomycosis only isolated until now from canada and new zealand. we present the first european cases of onychomycosis caused by this fungus.19979061590
nail infection caused by onychocola canadensis: report of the first four british cases.onychocola canadensis is a recently recognized cause of human nail infection. we present the first four cases of onychomycosis caused by this organism among patients resident in the uk.19979467110
onychomycosis associated with onychocola canadensis: ten case reports and a review of the literature.onychocola canadensis is a nondermatophyte mold associated with onychomycosis particularly in temperate climates (eg, canada, new zealand, and france). the slow growth rate of o canadensis and lack of resemblance to any other known nail-infecting fungus may have delayed its discovery. we are aware of 23 mycologically confirmed cases of o canadensis in the literature.19989738774
combined distal and lateral subungual and white superficial onychomycosis in the toenails.the 5 main types of onychomycosis are distal and lateral subungual onychomycosis (dlso), white superficial onychomycosis (wso), proximal subungual onychomycosis (pso), candida onychomycosis, and total dystrophic onychomycosis (tdo) (primary or secondary type). in the literature there is infrequent discussion about 2 types of onychomycosis present in the toenails of the same individual.199910570377
itraconazole and terbinafine treatment of some nondermatophyte molds causing onychomycosis of the toes and a review of the literature.onychomycosis may be caused by dermatophytes (which form the majority of organisms), candida species, and nondermatophyte molds.200111685666
onychomycosis due to onychocola canadensis: report of the first two spanish cases.onychocola canadensis is a non-dermatophytic mould that may cause distal and lateral subungual or white superficial onychomycosis. it was first reported in 1990. to date, it has been reported only from temperate countries, namely canada (14 cases), new zealand (3), france (9) and the united kingdom (4). we report the first two cases from spain.200212058734
cutaneous hyalohyphomycosis and onychomycosis caused by onychocola canadensis: report of the first case from turkey.we present the first turkish case of skin and nail infection due to onychocola canadensis in an otherwise healthy farmer who frequently worked barefoot on soil. cutaneous involvement consisted of scaly and hyperkeratotic lesions resembling tinea pedis, erythematous plaques, and dermal papulonodules of various sizes simulating majocchi's granuloma. repeated cultures from nail plates, skin scrapings and needle aspiration materials from papules or nodules all yielded the same mold on sabouroud dext ...200212227488
arachnomyces kanei (anamorph onychocola kanei) sp. nov., from human nails.five isolates of a slow-growing cycloheximide resistant hyphomycetous fungus were obtained from nail specimens and investigated for their relationship to onychocola canadensis (teleomorph arachnomyces nodosetosus), a known agent of onychomycosis. in one patient diagnosed with superficial white onychomycosis, etiology was confirmed by a nail sample showing atypical filaments in direct microscopy, and by a follow-up specimen yielding cultures of the same fungus. a case of mixed infection with aspe ...200212521121
onychomycosis due to onychocola canadensis.onychocola canadensis is an uncommon nondermatophyte mould which can occasionally cause onychomycosis, and rarely, tinea manuum. it typically affects elderly individuals, some of whom have been farmers, in temperate climates. we describe a patient with onychomycosis due to this organism. she failed to respond to a 12-week course of terbinafine 250 mg o.d.200312780715
isolation of onychocola canadensis from four cases of onychomycosis in belgium.onychocola canadensis can cause onychomycosis of the toenails. thirty-two cases have been described up to now. we report on the isolation of onychocola canadensis from four patients with onychomycosis who acquired their infection in belgium. direct examination was positive. onychocola canadensis was isolated in pure culture. according to the previously published cases, the patients affected were elderly and the preferential site of infection was the big toenail. in contrast to previous reports, ...200312945479
first italian report of onychomycosis caused by onychocola canadensis.onychocola canadensis is a non-dermatophytic mould that has been associated with onychomycosis particularly in temperate climates. until now, o. canadensis has been isolated from patients in canada (14 cases), new zealand (three), france (nine), uk (four) and spain (two). we describe the first italian case of onychomycosis caused by this fungus.200314653522
great toenail onychomycosis caused by syncephalastrum racemosum.nondermatophyte molds are fungi found in soil and decaying plant debris and are generally considered to be uncommon or secondary pathogens of diseased nails. prevalence rates of onychomycoses caused by nondermatophyte molds range between 1.45 percent and 17.60 percent. the most common nondermatophyte molds associated with nail disease are scopulariopsis, scytalidium, fusarium, aspergillus and onychocola canadensis. syncephalastrum racemosum, a nondermatophyte mold, belongs to the class zygomycet ...200616638375
[onychomycosis due to onychocola canadensis]. 200616733456
[onychocola canadensis: first isolates from onychomycoses in slovakia].toenail onychomycoses are among the most common human superficial mycoses. the species spectrum of the causative agents, mainly nondermatophytes, is broad and varied. during 14 months (march 2007 to april 2008), onychocola canadensis sigler 1990, an uncommon nondermatophyte, was identified microscopically and by culture as the causative agent of nail infection in four patients. it is the first report of this species in the slovak republic. the experience gained with the identification of this un ...200919358449
[the mould onychomycosis in morocco: about 150 isolated cases in 20 years].the involvement of moulds in the fungal ungueal pathology is very variable. in fact a big confusion reigns because of numerous errors in the clinico-biological diagnosis, which could be responsible for therapeutic failure of onychomycosis.201223518078
onychomycosis caused by onychocola canadensis: the first report in estonia and lessons to learn.we report the first case of onychomycosis caused by onychocola canadensis in estonia. we believe that the number of nail infections caused by this fungus is underestimated due to the current diagnostic algorithm of non-dermatophytic onychomycosis. the need to define categories and criteria for 'proven' and 'probable' non-dermatophyte mold infections to promote more extensive studies in the future is also discussed.201525591072
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