Das Wachstum von Dermatophyten auf normalem und psoriatischem Nagelkeratin*

Coexistence of onychomycosis in psoriatic nails: A descriptive study

“…Previous studies reported a prevalence rate of onychomycosis to be 4.6-30% in patients with psoriatic nail disease. [3][4][5][6][7][8][9][10][11][12][13][14] In the present survey, we found nail fungal infection in 47.91% of psoriatic patients with nail psoriasis. This figure is slightly higher than that reported in many other studies, and this could be because of the features of study population (majority of the patients were farmers, housewives and in other occupations involving manual work which may independently increase the risk of onychomycosis).…”

“…Other case control studies by Larsen et al, [4] Staberg et al, [7] and Stander et al, [8] reported a higher probability of yeast infection, while Szepes [9] reported a higher probability of non-dermatophytic infection in psoriatic nails, but they all also concluded that the frequency of onychomycosis in psoriatic patients did not differ from the occurrence of onychomycosis in non-psoriatics. Pawlaczyk et al, [10] and Gotz et al, [11] reported that there was no altered susceptibility to onychomycosis in patients with psoriatic nail changes. Some descriptive studies like that of Solomon et al, [12] concluded that there was a higher probability of nondermatophytic infection in psoriatic patients and Zaias et al, [13] reported no dermatophytes and some yeasts.…”

“…Pawlaczyk et al [10] No Gotz et al [11] Solomon et al [12] Higher probability of non-dermatophytic infection…”

“…Onychomycosis, an infection of the nail unit by dermatophytic as well as non-dermatophytic fungi, has been found to be associated with psoriatic nail changes in several studies. [3][4][5][6][7][8][9][10][11][12][13][14] Psoriatic nail disease may be a predisposing condition for secondary invasion by the fungi. Many psoriatic patients have nail changes which morphologically resemble onychomycosis, and in such patients further differential diagnostic procedures are essential to exclude the presence of coexisting fungal infection.…”

Onychomycosis in patients with psoriasis – a multicentre study

“…Many authors believe that the rapid growth of the nails is a cause for the lack of difference in the incidence of onychomycosis in patients with psoriasis and people without the disease 6 and find in their studies that the incidence of onychomycosis in patients with psoriasis is identical to that of the general population 6,10,13,16,18–23 …”