Does pityrosporum ovale have a role in psoriasis?

Elewski, B.

doi:10.1001/archderm.126.8.1111

Cited by 8 publications

(6 citation statements)

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“…In this case, pustules transformed into guttate lesions prior and during erythromycin therapy but resolved when ketoconazole was applied (Elewski, 1990). Although this transformation could also be Koebner phenomenon, this case report supported the proposal that psoriasis may be included in Malassezia-associated diseases.…”

Section: Historical Reviewsupporting

confidence: 79%

Psoriasis and Malassezia Yeasts

Prohić¹

2012

Psoriasis - A Systemic Disease

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Section: Historical Reviewsupporting

confidence: 79%

Psoriasis and Malassezia Yeasts

Prohić¹

2012

Psoriasis - A Systemic Disease

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“…In a psoriatic patient, guttate psoriatic lesions with compatible histology appeared in pityriasis versicolor lesions and subsided after fluconazole treatment (230). In another case report, guttate lesions of psoriasis developed in areas of Malassezia folliculitis (92). Also, the reverse has been observed, with recurrence of pityriasis versicolor after the healing of psoriasis following treatment with etanercept (198).…”

Section: Psoriasismentioning

confidence: 98%

The Malassezia Genus in Skin and Systemic Diseases

et al. 2012

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SUMMARY In the last 15 years, the genus Malassezia has been a topic of intense basic research on taxonomy, physiology, biochemistry, ecology, immunology, and metabolomics. Currently, the genus encompasses 14 species. The 1996 revision of the genus resulted in seven accepted taxa: M. furfur , M. pachydermatis , M. sympodialis , M. globosa , M. obtusa , M. restricta , and M. slooffiae. In the last decade, seven new taxa isolated from healthy and lesional human and animal skin have been accepted: M. dermatis , M. japonica , M. yamatoensis , M. nana , M. caprae , M. equina , and M. cuniculi. However, forthcoming multidisciplinary research is expected to show the etiopathological relationships between these new species and skin diseases. Hitherto, basic and clinical research has established etiological links between Malassezia yeasts, pityriasis versicolor, and sepsis of neonates and immunocompromised individuals. Their role in aggravating seborrheic dermatitis, dandruff, folliculitis, and onychomycosis, though often supported by histopathological evidence and favorable antifungal therapeutic outcomes, remains under investigation. A close association between skin and Malassezia IgE binding allergens in atopic eczema has been shown, while laboratory data support a role in psoriasis exacerbations. Finally, metabolomic research resulted in the proposal of a hypothesis on the contribution of Malassezia -synthesized aryl hydrocarbon receptor (AhR) ligands to basal cell carcinoma through UV radiation-induced carcinogenesis.

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“…Among psoriatic patients, especially those who have lesions involving the scalp, eyebrows, ears and seborrhoeic areas of the trunk Malassezia has a strong association. A case report Elewski et al in 1990[ 54 ] reported a case of guttate psoriasis in areas of Malassezia folliculitis.…”

Section: Clinical Scenariomentioning

confidence: 99%

Malassezia-Can it be ignored?

2015

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Genus Malassezia comprises of 14 species of “yeast like fungi,” 13 of which are lipophilic and 1 is nonlipophilic. They are known commensals and in predisposed individuals they commonly cause a spectrum of chronic recurrent infections. They rarely also cause serious illnesses like catheter-related blood stream infections, CAPD associated peritonitis etc., Though these fungi have been known to man for over 150 years, their fastidious nature and cumbersome culture and speciation techniques have restricted research. Since the last taxonomic revision, seven new species have been added to this genus. Their ability to evade the host immune system and virulence has increased the spectrum of the diseases caused by them. These agents have been implicated as causal agents in common diseases like atopic dermatitis recently. Though culture-based research is difficult, the new molecular analysis techniques and facilities have increased research in this field such that we can devote more attention to this genus to study in detail, their characteristics and their growing implications implications in the clinical scenario.

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Does pityrosporum ovale have a role in psoriasis?

Cited by 8 publications

References 0 publications

Psoriasis and Malassezia Yeasts

Psoriasis and Malassezia Yeasts

The Malassezia Genus in Skin and Systemic Diseases

Malassezia-Can it be ignored?

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