Tag Archives: malassezia pachydermatis

Past Spaghetti and Meatballs: Skin Diseases Associated With the Malassezia Yeasts

Presentation

Malassezia are basic lipiddependent parasites that develop on the sebaceous zones of human skin, including the face, scalp, and upper trunk. In spite of the fact that Malassezia are a piece of the typical human skin greenery, they might additionally cause or worsen a few skin ailments, including tinea versicolor, Pityrosporum folliculitis, and seborrheic dermatitis. Topical antifungals are the pillar of treating Malassezia-related ailments. Constant prophylaxis is regularly needed to anticipate repeats.

Malassezia are lipophilic (lipid-subordinate) growths that make part out of the ordinary human skin greenery, however are currently additionally perceived to assume a part in skin infection. Malassezia have unmistakably been indicated to be the causative living being in tinea versicolor and Pityrosporum folliculitis, and are liable to assume a part in seborrheic dermatitis (Gupta, Batra, Bluhm, Boekhout, & Dawson, 2004). Confirmation for their inclusion in other skin conditions, including atopic dermatitis, psoriasis, and neonatal cephalic pustulosis, is weaker.

Malassezia yeasts were initially portrayed in the nineteenth century as maturing yeasts found on the skin of patients with dandruff. They are named after Louis-Charles Malassez, a French researcher who recognized the yeasts in the external layer of the epidermis of patients with seborrheic dermatitis. The scientific classification of Mal­assezia has been to a degree confounding, on the grounds that the family name Pityro­sporum was generally utilized for yeast structures although the name Malassezia was held for hyphal (filamentous) structures, and it was not until sub-atomic strategies for species distinguishing proof got accessible in the 1980s that Malassezia and Pityro­sporum were discovered to be indistinguishable.

At present, 11 types of Mal­assezia have been recognized (Gueho, Midgley, & Guillot, 1996; Sugita et al., 2002; Sugita et al., 2004). The most imperative clinically are M. globosa, M. sympodialis, M. restricta, M. obtusa, and M. furfur. The distinctive Mal­assezia species are recognized focused around their morphology, development qualities, chemical exercises, and by sub-atomic routines (Gem­mer, Deangelis, Theelen, Boekhout, & Dawson, 2002). Malassezia are dimorphic organisms, on occasion accepting yeast structures and now and again hyphal structures, contingent upon society conditions. In their yeast structure, they may be circular, oval, or lengthened, and they duplicate by unipolar maturing. The names Pityrosporum ovale and Pityrosporum orbiculare are still now and again utilized when alluding to the yeast structures, yet it is more right to allude to both the yeast and hyphal structures utilizing the Malassezia species

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