Bioptic specimens from 224 melanocytic naevus lesions and 121 seborrheic keratosis lesions were stained with hematoxylin-eosin and examined under the light microscope. Pityrosporum ovale/orbiculare (Malassezia furfur) was found in 35% of melanocytic naevi and in 36% of seborrheic keratoses. The finding of Pityrosporum ovale/orbiculare was confirmed by PAS (periodic acid shift), methenamide silv...

Pityrosporum ovale did not show the normal swelling and shrinking such as is undergone by Saccharomyces cerevisiae in media of different osmotic pressures. Pityrosporum ovale shrank slightly in media below 0.33 osmolar and remained at constant volume between 0.33 and 3-4 osmolar, while S. cerevisiae swelled below 0-10 osmolar and shrank markedly and progressively from 0.33 to 3-4 osmolar. The r...

Dandruff, a clinical condition caused by Malassezia (Pityrosporum) species is of great cosmetic concern all over the world. Dandruff is known to be controlled by fungistatic ingredients in Anti-dandruff shampoos. A comparative study on the efficacy of chemical and herbal anti-dandruff ingredients on ’as is’ basis and their performance in market shampoos was done in vitro against Pityrosporum ov...

www.aafp.org/afp AMERICAN FAMILY PHYSICIAN 2095 are not typically amenable to topical therapy, they will not be discussed in this article. It is important to note that nondermatophytes and yeasts may infect the sites mentioned above. For example, tinea unguium is only a subset of the onychomycoses, which include other types of fungal infections of the nails. Similarly, tinea corporis refers onl...

This study was conducted to evaluate the effect of Grateloupia elliptica, a seaweed native to Jeju Island, Korea, on the prevention of hair loss. When immortalized rat vibrissa dermal papilla cells were treated with extract of G. elliptica, the proliferation of dermal papilla cells significantly increased. In addition, the G. elliptica extract significantly inhibited the activity of 5α-reductas...

Ketombe merupakan salah satu penyakit kulit akibat infeksi jamur yang banyak diderita terutama di Indonesia negara tropis. Prevalensi ketombe dunia mencapai 50% pada usia pubertas dari seluruh populasi penduduk dunia. Pityrosporum ovale diduga penyebab utama ketombe. Saat ini masyarakat menggunakan tanaman herbal untuk pengatasi Tinjaun pustaka dibuat dengan tujuan agar dapat mengetahui mana sa...