Therapeutic Strategies in Dermatology

Superficial Fungal Infections: Therapy: Tinea versicolor

…ersicolor Tinea versicolor is a superficial skin infection by Malassezia furfur (a.k.a. Pityrosporum ovale and Pityrosporum orbiculare). Epidemiology Tinea versicolor is a very common skin infection, affecting up to 2-8% individuals in the United Sta…

A Clinical Atlas of 101 Common Skin Diseases

Tinea Versicolor

An inflammatory disease caused by the fungus Malassezia furfur, the organisms of which proliferate in a slightly thickened stratum corneum. It manifests clinically as white or light brown macules that may be discrete or confluent, on the trunk espec…

Therapeutic Strategies in Dermatology

Seborrheic Dermatitis: Key Points

…from an inflammatory response to the commensal skin organism, Malassezia fungi. Thus, the mainstay of treatment includes topical anti-fungal agents alone or in combination with topical steroids. Seborrheic dermatitis can be severe in immunocompromise…

Therapeutic Strategies in Dermatology

Seborrheic Dermatitis: Principles of Seborrheic Dermatitis Management

…mild disease of the scalp Use shampoos with activity against Malassezia are used daily: Ketoconazole shampoo 2% (prescription) or 1% (OTC) twice weekly Use an alternative shampoo, such as zinc pyrithione shampoo (such as Head & Shoulders) or se…

Therapeutic Strategies in Dermatology

Seborrheic Dermatitis: Initial Evaluation

…pical treatment. Pathogenesis The three possible etiologic factors are the yeasts (Malassezia fungi/ Pityrosporum ovale), sebaceous secretions and individual sensitivity, but the exact interrelationship between them is still a matter of controversy….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dandruff a Disease?

…orensic Sci 1998;43(4):901-2. “The yeasts of the genus Malassezia have been associated with a number of diseases affecting the human skin, such as pityriasis versicolor, Malassezia (Pityrosporum) folliculitis, seborrheic dermatitis and dandruf…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…be preserved. That circumstance enables hyphae and spores of Malassezia furfur to be spotted easily. 10.105.2A: Perivascular dermatitis, lymphocytic + 10.105.2B: Short hyphae and spores in the cornified layer whose outline is basket-weave…

Histologic Diagnosis of Inflammatory Skin Diseases

Tinea versicolor

…in keratocytes. Azelaic acid, a dicarboxylic acid produced by Malassezia furfur, seems to be responsible for the interference with the transfer of melanosomes to keratocytes. Another hypothesis is that Malassezia furfur produces a factor that protect…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pityrosporum Folliculitis and Demodectic Folliculitis?

…dex folliculorum. J Am Acad Dermatol 1986;15:1159-62. “Malassezia (Pityrosporum) folliculitis. In this infection, small pruritic superficial pustules are present on the chest and back. They appear to be a modification of an acneiform eruption,…