Search Results for: malassezia

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…

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 sel…

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: 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….

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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dandruff a Disease?

…Forensic 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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pityrosporum Folliculitis and Demodectic Folliculitis?

…odex 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,…

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…

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 = Tinea ve…