Pityrosporum
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Pityrosporum
(pit'i-ros'pō-rŭm, pit'i-rō-spō'rŭm),A genus of fungi of disputed pathogenicity found in dandruff and seborrheic dermatitis.
[G. pityron, bran, + sporos, seed]
Farlex Partner Medical Dictionary © Farlex 2012
Malassezia
A genus of fungi with 10 known species of lipophilic organisms of the class Exobasidiomycetes, which do not form mycelia. It is a normal skin saprobe which, in the face of immunocompromise in the host, causes opportunistic infections. Malassezia globosa is the most aggressive, and has been causally linked to dandruff, seborrhoeic dermatitis, and the skin rash of tinea versicolor (pityriasis versicolor).Malassezia species
• M dermatis.
• M furfur.
• M globosa.
• M nana.
• M obtusa.
• M pachydermatis.
• M restricta.
• M slooffiae.
• M sympodialis.
• M yamatoensis.
M globosa and M restricta are the common causes of clinical disease.
Management
Selenium disulfide, ketoconazole shampoos, ciclopirox olamine, coal tar, zinc pyrithione, miconazole, or tea tree oil.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
Pit·y·ros·po·rum
(pit'i-rō-spō'rŭm)A genus of fungi found in dandruff and seborrheic dermatitis.
[G. pityron, bran, + sporos, seed]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012