Also known as: tinea versicolor, tinea flava, dermatomycosis furfuracea, chromophytosis
- Caused by the yeast Malassezia furfur and sometimes other species of Malassezia
- Most common in tropical zones; in temperate zones most common in the summer
- Small scaly macules, most often on the upper body, enlarge and become either hypo- or hyperpigmented.
- Slight acanthosis
- Spotty pigmentation of the basal layer
- Superficial perivascular mononuclear infiltrate
- On fungal stains, the organisms, seen as spores and short hyphae (described as having a "spaghetti and meatballs" appearance) are visible within the stratum corneum.