Tinea nigra

**Definition:** A disease of the skin, caused by an infection with the fungi Tinea nigra. This disease is characterised by brown to black macules; small, flat circumscribed changes in the colour of skin. This disease commonly presents on the palmar surfaces, soles, or other skin surfaces. Transmission is by direct contact with contaminated soil, wood, or vegetation. Confirmation is identification of Tinea nigra in a skin sample.

**Inclusions:** - Keratomycosis nigricans palmaris