Ringworm infection pattern. Annular border covers a wide area of cheek. Little inflammation in central area of plaque. Specimens for potassium hydroxide examination are best taken from the border.

Red papules were present for weeks. There was some itching. A diagnosis of seborrheic dermatitis was incorrectly made. Topical steroids were ineffective.

Inflammation of the chin spread slowly for weeks. A potassium hydroxide examination was positive for fungal hyphae.