Definition of Scalp ringworm

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Scalp ringworm: A superficial fungus infection of the skin, affecting the scalp. Also known as ringworm.

It appears as scalp scaling associated with bald spots (in contrast to seborrhea or dandruff, for instance, which do not cause hair loss). It occurs most commonly in children, especially those in late childhood and adolescence, and can spread in schools.

Formally known in medicine as tinea capitis.