Definition of "kerion" [kerion]

• A response condition to a fungal ringworm infection of the hair follicles of the scalp and beard accompanied by secondary bacterial infection, usually presenting itself as raised, spongy lesions. (noun)

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• "Tinea kerion (_kerion_) is a markedly inflammatory type of ringworm of the scalp involving the deeper tissues, appearing as a more or less bald, rounded, inflammatory, [oe] dematous, boggy, honeycombed tumor, discharging from the follicular openings a mucoid secretion."
• "It consists of a flat carbuncular or kerion-like inflammation, somewhat elevated, and usually a dime to silver dollar in area."
• "In that form known as tinea kerion mild applications are demanded at first; later the same treatment as in the ordinary type."