What is the name of the inflammatory form of tinea capitis that develops a secondary bacterial infection, resulting in a painful, well-defined, swollen, and hardened lesion?

Explanation

Kerion is an inflammatory variant of tinea capitis characterized by secondary bacterial infection, causing a painful, localized, boggy, and indurated lesion. Alopecia areata is an autoimmune hair loss condition. Pilomatrixoma is a benign skin tumor. Tinea incognito refers to tinea infections altered by inappropriate treatment.