<prompt> Kerion is seen in :PityriasisDermatophytosisCandidiasisTrichomoniasis  <response>: Ans is b Dermatophytosis Dermatophytosis is superficial fungal infection of the skin.These infections are restricted to the invasion of homys structures, Stratum corneum, Nail Hair.Tinea is group name for highly contagious mycelial fungus. There are 3 distinct genera in this group.1. Epidermophyton No hair involvement2. Microsporum No Nail involvements3. Trichophyton Tinea Capitis - is caused mainly by Trichophyton and microspora. The lesion produced are of 4 types.1. Scaly Type2. Kerion - usually caused by Trichophyton. Initially boil like lesions later painless boggy swellings are produced.3. Black dot4. Favus 