"Interface dermatitis" is a histological feature of
Interface dermatitis includes diseases in which the primary pathology involves the dermo-epidermal junction. (hence called interface). The salient histological findings include basal cell vacuolization, apoptotic keratinocytes (colloid or Civatte bodies), and obscuring of the dermo-epidermal junction by inflammatory cells. Lupus erythematosus, dermatomyositis, lichen planus, graft versus host disease, erythema multiforme, fixed drug eruptions are some examples. Ref Harrison 20th edition pg 1234
Psoriasis
Lichen planus
Pityriasis rosea
Dermatophytosis
Papulosquamous disorders