Lichen Planus

Fully developed

Superficial perivascular infiltrate of lymphocytes
Band-like infiltrate of lymphocytes across a thickened papillary dermis obscuring the dermoepidermal junction
Melanophages in variable number within the lichenoid infiltrate
Necrotic keratinocytes within the epidermis, especially the lower half, and within the papillary dermis (Civatte bodies)
Foci of wedge-shaped hypergranulosis
Compact orthokeratosis