You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Histological finding of Lichen planus - and explain in detail?
Ans. is 'd' i.e.. All of the above Histopathology in Lichen planus The basic pathology in lichen planus is the damage to the basal cell layer of epidermis leading to hydropic degeneration of basal cells.Epidermal thickening especially of granular cell layer - Hypergranulosis.Hyperkeratosis (Thickening of stratum cornuem)Acanthosis (Thickening of Stratum) malpighi.Subepidermal - lichenoid band due to deposition of lymphocytes & histiocytes in upper dermis.Dropping of melanin pigment from damaged keratinocytes of epidermis into dermis -pigment incontinence,This melanin is engulfed by macrophages which results information of cvtoid bodies (civatte or colloid bodies).Mox Joseph Histological cleft - Separation of epidermis in small clefts.