This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Papulosquamous disorders, Subject name: Dental
[{'content': 'Not a histological feature of lichen planus is - \nSelect and explain. \nA. Acanthosis, B. Hyperkeratosis, C. Neutrophils in stratum corneum, D. Pigment incontinence', 'role': 'user'}, {'content': 'Answer: C \nExplanation: LICHEN PLANUS:-Inflammatory T cell mediated auto immune disorder affecting skin, hair,nails and mucous membranes.Histology:-1. Irregular acanthosis of the epidermis.2. Hypergranulosis- wedge shaped3. Compact hyperkeratosis.4. Basal cell degeneration5. Colloid bodies6. Pigment incontinence.7. Band like lympho histiocytic infiltrate obscuring the dermoepidermal interface.{Reference: IADVL textbook of dermatology,page 1070 neutrophils in stratum corneum - munro micro abcess seen in psoriasis', 'role': 'assistant'}]