This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Dermatitis Erythema, Subject name: Skin
[{'content': 'Characteristic of chronic eczema - \nSelect and explain. \nA. Erythema, B. Induration, C. Lichenification, D. Edema', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Lichenification Phase (stage)Clinical featuresHistologyo Acute* Vesicles* Erythema* Edema* Crusts# Spongiosis (intracellular edema)o Subacute* Erythmatous, hyperpigmented plaque* Scales & Crusts# Parakeratosiso Chronic# Lichenification# Thickening of stratum malpighiNote:- Lichenification is a triad of hyperpigmentation, skin thickening and increased skin marking.", 'role': 'assistant'}]