This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
Characteristic of chronic eczema ? 
Select and explain. 
A. Erythema, B. Induration, C. Lichenification, D. Edema
C: Lichenification
Answer: C: Lichenification 
Explanation: Ans. is 'c' i.e., Lichenification Phase (stage) Clinical features Histology Acute Vesicles a Erythema Edema o Crusts Spongiosis (intracellular edema) Subacute Erythmatous, hyperpigmented plaque Scales & Crusts Parakeratosis Chronic Lichenification Thickening of stratum malpighi