This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Eczema and related disorders, Subject name: Dental
[{'content': 'Spongiosis is seen in: \nSelect and explain. \nA. Acute eczema, B. Lichen planus, C. Psoriasis, D. Pemphigus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: ECZEMA - Reaction pattern of inflammatory response of skin characterized clinically in Acute stage- Spongiosis( oozing out lesions) erythema vesiculation Chronic stages - Acanthosis (lichenified lesions) Histopathological features of eczema - Epidermis: 1 Acute phase spongiosis i.e. intercellular edema. 2 Subacute phase Parakeratotic stratum corneum. Acanthotic process stas. Rete ridges broaden and get elongated. 3 Chronic phase Rete ridges broaden and elongate fuher. Hyperkeratosis replaces parakeratosis. Dermis: Vasodilatation in the papillary dermis accompanied by lympho-histiocytic infiltrate. Polymorphs and Eosinophils are seen in Acute eczema .', 'role': 'assistant'}]