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: Dental
[{'content': 'The only indication of giving corticosteroids in pustular psoriasis is – \nSelect and explain. \nA. Psoriatic erythroderma with pregnancy, B. Psoriasis in a pt. with alchoholic cirrhosis, C. Moderate arthritis, D. Extensive lesions', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Indications of systemic steroids in psoriasis\n\nGeneralized pustular psoriasis of pregnancy/erythroderma (only definitive indication)\nPersistent, otherwise uncontrolled, erythrodernzic psoriasis causing metabolic complications.\nGeneralized pustular psoriasis, if other drugs are contraindicated or ineffective.\nSevere psoriatic arthritis threatening severe irreversible joint dagmage (not in mild or moderate arthritis).\xa0\n\n\nNote\xa0- Some guides have given option d i.e. extensive lesions as answer. But they are wrong, following statement will clear all doubts :-"Systemic steroids are the drug of choice in pregnant women with exfoliative erythroderma (elythrodermic psoriasis)\xa0and generalized pustular psoriasis" .\n\xa0I have also confirmed it from many teachers of dermatology.\n\nAbout extensive lesions\xa0\n\nExtensive lesions are called when greater than 30% of surface area is involved.\xa0Treatment of choice for extensive lesions is Narrow band UV-B incombination with emollient.\xa0Alternatives are PUVA, methotrexate, Acitretin, Cyclosporin, fumaric acid esters.', 'role': 'assistant'}]