This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Subject name: Dental
[{'content': 'A 8 year old child has localized noncicatricial alopecia over scalp with itching and scales. The diagnosis is: \nSelect and explain. \nA. Tinea barbae, B. Alopecia areata, C. Tinea capitis, D. Lichen planus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Tinea barbae - beard area. Lichen planus - causes cicatricial alopecia. Tinea capitis - Non- cicatricial alopecia. Alopecia areata - Non- cicatricial alopecia. DOC for tinea capitis: Trichophyton - Terbinafine Microsporum spp -griseofulvin Tinea capitis Alopecia areata Age Children Adults Itching and scales + - Exclamation mark Not seen Stumps are exclamation mark shaped Density of hair Numerous broken hair Scanty hair', 'role': 'assistant'}]