A 8 year old child has localized non cicatrial alopecia over scalp with itching and scales. The diagnosis is –

Information in this question are - Non-cicatrial alopecia Itching Scales Patient is child (8 years) Amongst the given options Non-cicatricial alopecia is caused by T.Capitis and alopecia areata. But only T.Capitis fullfils the criteria here, i.e. Non-cicatricial alopecia, Itching, Scales in a child. Alpecia areata occurs in young adults, and there is no itching or scales.