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
A 8 year old child has localized non cicatrial alopecia over scalp with itching and scales. The diagnosis is – 
Select and explain. 
A. Tinea Barbae, B. Alopecia areata, C. Tinea Capitis, D. Lichen planus
C: Tinea Capitis
Answer: C: Tinea Capitis 
Explanation: 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.