tinea/scabies/folliculitis

A 50 yr old man came with these lesions on his scalp. Total duration was 2 years. Initially started as few papules but later spread to invoke a larger area and also to the dorsum of the right hand. Usually asymptomatic but rarely itchy. No similar lesions elsewhere. Diagnosis and management?

4 months old babyhaving this kind of lesions on the scalp for last 15 days Expert Opinion please

A 2.5 years old boy presents having this type of lesion in mild itching and mild pain that occurring on head since last 5 days.

A 6-year-old male child with pruritic rashes all over his scalp. His little sister has the similar rashes on her too. These lesions are itchy Any ideas what it is?

16 years girl ....suffrung frm this since 1 year....severe itching and reness... what are the requierd.....investigation....diagnosis and treatment plz. pnt was treated some dr ...was giving some injection and ointment...suggest diagnosis and treatment plz