female hard structure on hand since 1 yr no pain mild itching plz suggest diagnosis and treatment

30 male such lesions since 5 years on chest no any complaint.rx and DX pleas

47 year old female patient came to op with the following skin lesions on her leg. She gives a past history of varicella on last September and was cured with medications, and following that she developed the present complaint. Also c/o on and off itching....

6month old baby suffering from this disease. please guide diagnosis and treatment

only mild itching not responding to local steroids