8 years boy itching and scaly lesions on right hand spread linear shape. since 6 months. what is diagnosis ? right management?

8 year old girl brought for rash in her left leg starting at the foot and crawling upwards to her upper inside thigh over 4-5 days..priritic No fever..no pain...O/E non erythematous minute popular rash from medial malleolus all along the saphenous path as in lymhangitis..up to the medial side of groin..The path looks like crawling ants..or brown rice granules spread all along as for ants as some people do..Does not look like lymphangitis with its lack of red streakinesd..and no lymphadenitis in the groin that can be appreciated...

A 25-year-old female presented with asymptomatic lesions linearly arranged over her left upper extremity. The initial lesion first appeared fifteen years ago and new lesions gradually appeared over time.No h/o joint pain or infection. She had a past h/o posttraumatic distress disorder and depression. She also had a skin biopsy of the right forearm which showed chronic spongiotic dermatitis. Plz, suggest the Dx and Rx.

what is the dx and treatment, pts has also complain of itching.

8 year pt have a lesion from more than one month ... diagnosis and treatment?