Hi I am medical student(in dermotology), I have a patient whose biopsy report says mild hyperkeratosis and a thin granular layer.no keratotic follicular plugs seen,dermis also shows mild perivascular infiltration by mononuvlear cells and pigment incontinence.Melanophages are also seen.hydropic degeneration of basal layer is not seen.

Now I think it can be the case of erythema dyschomicum perstans and dygnosis skin biopsy shows non specific features with pigment incontinence? Could be a cause

Though I have recommended combo of resticlyn and alergea which has given good results for two weeks but later the same spots are seen.Any doctor here? We can have a discussion.
Lol ! :) Hope this is not too heavy for this site..

I have medical faculty, but I'm not an active doctor. How do changes on the skin look, how old is a patient, is he/she exposed to the sun... and where this hyperkeratosis appears after all :) .

Have you tried some online derm atlases?
Dermnetnz.org
Atlasdermatologico.com.br

It appears on entire back and front and lower ears and on forehead ,patient is 27 years old and symotoms 5-6 yrs old,patient is a female anxd have complaint that slowly the same problem is coming on her thighs... too

How does the rash look? Is it scaling, red, bumpy..

The scars are brown (not red or dark black)they at times turn dark brown and no itching on scaly skin .they llok like pigmentation on skin (in prominent way) medicine like tetracycline shows improvement for few weeks...

This is my new id... previously samanta_20099