Acne vulgaris is a common chronic inflammatory disease of the skin. It is found in about 80% of young adults and adolescents. It is a disease that affects the pilosebaceous units of the skin and may result in inflammatory or non-inflammatory lesions,Oral isotretinoin (13-cis-retinoic acid) is the only drug that counteracts all the pathogenetic mechanisms that contribute to the development of acne .The standard dose of isotretinoin is 0.5 to 1 mg/kg per day for 4 months to a cumulative dose of 120-140 mg/kg is effective in the management of acne vulgaris The scope of our study is to detect serum YKL-40 level in acne patient before and after oral isotretinoin treatment
The aim of the study is to evaluate the effect of oral isotretinoin on SerumYKL40 in acne vulgaris patients.