<prompt> A 40 year old woman presents with a 2 year old Ho erythematous papulo pustular lesions on convexities of the face. There is a background of erythema telengiectasia. The most likely diagnosis isAcne vulgarisAcne rosaceaSLEPolymorphic light eruption  <response>: This woman has :-i Papulo-pustular lesionii Background of erythema and telangectasiaiii Involvement of faceiv Age 40 yearsPapulo-pustular lesion on face are caused by acne vulgaris and Acne rosacea, but presence of telangectasia and age 40 years suggest the diagnosis of Acne rosacea. 