<prompt> Gottrons papules are seen in:DermatomyositisSclerodermaMixed connective tissue disorderPemphigus vulgaris  <response>: Ans: A Dermatomyositis Ref: Connective Tissue Disorders. In: Thappa DM, editor. Essentials in Dermatology, 2nd edn. New Del hi: Jay pee; 134-47Explanation:DERMATOMYOSITISConnective tissue disorder characterized by inflammatory myositis presenting with proximal muscle weakness and cutaneous manifestations in the form of:Pathognomonic features:Gottrons papules - violaceous flat topped papules on IP joints and knuckles; also knee, elbow, medial malleoliGottrons sign- violaceous erythematous macules with or without edema at the above mentioned sitesCharacteristic features:Heliotrope rash- periorbital violaceous erythema with edemaShawl sign- erythema and scaling with or without poikiloderma over shoulder regionPeriungual telangiectasia and dystrophic cuticlesMechanics hands- hyperkeratosis, scaling, Assuring and hyperpigmentation over fing-ertips, sides of thumbs and fingersCompatible features:Calcinosis cutisPoikilodermaa trophicans vasculare 