Gottron papules


Gottron papules: a pathognomonic sign of dermatomyositis

Multiple hyperkeratotic, flat, red papules with central atrophy present on metacarpophalangeal and interphalangeal joints.

Cuticular hypertrophy and periungual capillary dilatation are present

The pathognomonic features of dermatomyositis,include small purple or red flat papules on extensor surfaces, particularly the elbows and joints of the hand.

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