1325
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.