Bleeding spots seen on removal of scales in psoriasis is called as -
AUSPITZ SIGN- fine bleeding points that appear after removal scales is seen in psoriasis. it is due to capillarity dilatation and touosity in papillary dermis and suprapapillary thinning of epidermis. IADVL textbook of dermatology page 1032 nikolsky sign is seen in pemphigus vulgaris.
Auspitz sign
Punctate hemorrhage
Nikolysk's sign
barrier sign
Papulosquamous disorders