'Butterfly' sign.
Plantin
P
P
Service de Dermatologie, Chu Morvan, Brest, France.
Delaire
P
P
Sassolas
B
B
Guillet
G
G
D006801:Humans; D010859:Pigmentation Disorders / Q000473:pathology*; D011537:Pruritus / Q000473:pathology*