[Multiple pseudo-cellulitis plaques and Koplick's sign: a particular form of parvovirus B19 primo-infection in adults].

Introduction: clinical presentation which seems to be more specific of this infection.

Exegesis: A 35-year-old woman, 12 weeks pregnant, presented with a primary infection of parvovirus B19. The clinical presentation was characterized by pseudo-cellulitis plaques of the buttocks and the vulva, buccal enanthema with ulcerations and Koplick spot.