[Cyclic purpura caused by megakaryocyte dysgenesis].
D005260:Female; D006801:Humans; D008533:Megakaryocytes / Q000473:pathology*; D008875:Middle Aged; D010507:Periodicity; D013920:Thrombocythemia, Essential / Q000473:pathology*
Purpura cyclique par dysgénésie mégacaryocytaire.