[Rare venous pathology: Mondor's disease].

A case of Mondor's disease is described. They remark etiopathogenesis and clinical signs of this rare disease that affects thoraco-epigastric vein or one of its confluents. They point to the benignity of the disease that tends to evolve to a spontaneous healing in a few weeks. Authors confirm the advisability of performing appropriate exams to exclude malignancies of the breast.