D'autres associations possibles sont aussi le syndrome de Sjögren, l'ulcère cornéen de Mooren, le lymphome malin à cellules B non hodgkinien, la thyroïdite et le purpura thrombopénique immun.1,
Associations have also been suggested with Sjögren's disease, Mooren's corneal ulcer, B-cell non-Hodgkin's lymphoma, thyroiditis, and immune thrombocytopenic purpura.