[Kyrieleis arteritis: report of two cases and literature review].

We report the cases of two patients presenting with unilateral Kyrieleis arteritis complicating severe posterior uveitis, one secondary to toxoplasmosis and the other in the context of Behçet's disease. The treatment response was favorable with complete visual recovery in both cases. Kyrieleis arteritis has been described since 1933, but its pathogenesis is still unknown. However, it appears to be more of a periarteritis than an actual arteritis. It is classically associated with posterior uveitis without a direct correlation with disease severity.