This condition is due to mutations in the TMEM173 gene. This gene is located on the long arm of chromosome 5 (5q31.2) and encodes the stimulator of interferon genes<unk>  protein. There are 3 disease causing mutations in the dimerization domain of<unk>  that cause SAVI; V155M, N154S, and V147L.
STING-associated vasculopathy with onset in infancy
Livedoid vasculitis
Congenital hereditary endothelial dystrophy
Lupus vasculitis
Golfer's vasculitis
Systemic vasculitides
Roussy–Lévy syndrome
Retinal vasculopathy with cerebral leukoencephalopathy and systemic manifestations