Blue (or purple) toes: chilblains or chilblain lupus-like lesions are a manifestation of Aicardi-Goutières syndrome and familial chilblain lupus.
Prendiville
Julie S
JS
Crow
Yanick J
YJ
D001479:Basal Ganglia / Q000473:pathology; D018438:Blue Toe Syndrome / Q000473:pathology*; D001927:Brain Diseases / Q000473:pathology*; D002648:Child; D005385:Fingers / Q000473:pathology*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000473:pathology*; D013577:Syndrome; D014034:Toes / Q000473:pathology*