Griesinger sign

Grie·sing·er sign

(grē'sing-ĕr), erythema and edema over the posterior part of the mastoid process due to septic thrombosis of the mastoid emissary vein and indicating thrombophlebitis of the sigmoid sinus.

Grie·sing·er sign

(grē'zing-ger sīn) Erythema and edema over the posterior part of the mastoid process due to septic thrombosis of the mastoid emissary vein and indicating thrombophlebitis of the sigmoid sinus.