<prompt> Griesingers sign is seen in -Lateral sinus thrombosisMeningitisBrain abscessCerebellar abscess  <response>: Lateral Sinus ThrombophlepitisIt is inflammation of the walls of sigmoid sinus lateral sinus with the formation of thrombus - Complication of acute coalescent mastoiditis or masked mastoiditisAetiology - Chronic SOM with cholesteatoma 