<prompt> Lateral sinus thrombosis is associated with all except:Griesingers signGradenigo triadCrowe-Beck signTobey-Ayer test  <response>: b Gradenigo triadRef. Cummings, 6th ed., 2165Gradenigo triad is seen in association with abscess of petrous apex or petrositis. Rest all are seen in lateral sinus thrombosis. 