Cavernous sinus thrombosis following sinusitis results in all of the following signs except:
Correct Answer: Constricted pupil in response to light
Description: Ptosis and ophthalmoplegia occur in cavernous sinus thrombosis due to involvement of III and IV and V cranial nerves. Retinal vessels are also engorged but pupils are fixed and dilated,due to involvement of III nerve and sympathetic plexus. Ref Dhingra 5/e,p 214.
Category:
ENT
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