Characteristic radiological finding in Frontal mucocoele is:
Correct Answer: Patchy osteolysis
Description: Ans: D (Patchy osteolysis) Ref: Aggarwai SK et al. Frontal sinus mucocele with orbital complications: Management by varied surgical approaches. Asian J Neurosurg. 2012 Jul-Sep; 7(3): 135-140.Explanation:There are three criteria for CT diagnosis of a mucocoele:Homogeneous isodense massClearly defined marginPatchy osteolysis around the massErosion of the sinus wall with marginal sclerosis is also an indicative findingIn MRI, mucocoeles tend to be fairly bright on TIW images compared to the brain and isohyperintense on T2W images (Pathognomonic MRI finding)
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