A patient presented after A with left sided epistaxis & diplopia. On performing CT scan following finding is noted. What would be the cause for Diplopia?: (A) Fracture zygoma, (B) Blow out fracture, (C) Lefo fracture, (D) Fracture ethmoid bone
Answer is B. Tear drop sign: -On Water's view radiograph, polypoid mass can be observed hanging from the floor into the maxillary antrum - Seen in the Blowout fracture of the orbit. Blowout fracture of the orbit: -The Diplopia is due to Inferior Rectus muscle entrapment. - Forced duction test is done to differentiate.