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Surgery General 06923670

In halo sign seen in csf rhinorrhea:

A
Blood is encircled with csf.
B
CSF is encircled with blood.
C
Both are mixed no demarcation.
D
None of the above.
High-Yield Explanation
CSF rhinorrhea seen in Lefort 2&3 Naso orbital ethmoid fracture. Cribiform plate fracture. Frontal sinus fracture. Sphenoidal sinus fracture

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