Hanging drop sign in x-ray is seen in -
Ans: a (Orbital floor fracture) Ref: AK Khurana, 4th ed, p. 398Hanging drop sign in roentgenogram is seen in orbital floor fracture.Orbital floor fractureThe most useful projection for detecting orbital floor fracture is waters view:Findings in x-ray include:Fragmentation and irregularity of orbital floorDepression of bony fragments"Hanging drop" opacity in the superior maxillary antrum. It is due to the herniation of orbital contents through the floor.
Orbital floor fracture
Medial wall fracture
Lateral wall fracture
Superior margin fracture