The Ophthalmology Unit,  Universiti Malaysia Sarawak (UNIMAS), Kuching, Sarawak.

The Ophthalmology Department, Sarawak General Hospital, Kuching, Sarawak, East Malaysia.

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Fracture of cheek bone

Photo by Professor Chua Chung Nen

This 48 year-old man fell off his bike four days ago and suffered pain in the right cheek with hypoanaesthesia. The skull X-ray was reported as normal. He was referred for an eye examination because of some blurring of the right eye. The ocular examination including ocular movement was normal. However, it was noted that the right cheek was flatter than the left and the cheek was painful to touch. A review of the X-ray showed dislocation of the right zygomatic bone. A CT scan confirmed the finding. He was referred to the ENT surgeon and the bone was replaced.

 

Flattening of the right cheek compared with the opposite side.

 

Plane X-ray showed dislocation of the zygomatic bone (best seen in the left X-ray)

and asymmetrical orbital edges (best seen in the right X-ray).

 

Reconstructed CT scan showing dislocation of the zygomatic bone.

 

Lateral view of the dislocated bone.

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