Enophthalmos and Hemifacial Skeletal Atrophy After Trigeminal Nerve Injury

Ophthalmic Plastic and Reconstructive Surgery
Khami Satchi, Alan A McNab

Abstract

A 60-year-old woman presented with several years increasing right upper eyelid ptosis. She had undergone surgical decompression of the right trigeminal nerve in the posterior cranial fossa 15 years earlier for trigeminal neuralgia. This left her with permanent numbness in the second and third divisions of the trigeminal nerve. In addition to the ptosis, she was found to have right enophthalmos and a smaller right face. CT scans showed a smaller midfacial skeleton on the right and a depressed orbital floor. The changes were different to those seen in silent sinus syndrome. Photographs taken over many years showed the facial changes were acquired and came on gradually many years after the trigeminal nerve injury. It is possible that trigeminal nerve injury may lead to trophic changes in the facial skeleton, but these have not been previously reported.

References

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