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[Orbital neuroma developing in the ciliary nerve].

Masaya Iwakawa¹, Hiroyuki Kinouchi, Taku Sugawara

¹Department of Neurosurgery, Akita University School of Medicine, 1-1-1 Motomichi, Akita-city, Akita 010-8543, Japan.

No Shinkei Geka. Neurological Surgery

|July 24, 2002

Summary

Orbital neuroma, a rare orbital tumor, was successfully removed from a short ciliary nerve. Surgical intervention improved vision and resolved symptoms like exophthalmos and diplopia.

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Area of Science:

Ophthalmology
Neurosurgery
Oncology

Background:

Orbital neuroma is a rare orbital tumor, often difficult to diagnose due to anatomical complexities.
Accurate diagnosis of the tumor's origin is crucial for effective treatment planning.

Observation:

A 72-year-old female presented with visual disturbance, exophthalmos, diplopia, and Marcus Gunn pupil sign.
Imaging revealed a left orbital tumor near the optic nerve and posterior eye.
The encapsulated tumor adhered to the sclera, short ciliary nerve, and optic nerve.

Findings:

A short ciliary nerve neuroma was confirmed histologically after surgical removal.
The tumor was successfully excised via superior orbitotomy with a transcranial approach.
Postoperative recovery showed no neurological deficits, with improved visual acuity and resolution of symptoms.

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Implications:

Surgical removal of short ciliary nerve neuroma is feasible without neurological deficits.
Microsurgical precision and understanding of orbital anatomy are key for successful outcomes.
This case highlights the importance of considering rare nerve origins for orbital tumors.