Cystic schwannoma of the orbit

D. S.C. Lam, J. S.K. Ng, K. F. To, V. Abdulah, C. T. Liew, M. O.M. Tso

Research output: Contribution to journalArticlepeer-review

34 Scopus citations


Cystic schwannoma of the orbit is unreported in the world literature. A 54-year-old Caucasian man presented to our clinic with a 5 year history of progressive right-sided proptosis and diplopia. A large paramedian cystic mass displacing the right globe downwards and laterally was demonstrated. From the clinical and radiological features, the presumptive diagnosis of right frontal sinus mucocoele was made. However, the excisional biopsy of the lesion revealed the rare diagnosis of cystic schwannoma, arising from a branch of the first division of the trigeminal nerve. Postoperatively, the patient had a smooth recovery with visual acuity of 20/20 in each eye; full binocular single vision was also re-established. The differential diagnoses of cystic orbital mass, and the radiological and histological findings of the lesion, are described and discussed.

Original languageEnglish (US)
Pages (from-to)798-800
Number of pages3
Issue number6
StatePublished - 1997
Externally publishedYes

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems


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