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Schwannoma of the ciliary body treated by block excision.
  1. M Küchle,
  2. L Holbach,
  3. U Schlötzer-Schrehardt and
  4. G O Naumann
  1. Department of Ophthalmology, University of Erlangen-Nürnberg, Germany.


    A 26-year-old man developed a non-pigmented ciliary body tumour of his right eye. A 7 mm block excision and tectonic corneoscleral graft were performed. The excised tissue was studied using histopathological, immunohistochemical, and electron microscopic techniques. The tumour revealed characteristic features of a Schwann cell neoplasm including Antoni A and B patterns, acid mucopolysaccharides, S-100, and vimentin positivity, and--by electron microscopy--Luse bodies. It was classified as a schwannoma. Although rare, schwannoma should be included in the clinical differential diagnosis of non-pigmented ciliary body tumours. Local excision should be considered to avoid over-treatment by enucleation.

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