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Histopathological changes of fibrosis in human extra-ocular muscle caused by botulinum toxin A

Ji Li1, Alexandra Allende2, Frank Martin3

  • 1Concord General Repatriation Hospital, Sydney.

Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
|August 25, 2016
PubMed

Abstract:

We report the histopathological findings in 3 patients where injections of botulinum toxin were used prior to strabismus surgery. In all cases we found evidence of permanent extraocular muscle atrophy and fibrosis.

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