Extraocular muscle biopsy during surgery for strabismus of unknown etiology.

J AAPOS

Department of Ophthalmology and Visual Sciences, University of Texas Medical Branch, Galveston; Ophthalmology, Institute for Academic Medicine Houston Methodist, Houston, Texas; Ophthalmology, Weill Cornell Medical College, New York, New York; Ophthalmology, Neurology, and Neurosurgery, Weill Cornell Medicine, New York, New York; Ophthalmology UT MD Anderson Cancer Center, Houston, Texas; Texas A and M College of Medicine, Houston; Ophthalmology, Baylor College of Medicine and the Center for Space Medicine, Houston, Texas; Ophthalmology, University of Iowa Hospitals, Iowa City; Ophthalmology, University of Buffalo, Buffalo, New York. Electronic address:

Published: December 2019

Most cases of strabismus have a chronic and stable or known etiologic diagnosis prior to surgery. In some cases, however, surgery is undertaken to correct a stable ocular misalignment without a definitive etiology. We present 2 cases, one with euthyroid Graves' orbitopathy and the other with amyloid light-chain amyloidosis, in which extraocular muscle biopsy performed intraoperatively allowed histopathologic confirmation of a clinical diagnosis.

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http://dx.doi.org/10.1016/j.jaapos.2019.09.010DOI Listing

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