Chiasmal Syndromes

Matthew J. Thurtell, Robert L. Tomsak and Robert B. Daroff

in Neuro-Ophthalmology

Published on behalf of Oxford University Press

Published in print October 2011 | ISBN: 9780195390841
Published online April 2013 | e-ISBN: 9780199322893 | DOI:

Series: What Do I Do Now

Chiasmal Syndromes

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Dysfunction of the optic chiasm typically produces bitemporal visual field defects. Chiasmal dysfunction most frequently results from compression by extrinsic lesions, such as pituitary macroadenomas and suprasellar meningiomas. We describe the clinical signs of chiasmal dysfunction in this chapter. We also discuss the evaluation and management of pituitary apoplexy.

Chapter.  891 words.  Illustrated.

Subjects: Neurology

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