Document Detail

The opposite pupil in herniation.
MedLine Citation:
PMID:  2234425     Owner:  NLM     Status:  MEDLINE    
I serially examined the pupil opposite the one already enlarged from transtentorial herniation in 13 patients. The main abnormalities, stereotyped in most patients, were an initially diminished light reaction with a 2.5- to 4-mm-diameter pupil, followed by slight reduction in size, and then reenlargement to greater than original size, all with preserved roundness. Subsequent deterioration varied among patients, but a transitional oval shape was infrequent and oculomotor function was preserved until both pupils were enlarged and fixed. Once the pupil on the side of a mass enlarges, heralding herniation, subsequent deterioration can be appreciated through changes in reactivity and size of the opposite pupil.
A H Ropper
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Neurology     Volume:  40     ISSN:  0028-3878     ISO Abbreviation:  Neurology     Publication Date:  1990 Nov 
Date Detail:
Created Date:  1990-12-10     Completed Date:  1990-12-10     Revised Date:  2014-06-03    
Medline Journal Info:
Nlm Unique ID:  0401060     Medline TA:  Neurology     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1707-9     Citation Subset:  AIM; IM    
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MeSH Terms
Encephalocele / complications,  physiopathology*
Eye Movements
Pupil Disorders / etiology,  physiopathology*
Reflex, Pupillary

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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