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Isolated trochlear nerve palsy with midbrain hemorrhage
Author(s) -
S Raghavendra,
K Vasudha,
SRavi Shankar
Publication year - 2009
Publication title -
indian journal of ophthalmology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.542
H-Index - 51
eISSN - 1998-3689
pISSN - 0301-4738
DOI - 10.4103/0301-4738.58476
Subject(s) - midbrain , trochlear nerve , palsy , medicine , oculomotor nerve palsy , neuroimaging , anatomy , anesthesia , pathology , central nervous system , psychiatry , alternative medicine
Midbrain hemorrhage causing isolated fourth nerve palsy is extremely rare. Idiopathic, traumatic and congenital abnormalities are the most common causes of fourth nerve palsy. We report acute isolated fourth nerve palsy in an 18-year-old lady due to a midbrain hemorrhage probably due to a midbrain cavernoma. The case highlights the need for neuroimaging in selected cases of isolated trochlear nerve palsy.

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