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Pupil-sparing third cranial nerve palsy with aberrant regeneration secondary to cavernous sinus arachnoid cyst
Journal article   Open access   Peer reviewed

Pupil-sparing third cranial nerve palsy with aberrant regeneration secondary to cavernous sinus arachnoid cyst

Kelly A. Malloy, Erin M. Draper and Ashley K. Maglione
eNeurologicalSci, v 14, pp 28-30
01 Mar 2019
PMID: 30555949
url
https://doi.org/10.1016/j.ensci.2018.11.017View
Published, Version of Record (VoR) Open

Abstract

Case Report
A 66 year-old woman presented with a pupil-sparing partial third cranial nerve palsy with aberrant regeneration. Imaging revealed a cystic lesion in the right cavernous sinus, demonstrating signal characteristics consistent with arachnoid cyst. Oculomotor synkinesis and a pupil-sparing third cranial nerve palsy from an arachnoid cyst of the cavernous sinus have not been previously reported. Intracavernous arachnoid cysts are in the differential diagnosis of cranial nerve III palsies, with and without synkinesis or pupil involvement. • Case of pupil-sparing partial third cranial nerve palsy with aberrant regeneration. • Oculomotor synkinesis attributed to arachnoid cyst of the cavernous sinus. • Intracavernous arachnoid cysts can cause cranial nerve III palsies.

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