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Proposed modified diagnostic criteria for recurrent painful ophthalmoplegic neuropathy: Five case reports and
Yinglu Liu1, Miao Wang2, Xiangbing Bian3
1Medical School of Chinese PLA and Department of Neurology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China.
Background:
Recurrent painful ophthalmoplegic neuropathy (RPON) is an uncommon disorder characterized by recurrent unilateral headache attacks associated with ipsilateral ophthalmoplegia. We intend to study the clinical picture in our case series along with the published literature to discuss the pathogenesis and propose modified diagnostic criteria for recurrent painful ophthalmoplegic neuropathy.
Methods:
We reported five cases diagnosed as ophthalmoplegic migraine/RPON in our medical centers and reviewed the published literature related to RPON from the Pubmed database between 2000 and 2020. In one of these cases, a multiplanar reformation was performed to look at the aberrant cranial nerve.
Results:
The mean onset age for RPON was 22.1 years, and the oculomotor nerve was the most commonly involved cranial nerve (53.9%) in 165 reviewed patients. In most patients, ophthalmoplegia started within 1 week of the headache attack (95.7%, 67/70). Additionally, 27.6% (40/145) of patients presented enhancement of the involved nerve(s) from MRI tests. Finally, 78 patients received corticosteroids, out of which 96.2% benefited from them.
Conclusion:
This is the first time multiplanar reformation has been performed to reveal the distortion of the oculomotor nerve. Modified diagnostic criteria are proposed. We hope to expand the current knowledge and increase the detection of recurrent painful ophthalmoplegic neuropathy in the future.
