Isolated oculomotor nerve palsy as the presenting clinical manifestation of a meningeal carcinomatosis: a case report
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We present a previously unreported case of isolated oculomotor nerve palsy as the inaugural clinical sign of meningeal carcinomatosis (MC). Gadolinium-enhanced magnetic resonance images (MRI) were unremarkable. Cerebrospinal fluid (CSF) analysis showed malignant cells consistent with a pulmonary adenocarcinoma; the chest CT revealed a small pulmonary mass in the upper right lobe. This case highlights the importance of considering MC in all patients who develop sudden oculomotor palsy; lumbar punctures should always be performed on patients with normal MRI when other possible causes of oculomotor palsy have been ruled out.
Key wordsMeningeal carcinomatosis Lung adenocarcinoma Oculomotor nerve Magnetic resonance imaging Cerebrospinal fluid analysis
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