AI Article Synopsis
- Footdrop is a condition characterized by weakness in the ability to lift the ankle and toes, often with known peripheral causes; however, bilateral footdrop from central nervous system issues is less common and not thoroughly understood.
- A case study presented a patient who experienced bilateral footdrop following a severe subarachnoid hemorrhage, treated with coil embolization, but showed no significant spinal abnormalities in imaging.
- The rarity of central causes for acute footdrop emphasizes the need for clinicians to include them in the differential diagnosis, especially when upper motor neuron signs are observed during physical examinations.
Article Abstract
Background And Importance: Footdrop designates weakness of the ankle as well as toes dorsiflexion. Peripheral causes of unilateral footdrop are well established. Bilateral footdrop originating from pathologies in the central nervous system are rare and include a number of unexplored etiologies.
Clinical Presentation: A case of bilateral footdrop is presented. The patient presented with a grade IV subarachnoid hemorrhage with intraventricular extension. He was treated with coil embolization of an anterior communicating artery aneurysm. Postoperatively, he was found to have weakness of both ankle and toe dorsiflexion. Findings on magnetic resonance imaging of the cervical, thoracic, and lumbar spine were negative for abnormal cord signal, cord infarction, and compressive lesion. Magnetic resonance imaging of the brain revealed parasagittal bifrontal and right greater than left convexity foci of acute infarction.
Conclusion: Central causes of acute footdrop are rare. However, they should be considered in the differential diagnosis, particularly in the presence of upper motor neuron signs on physical examination.
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| http://dx.doi.org/10.1227/NEU.0b013e3182171242 | DOI Listing |
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