Clinical Reasoning: A 62-Year-Old Man With Symmetric Saddle Hypoesthesia and Sphincter Dysfunction
Lorane Crausaz1, Thomas Baumgartner1, Valentin Loser1
1From the Service of Neurology, Department of Clinical Neurosciences, Lausanne University Hospital and University of Lausanne, Switzerland.
Neurology
|May 12, 2025
Summary
A rare cause of acute conus medullaris syndrome was identified in a 62-year-old man presenting with neurological deficits. This case underscores the need to consider uncommon etiologies beyond typical cauda equina syndrome presentations.
Area of Science:
- Neurology
- Radiology
- Medical Diagnostics
Background:
- Acute conus medullaris syndrome presents with specific neurological deficits.
- Initial presentation can mimic more common conditions like cauda equina syndrome.
- Diagnostic imaging is crucial for identifying the underlying cause.
Purpose of the Study:
- To report a rare case of acute conus medullaris syndrome.
- To highlight the diagnostic challenges in differentiating rare etiologies.
- To emphasize the importance of comprehensive workup in neurological emergencies.
Main Methods:
- Clinical presentation analysis of a 62-year-old male patient.
- Review of initial diagnostic imaging, including contrast-enhanced lumbar MRI.
- Correlation of clinical findings with subsequent diagnostic workup results.
Main Results:
- The patient exhibited symptoms consistent with conus medullaris syndrome, including dysesthesias, saddle hypoesthesia, and autonomic dysfunction.
- Initial MRI ruled out extrinsic compression or enhancement of neural structures.
- A rare etiology was identified through further investigation.
Conclusions:
- Acute conus medullaris syndrome requires careful diagnostic consideration.
- Rarity of etiology should not preclude its consideration in acute neurological presentations.
- Comprehensive diagnostic strategies are essential for accurate diagnosis and management.
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