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Portable Thermographic Screening for Detection of Acute Wallenberg's Syndrome

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Published on: September 19, 2019

Thalamic transitory ischemic attacks presenting as Jacksonian sensory march.

Victoria Schubert¹, Stephan Lauxmann¹, Benjamin Bender²

¹Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, Eberhard-Karls University Tübingen, Hoppe-Seyler Str. 3, 72076, Tübingen, Germany.

Journal of Neurology

|September 13, 2017

Summary

This summary is machine-generated.

Thalamic ischemia, not epilepsy, can cause spreading sensory symptoms resembling Jacksonian march. This finding highlights thalamic transient ischemic attacks as a crucial differential diagnosis for sensory seizures.

Keywords:

Jacksonian sensory march Partial seizures Sensory stroke Thalamic ischemia Transitory ischemic attack (TIA)

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Area of Science:

Neurology
Neuroscience
Vascular Neurology

Background:

Spreading somatosensory symptoms, known as Jacksonian sensory march, are typically attributed to epileptic seizures.
Differentiating the cause is critical for appropriate clinical management and treatment.

Observation:

Three cases are presented where Jacksonian-like sensory symptoms were caused by thalamic ischemia.
Patients experienced recurring hemiparesthesias spreading from face to limb, with initial MRI scans being negative.
Repeated imaging revealed thalamic infarctions, and one case presented with isolated spreading sensory symptoms without recurrence.

Findings:

Thalamic ischemia can manifest as spreading sensory symptoms mimicking epileptic auras.
Early diagnostic imaging may not detect acute thalamic changes, necessitating repeat scans.
Electroencephalogram (EEG) and cardiovascular diagnostics were normal in all reported cases, ruling out other common causes.

Implications:

Thalamic transient ischemic attacks (TIAs) represent an important differential diagnosis for somatosensory epileptic auras.
Recognition of thalamic ischemia is vital for guiding distinct clinical management strategies.
This study expands the understanding of sensory stroke presentations beyond sudden-onset deficits.