Rabies MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Iqra Qamar M.D.[2]

Overview

Findings on MRI suggestive of rabies include areas of increased T2 intensity (flare) may be seen in hippocampus, hypothalamus, and brainstem.

MRI

Findings on MRI suggestive of rabies include:

• Areas of increased T2 signaling may be seen in:
  • Hippocampus
  • Hypothalamus
  • Brainstem
• Rabies encephalitis may involve
  • Increased T2 signal predilection for the basal ganglia, thalami, hypothalami, brainstem, limbic system, and spinal cord as well as the frontal and parietal lobes 
• In paralytic rabies, involvement of the spinal cord and medulla may be more pronounced

Case courtesy of- Case courtesy of Dr Nafisa Shakir Batta, Radiopaedia.org, rID: 37813

Case courtesy of- Case courtesy of Dr Nafisa Shakir Batta, Radiopaedia.org, rID: 37813