Rabies MRI

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

Overview

Findings on MRI suggestive of rabies include areas of increased T2 signaling 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:[1]
    • 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


References

  1. Burton EC, Burns DK, Opatowsky MJ, El-Feky WH, Fischbach B, Melton L, Sanchez E, Randall H, Watkins DL, Chang J, Klintmalm G (2005). "Rabies encephalomyelitis: clinical, neuroradiological, and pathological findings in 4 transplant recipients". Arch. Neurol. 62 (6): 873–82. doi:10.1001/archneur.62.6.873. PMID 15956158.

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