Images in Neuroscience: Answer

Thoracoabdominal paralysis after walking in the brush

Answer

B. Borreliosis polyradiculitis.

Discussion

The circumferential truncal pain, inflammatory cerebrospinal fluid (CSF) features and regional paralysis are consistent with polyradiculitis. Western blot analysis of blood and CSF revealed Lyme borreliosis infection.

In the United States Lyme borreliosis is caused by the spirochete Borrelia burgdorferi that is transmitted by the attachment of an infected Ixodes tick.¹ Lyme neuroborreliosis occurs many days or several weeks after infection in 10–15% of untreated patients and may affect the