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Abnormalities recorded in magnetic resonance imaging brain scans of cats i.c. inoculated with CWD. (A to D) CWD+ inoculated cats; (E) CWD-negative inoculated cat. White arrows indicate abnormalities. (A) Inflammatory lesions; (B) focal dilation of the olfactory extension/horn; (C) distended lateral ventricle; (D) focal cavitation. Panel E demonstrates the lack of abnormalities in an age-matched cat i.c. inoculated with CWD-naïve deer obex.
