Cerebellar infarcts

Case contributed by Dr Yair Glick


Clinical picture of cerebellar dysfunction.

Patient Data

Age: 60 years

Left cerebellar infarcts in the PICA and SCA territories, appearing subacute.
Left vertebral artery occluded at its origin (not shown).

Annotated image

The reporting radiologist had the impression of a rooster in the left PICA infarct and another one in the left SCA infarct.

Case Discussion

Pareidolia, the recognition of familiar forms in natural phenomena (e.g. cloud formations, tea leaves) or while interpreting radiological exams, is a well-known phenomenon - see the Rorschach radiology article for many more examples.

The word "pareidolia" derives from the concatenation of the Greek words παρά ("beside") + εἴδωλον ("form, shape").

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