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A 37-year-old man presented with sudden onset of dysarthria. He had a history of colorectal cancer. On examination, his tongue deviated to the right on protrusion (figure 1) but his face, jaw, neck and limb muscles were normal.
An MR scan of brain (FLAIR sequence) showed a high signal intensity area in the left precentral gyrus with restricted diffusion (figure 2). There was no contrast enhancement. Two weeks …
Contributors PMRC: Conception and design; drafting the article; article review. PSG: Conception and design; drafting the article; article review. AGP: critical review; final approval of the version to be published; guarantor.
Competing interests None.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed. This paper was reviewed by Tom Hughes, Cardiff, UK.