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Age: 37

Sex: Female

Indication: Left eye pain and blurry vision

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Case #38


Findings

  • Enlarged intraorbital left optic nerve with T2/STIR hyperintensity, restricted diffusion, and marked enhancement
  • No evidence of acute intracranial infarct, hemorrhage, mass effect, or hydrocephalus
  • No significant white matter disease
  • Scattered mild polypoid mucosal thickening of the paranasal sinuses


Diagnosis

  • Optic neuritis

Sample Report

Findings consistent with left optic neuritis.

No acute intracranial abnormality or evidence of significant white matter disease.


Discussion

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Images

Optic neuritis: Expansion of the intraorbital left optic nerve with T2 hyperintensity (red arrow), diffuse enhancement (yellow arrow), and restricted diffusion (blue arrows). Pulsation artifact on the FLAIR sequence creating an intraventricular pseudolesion without correlate on other sequences (red arrows). Red oval indicates the approximate location of the area postrema, which is commonly involved in neuromyelitis optica.



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