From the case: Arachnoiditis

Axial T2
Modality: MRI (T2)

- “ Arachnoiditis is an important feature to seek in all spines, particularly those with a prior history of surgery or infection.  ”

Used in the following article:

  • Empty thecal sac sign - “ The empty thecal sac sign or empty sac sign is when the thecal sac appears empty on MRI of the lumbar spine, best seen on T2-weighted images. If t...”
  • Arachnoiditis - “ Arachnoiditis is a broad term encompassing inflammation of the meninges and subarachnoid space. Terminology Arachnoiditis affecting the cauda eq...”

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