Longitudinally extensive spinal cord lesion

Longitudinally extensive spinal cord lesions (LESCL), also known as longitudinally extensive transverse myelitis (LETM), represent extensive involvement of the spinal cord, with abnormal T2 signal traversing at least three vertebral body segments in length.

Differential diagnosis

They are typical of neuromyelitis optica (NMO) but can be seen in a number of other conditions, including 1-3:

Share article

Article information

rID: 26463
Section: Gamuts
Synonyms or Alternate Spellings:
  • Longitudinaly extensive spinal cord lesion (LESCL)
  • Longitudinal extensive transverse myelitis
  • LETM

Support Radiopaedia and see fewer ads

Cases and figures

  • Drag
    Case 1: NMO
    Drag here to reorder.
  • Drag
    Case 2: neurosarcoidosis
    Drag here to reorder.
  • Drag
    Case 3: neuromyelitis optica
    Drag here to reorder.
  • Drag
    Case 4: systemic lupus erythematosus
    Drag here to reorder.
  • Updating… Please wait.

    Alert accept

    Error Unable to process the form. Check for errors and try again.

    Alert accept Thank you for updating your details.