Revision 16 for 'Longitudinally extensive spinal cord lesion'

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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:

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