Research Article

Pediatric Multiple Sclerosis in Tunisia: A Retrospective Study over 11 Years

Table 2

CSF analysis and neuroimaging findings in our series.

CSF analysis
(at onset)
Repeat CSF analysisBrain and spinal MRINeurophysiological studies

Patient 1Positive OCBPeriventricular, subcortical hyperintense lesions on T2 and FLAIR weighted images with right thalamus and pontine involvement and gadolinium enhancementNormal VEP

Patient 2Positive OCB, increased protein levelBrainstem, cerebellar, and insular subcortical hyperintense lesions on T2 and FLAIR weighted images without gadolinium enhancementOptic neuritis

Patient 3NormalPositive OCBPeriventricular, subcortical hyperintense lesions on T2 and FLAIR weighted images with brainstem and cerebellar involvementOptic neuritis

Patient 4Negative OCB, increased protein levelPositive OCBSubcortical hyperintense lesions on T2 and FLAIR weighted images with basal ganglia, brainstem, and posterior cordonal involvementOptic neuritis

Patient 5Positive OCB, increased protein levelPeriventricular and subcortical hyperintense lesions on T2 and FLAIR weighted images with internal capsule, corpus callosum, thalamic, brainstem, and cerebellar peduncle involvement, extensive posterior spinal abnormalities, and gadolinium enhancement (Figure 1)Optic neuritis, altered BAEP and SEP

Patient 6NormalPositive OCBPeriventricular and subcortical hyperintense lesions on T2 and FLAIR weighted images with brainstem and cervical involvement without gadolinium enhancementAltered BAEP

Patient 7Negative OCB, increased protein levelNormalPeriventricular hyperintense lesions on T2 and FLAIR weighted images with “onion bulb” appearance of one lesion and gadolinium enhancementAltered BAEP

Patient 8NormalPositive OCBPeriventricular and semiovale center hyperintense lesions on T2 and FLAIR weighted images with internal capsule involvementAltered SEP

Patient 9Negative OCB, increased protein levelPositive OCBSubcortical hyperintense lesions on T2 and FLAIR weighted images with cervical involvement and gadolinium enhancementAltered SEP

Patient 10Positive OCBPeriventricular, subcortical, semiovale center hyperintense lesions on T2 and FLAIR weighted images with corpus callosum, peduncular, pontine, and cerebellar involvement and cervical and dorsal abnormalitiesNot performed

Patient 11Increased cell countNormalPeriventricular, subcortical, semiovale center hyperintense lesions on T2 and FLAIR weighted images with corpus callosum and cerebellar peduncles involvement and gadolinium enhancementNormal VEP

Patient 12NormalPositive OCBCorpus callosum hyperintense lesions on T2 and FLAIR weighted images with cerebellar and brainstem involvement and cervical abnormalities with gadolinium enhancementOptic neuritis

Patient 13Increased cell countNormalPeriventricular hyperintense lesions on T2 and FLAIR weighted images with cervical involvementOptic neuritis

Patient 14Positive OCB, increased protein level and cell countPositive OCB with normal cell countPeriventricular hyperintense lesions on T2 and FLAIR weighted images with cervical involvement and gadolinium enhancementOptic neuritis, altered SEP

Patient 15Increased cell count Positive OCB with normal cell countPeriventricular hyperintense lesions on T2 and FLAIR weighted imagesNormal VEP

Patient 16NormalPositive OCBPeriventricular hyperintense lesions on T2 and FLAIR weighted images with cerebellar and brainstem involvementNot performed

Patient 17NormalPositive OCBPeriventricular hyperintense lesions on T2 and FLAIR weighted images with cervical involvementOptic neuritis, altered SEP

Patient 18Positive OCBPeriventricular and semiovale center hyperintense lesions on T2 and FLAIR weighted images with corpus callosum, brainstem, and cerebellar involvementOptic neuritis, altered SEP

Patient 19Positive OCB,
increased protein level and cell count
Positive OCB with normal cell countPeriventricular hyperintense lesions on T2 and FLAIR weighted images with brainstem involvementBilateral optic neuritis

Patient 20Not performedPeriventricular hyperintense lesions on T2 and FLAIR weighted images with “onion bulb” aspect of some lesionsOptic neuritis, altered SEP

Patient 21Positive OCB and increased protein levelSubcortical hyperintense lesions on T2 and FLAIR weighted images with cerebellar, cervical, and dorsal involvementAltered SEP

OCB: oligoclonal bands; BAEP: brain auditory evoked potentials; SEP: sensory evoked potentials; VEP: visual evoked potentials.