Introduction: While children of all ages may be affected by Guillain-Barre-Syndrome (GBS), there are no reports of Dengue Fever (DF) as the preceding or concurrent infection in this age group. In addition, the presence of anti-GM1 IgM antibody, commonly seen in Multifocal Motor Neuropathy, is rarely encountered in both axonal and demyelinating variants of GBS. Moreover, only few neuromuscular ultrasound findings of the axonal variant in children were reported in the literature.
Case: Here we present a nine-year-old female who developed the classic signs, symptoms and neurophysiologic findings of axonal type of GBS during DF. She had elevated anti-GM1 IgM antibody atypical of this variant and diffusely enlarged nerves via neuromuscular ultrasound.
Conclusion: In a pediatric patient with DF and acute flaccid paralysis, GBS should always be one of the considerations. Although rare, anti-ganglioside GM1 IgM antibody can still be found in axonal variant of GBS.
Keywords: Anti-GM1 IgM antibody; Axonal variant of Guillain Barre syndrome; Dengue fever; Neuromuscular ultrasound; Pediatric patient.
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