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Dengue encephalitis featuring "double-doughnut" sign - A case report

Anupama Pandeya1, Devansh Upadhyay1, Bikram Oli1

  • 1Maharajgunj Medical Campus, Tribhuvan University Institute of Medicine, Maharajgunj, 44600, Kathmandu, Nepal.

Annals of Medicine and Surgery (2012)
|June 23, 2022
PubMed
Summary

Dengue encephalitis, though uncommon, can present with unique brain MRI findings. The "double-doughnut" sign in thalamic and brainstem lesions may aid in diagnosing this rare neurological complication of dengue virus infection.

Keywords:
ADC, Apparent Diffusion CoefficientDWI, Diffusion-weighted imagingDengueDouble-doughnut signEncephalitisFLAIR, Fluid-attenuated inversion recoveryGRE, Gradient echo sequenceNS1, Nonstructural protein 1Neurological complications

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