Practical Reviews

How Common Are UBOs on Brain MRIs in Children With NF1?

Unidentified Bright Objects on Brain MRI in Children as a Diagnostic Criterion for Neurofibromatosis Type 1. Lopes Ferraz Filho JR, Munis MP, et al: Pediatr Radiol; 2008; 38 (March): 305-310 Background: Unidentified bright objects (UBOs) are defined as areas of increased T2 signal intensity without mass effect or contrast enhancement most commonly found in the cerebellum, brainstem, and basal ganglia. UBOs are present in 43% to 93% of children with neurofibromatosis type 1 (NF1). O more...
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