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Possible additional MRI markers for critical brain swelling with increased intracranial pressure in children?
Thierry Agm Huisman1, Misun Hwang2, Gunes Orman1
1Edward B Singleton Department of Radiology, Texas Children's Hospital and Baylor College of Medicine, USA.
Insights
Orbital fat swelling and T2-hypointensity may indicate severe brain swelling and increased intracranial pressure in children. This preliminary finding suggests a potential new imaging marker for critical neurological conditions.
Area of Science:
- Pediatric Radiology
- Neuroimaging
- Ophthalmology
Background:
- Severe global brain swelling and cessation of cerebral perfusion are critical conditions in children.
- Identifying reliable imaging markers for these conditions is crucial for timely diagnosis and management.
Purpose of the Study:
- To evaluate the imaging characteristics of orbital fat in children with severe global brain swelling.
- To determine if orbital fat changes can serve as a marker for increased intracranial pressure.
Main Methods:
- A retrospective study analyzed MRI scans of five children with confirmed severe global brain swelling and cessation of cerebral perfusion.
- Orbital fat volume and T2/T1 signal intensity were assessed.
Main Results:
- All five children showed an increase in orbital fat volume.
- Four out of five children exhibited heterogeneous T2-hypointensity of the orbital fat.
Conclusions:
- Orbital fat swelling and T2-hypointensity appear to be potential imaging indicators in pediatric cases of severe global brain swelling.
- These findings suggest orbital fat changes may be a novel marker for increased intracranial pressure.
Abstract:
A retrospective study was performed evaluating the volume and T2/T1 signal intensity of orbital fat in five children diagnosed with severe global brain swelling and confirmed cessation of cerebral perfusion. Imaging showed a volume increase (five of five) and a heterogeneous T2-hypointensity of orbital fat (four of five). This preliminary study suggests that swelling and T2-hypointensity of orbital fat may be a marker of global brain swelling and/or increased intracranial pressure.
