Structural and Perfusion Abnormalities of Brain on MRI and Technetium-99m-ECD SPECT in Children With Cerebral Palsy:
Kamer Singh Rana1, Varun Narwal2, Lokesh Chauhan3
1Department of Pediatrics, Military Hospital, Jabalpur, India.
Insights
This study reveals that most children with cerebral palsy (CP) have white matter changes on MRI and perfusion deficits on SPECT scans. These findings highlight structural and blood flow abnormalities in pediatric CP, often linked to birth asphyxia.
Area of Science:
- Neurology
- Pediatrics
- Radiology
Background:
- Cerebral palsy (CP) is traditionally linked to hypoxic ischemic brain damage.
- Understanding the underlying structural and perfusion abnormalities is crucial for diagnosis and management.
Purpose of the Study:
- To demonstrate structural and perfusion brain abnormalities in children with cerebral palsy.
- To correlate imaging findings with clinical diagnosis and etiology.
Main Methods:
- Fifty-six children (1-14 years) clinically diagnosed with CP underwent 3 Tesla MRI and Technetium-99m-ECD SPECT scans.
- Data analysis included assessment of white matter changes, perfusion deficits, and etiological factors like birth asphyxia.
Main Results:
- Spastic CP was the most common type (91%), with birth asphyxia as the leading cause (69.6%).
- MRI revealed white matter changes (73.2%), including periventricular leukomalacia and corpus callosal thinning.
- SPECT scans showed perfusion impairments in most cases, with MRI excelling in white matter detection and SPECT in cortical/subcortical gray matter perfusion abnormalities.
Conclusions:
- Cerebral palsy in children is associated with significant structural (white matter) and perfusion abnormalities.
- Combined MRI and SPECT imaging provide comprehensive insights into CP pathophysiology.
- Early identification of these abnormalities aids in understanding CP and guiding potential interventions.
Abstract:
Cerebral palsy has traditionally been associated with hypoxic ischemic brain damage. This study was undertaken to demonstrate structural and perfusion brain abnormalities. Fifty-six children diagnosed clinically as having cerebral palsy were studied between 1 to 14 years of age and were subjected to 3 Tesla magnetic resonance imaging (MRI). Brain and Technetium-99m-ECD brain single-photon emission computed tomography (SPECT) scan. Male to female ratio was 1.8:1 with a mean age of 4.16 ± 2.274 years. Spastic cerebral palsy was the most common type, observed in 91%. Birth asphyxia was the most common etiology (69.6%). White matter changes (73.2%) such as periventricular leukomalacia and corpus callosal thinning were the most common findings on MRI. On SPECT all cases except one revealed perfusion impairments in different regions of brain. MRI is more sensitive in detecting white matter changes, whereas SPECT is better in detecting cortical and subcortical gray matter abnormalities of perfusion.
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