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Serial MRI in Fukuyama type congenital muscular dystrophy
Abstract:
Serial MRI of the brain of a female infant with Fukuyama type congenital muscular dystrophy (FCMD) is presented. Initial MRI revealed diffuse abnormal signal in the cerebral white matter extending peripherally. On follow-up studies, the abnormal signals disappeared or decreased from the posterior to anterior, and from central to peripheral. These changes in signal intensity correlate well with the process of myelination as demonstrated in histochemical studies. It appears that the abnormal signals in FCMD are caused by delayed myelination. When abnormal signal intensity is seen in the cerebral white matter of a developmentally delayed infant, serial MRI may be used to follow the course of the illness.
Insights
Serial brain MRIs in Fukuyama type congenital muscular dystrophy (FCMD) reveal delayed myelination. These white matter signal changes resolve over time, aiding in illness course monitoring for affected infants.
Area of Science:
- Neurology
- Pediatric Radiology
- Neuroimaging
Background:
- Fukuyama type congenital muscular dystrophy (FCMD) is a rare genetic disorder affecting muscle development.
- Brain MRI is crucial for diagnosing and monitoring neurological conditions in infants.
- Understanding white matter changes in FCMD is essential for prognosis.
Observation:
- Serial brain MRI scans were performed on an infant diagnosed with FCMD.
- Initial MRI showed diffuse abnormal signals in the cerebral white matter.
- Follow-up scans demonstrated signal resolution from posterior to anterior and central to peripheral.
Findings:
- The observed signal changes in the cerebral white matter correlate with myelination processes.
- Abnormal MRI signals in FCMD are attributed to delayed myelination.
- Histochemical studies support the correlation between MRI findings and myelination.
Implications:
- Serial MRI can track the progression of delayed myelination in FCMD.
- This imaging approach may help in managing developmentally delayed infants with white matter abnormalities.
- The findings contribute to the neuroimaging understanding of congenital muscular dystrophies.