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Cerebellar hemorrhage complicating isovaleric acidemia: a case report
Neurology
|June 1, 1981
Summary
Isovaleric acidemia (IVA), a leucine metabolism disorder, causes isovaleric acid buildup. Neuropathologic findings in an infant included cerebral edema, cerebellar hemorrhage, and glial cell degeneration, which are novel observations for IVA.
Area of Science:
- Biochemistry
- Neuropathology
- Metabolic Disorders
Background:
- Isovaleric acidemia (IVA) is an inherited metabolic disorder affecting leucine breakdown.
- It leads to the accumulation of toxic isovaleric acid in bodily fluids.
Observation:
- Neuropathologic examination of an 11-day-old infant with IVA revealed significant brain abnormalities.
- These included diffuse cerebral edema, massive cerebellar hemorrhage, and upward transtentorial herniation.
Findings:
- Focal degeneration of glial cell clusters was observed in both white and gray matter.
- These specific neuropathologic findings, including glial degeneration and hemorrhage, have not been previously reported in IVA.
Implications:
- This case highlights unique neuropathologic consequences of isovaleric acidemia.
- Understanding these findings is crucial for diagnosing and managing IVA, potentially informing future research into metabolic encephalopathies.