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Familial infantile olivopontocerebellar atrophy
E V Bawle1, W J Kupsky, C J D'Amato
1Department of Pediatrics, Children's Hospital of Michigan, Detroit 48201, USA.
Insights
Infantile olivopontocerebellar atrophy is a rare, fatal neurological disorder. This study details two brothers with this condition, highlighting key clinical and pathological findings.
Area of Science:
- Neurology
- Pediatrics
- Genetics
Background:
- Infantile olivopontocerebellar atrophies (IOPCA) are rare, progressive, and fatal neurodegenerative disorders.
- Pathologically, IOPCA involves neuronal loss and gliosis in the cerebellum, pons, and inferior olivary nuclei.
- Early diagnosis and understanding of IOPCA are crucial for potential interventions.
Observation:
- Presents the clinical and pathological features of two brothers with infantile-onset neurodegeneration.
- Symptoms included failure to thrive and rapid neurological deterioration, leading to death by five months of age.
- Brain MRI revealed progressive pontocerebellar atrophy in one sibling.
Findings:
- Postmortem examination confirmed identical patterns of neuronal loss consistent with olivopontocerebellar atrophy in both siblings.
- Both patients exhibited serum biochemical abnormalities: low thyroid binding globulin, hypoalbuminemia, and low cholesterol.
- These biochemical findings suggest a possible link to carbohydrate-deficient glycoprotein syndrome.
Implications:
- This case report contributes to the understanding of rare infantile neurodegenerative disorders.
- The identified biochemical abnormalities may aid in diagnosing similar conditions.
- Further research into the genetic and molecular underpinnings of IOPCA is warranted.
Abstract:
Infantile olivopontocerebellar atrophies are rare progressive, fatal, neurologic conditions characterized pathologically by loss of neurons and gliosis in the cerebellum, pons, and inferior olivary nuclei in early life. The clinical and pathologic features of 2 brothers who presented in early infancy with failure to thrive and neurologic deterioration leading to death by the age of 5 months are reported. Magnetic resonance imaging of the brain of Patient 1 disclosed progressive pontocerebellar atrophy. Both siblings had identical patterns of neuronal loss consistent with olivopontocerebellar atrophy at postmortem examination. Serum biochemical abnormalities of low thyroid binding globulin, hypoalbuminemia, and low cholesterol, suggestive of the carbohydrate-deficient glycoprotein syndrome, were also present in both patients.