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Published on: November 21, 2018
Medulloblastoma in a child with the metabolic disease L-2-hydroxyglutaric aciduria
Pinar Akdemir Ozişik1, Nejat Akalan, Selçuk Palaoğlu
1Department of Neurosurgery, Pediatric Neurology Unit, Hacettepe University School of Medicine, Ankara, Turkey. kozisik@hotmail.com
Insights
L-2-Hydroxyglutaric aciduria (LHGA), a rare neurodegenerative disorder, co-occurred with medulloblastoma in a young child. This case highlights challenges in diagnosing and treating brain tumors in neurologically impaired pediatric patients.
Area of Science:
- Biochemistry
- Pediatric Neurology
- Oncology
Background:
- L-2-Hydroxyglutaric aciduria (LHGA) is a rare, autosomal recessive neurodegenerative disorder presenting in infancy with psychomotor retardation and ataxia.
- Medulloblastomas are common pediatric solid tumors, frequently occurring in infancy and childhood.
Observation:
- A 3-year-old boy with diagnosed LHGA developed a medulloblastoma.
- This represents the first reported case of medulloblastoma coexisting with LHGA.
Findings:
- The coexistence of central nervous system tumors with other metabolic neurodegenerative disorders is noted.
- The study focuses on the diagnostic and therapeutic complexities of intracranial tumors in children with pre-existing neurological impairment from metabolic disorders.
Implications:
- This case underscores the importance of considering oncological comorbidities in rare metabolic neurodegenerative diseases.
- It highlights the diagnostic and therapeutic challenges in managing complex pediatric cases with combined neurological and oncological conditions.
Abstract:
L-2-Hydroxyglutaric aciduria (LHGA) is a rare autosomal recessively inherited neurodegenerative disorder. It is characterized by psychomotor retardation, progressive ataxia and typical magnetic resonance imaging findings, and presents in early infancy. On the other hand, medulloblastomas are very common solid tumors of childhood and infancy. We present a 3-year-old boy with LHGA who developed a medulloblastoma during the course of the disease. There has been no previous report of the coexistence of medulloblastomas with LHGA. Central nervous system tumors are encountered in children with other metabolic neurodegenerative disorders. The aim of this paper is to focus on the difficulties in the diagnosis and treatment of an intracranial tumor in a child already neurologically impaired due to metabolic neurodegenerative disease.
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