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Germinoma Mimicking Brain Inflammation: A Case Report
Katarzyna Pierzchlewicz1, Małgorzata Bilska1, Elżbieta Jurkiewicz2
1Department of Neurology and Epileptology, Children's Memorial Health Institute, Warsaw, Poland.
Child Neurology Open
|July 2, 2019
Summary
This case study details a rare brain germinoma in a child presenting with neurological and behavioral symptoms. Diagnosis required a second biopsy due to initial inflammation, underscoring the importance of invasive procedures for complex pediatric brain tumors.
Area of Science:
- Neuro-oncology
- Pediatric Neurology
- Immunology
Background:
- Germinomas are rare pediatric brain tumors, often arising in the midline structures.
- Initial presentation can be varied, sometimes mimicking inflammatory or autoimmune conditions.
- Accurate diagnosis is crucial for appropriate treatment and improved outcomes.
Observation:
- A 10-year-old girl presented with visual decline, behavioral changes, and symptoms of diabetes insipidus.
- Initial MRI showed T2 hyperintensities in the corpus callosum, anterior commissure, and caudate nuclei.
- First brain biopsy revealed significant macrophage infiltration, leading to a trial of immunosuppressive therapy without success.
Findings:
- A subsequent brain biopsy confirmed the presence of germinoma cells.
- The patient's condition progressed to quadriparesis, sleep disturbances, and dementia.
- Despite chemotherapy, the patient succumbed to disseminated intravascular coagulation syndrome.
Implications:
- This case highlights an unusual presentation of germinoma with significant inflammation, challenging initial diagnosis.
- It emphasizes the critical role of brain biopsy in diagnosing complex pediatric central nervous system lesions.
- The findings underscore the need for a high index of suspicion for underlying neoplasms even in the presence of inflammatory markers.
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