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Histiocytic lesion mimicking intrinsic brainstem neoplasm. Case report
K D Weaver1, D Armao, J M Wiley
1Division of Neurosurgery, University of North Carolina-Chapel Hill School of Medicine, 27599-7060, USA.
Journal of Neurosurgery
|December 10, 1999
Summary
A rare histiocytic lesion, not a glioma, caused progressive bulbar palsy in a child. Steroid treatment led to lesion resolution, highlighting the need to consider non-glioma diagnoses for brainstem masses.
Area of Science:
- Pediatric Neurology
- Neuro-oncology
- Histiocytosis
Background:
- Brainstem tumors in children often raise concerns for glioma.
- Discrete brainstem lesions require a broad differential diagnosis.
Observation:
- A 10-year-old girl presented with progressive bulbar palsy and a fourth ventricle floor mass.
- Initial imaging suggested neoplasia, prompting subtotal resection.
Findings:
- Pathology revealed a histiocytic lesion, excluding glioma.
- The patient responded well to steroid treatment, with prolonged lesion resolution.
Implications:
- This case underscores the importance of considering non-glioma entities in pediatric brainstem lesions.
- Biopsy is crucial for accurate diagnosis and appropriate treatment of discrete brainstem masses.