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Live-3D-Cell Immunocytochemistry Assays of Pediatric Diffuse Midline Glioma
Published on: November 11, 2021
Primary cerebral fibrosarcoma in a child
1Pathology Department, Hospital General del Sur, Maracaibo, Zulia, Venezuela.
Insights
This case report details an extremely rare pediatric brain fibrosarcoma. Diagnosis relies on characteristic histology and immunohistochemistry to rule out other central nervous system tumors.
Area of Science:
- Pediatric Oncology
- Neuropathology
- Neurosurgery
Background:
- Primary cerebral fibrosarcomas are exceptionally rare pediatric central nervous system (CNS) tumors.
- Fewer than 50 cases have been documented in medical literature.
Observation:
- A 6-year-old boy presented with acute neurological symptoms including headache, drowsiness, vomiting, and seizures.
- Autopsy revealed a large left frontoparietal mass with fibrosarcoma characteristics.
- Immunohistochemical and ultrastructural studies excluded other differential diagnoses like meningiomas or glial/neuronal neoplasms.
Findings:
- The tumor exhibited a predominant herringbone architectural pattern, characteristic of fibrosarcoma.
- Immunohistochemistry was crucial for excluding other central nervous system (CNS) neoplasms.
- No evidence of systemic spread or other central nervous system (CNS) involvement was found.
Implications:
- This case underscores the rarity of pediatric brain fibrosarcomas.
- Accurate diagnosis requires careful histopathological examination and immunohistochemical analysis.
- Understanding rare pediatric brain tumors is vital for improving diagnostic and treatment strategies.
Objective:
To describe the case of a primary cerebral fibrosarcoma in a child.
Clinical Case:
A 6-year-old boy presented with a history of headache, drowsiness, vomiting and seizures. He was referred to our institution and died shortly upon arrival to the ER. The autopsy revealed a large left frontoparietal mass with histopathologic features characteristic of fibrosarcoma. Immunohistochemical and ultrastructural studies allowed the exclusion of other mimickers such as meningiomas, and neoplasms of glial or neuronal origin. No other growths were found in the CNS or in other parts of the body.
Conclusions:
Brain fibrosarcoma is an exceedingly uncommon tumor. Only 41 cases have been reported to date. The diagnosis of fibrosarcoma must be based on the identification of a predominant herringbone architectural pattern, and immunohistochemical features, although the latter are of limited diagnostic value, its importance being that they facilitate the exclusion of other entities considered in the differential diagnosis.
