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Gliosarcoma associated with a huge cyst--case report.

M Kurosaki¹, S Taniura, S Tanaka

¹Division of Neurosurgery, Tottori University School of Medicine.

Neurologia Medico-Chirurgica

|December 8, 2000

Summary

This case highlights a rare cystic gliosarcoma, a brain tumor difficult to diagnose preoperatively due to imaging resembling low-grade gliomas. Early surgical intervention and adjuvant therapy are crucial for managing this aggressive tumor.

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Area of Science:

Neuro-oncology
Surgical Pathology

Background:

Gliosarcoma is a rare and aggressive primary brain tumor, a variant of glioblastoma, characterized by both glial and sarcomatous components.
Large cystic components are uncommon in gliosarcoma, making preoperative diagnosis challenging.

Observation:

A 55-year-old female presented with neurological deficits suggestive of a large brain mass.
Imaging revealed a large cystic lesion with an enhancing mural nodule in the right frontal lobe.
Histopathological examination confirmed gliosarcoma following surgical resection.

Findings:

The tumor exhibited significant cystic degeneration, mimicking cystic low-grade gliomas on initial neuroradiological assessment.
Recurrence necessitated a second surgery, followed by adjuvant radiation therapy and chemotherapy.

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Complete resection and multimodal treatment were performed for tumor regrowth.

Implications:

This case underscores the importance of considering gliosarcoma in the differential diagnosis of large cystic brain tumors, especially when imaging is atypical.
Aggressive surgical management combined with adjuvant therapies is essential for improving outcomes in patients with cystic gliosarcoma.
Further research into the specific radiological features and optimal treatment strategies for cystic gliosarcoma is warranted.