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Falcotentorial meningioma accompanied by temporal lobe hematoma
1Department of Neurosurgery, Hiroshima University School of Medicine, Japan. ohba@hiroshima-u.ac.jp
Hiroshima Journal of Medical Sciences
|November 27, 2001
Summary
A falcotentorial meningioma caused a temporal lobe hematoma in a healthy woman. Tumor compression led to venous congestion, considered a likely cause of the hemorrhage.
Area of Science:
- Neuro-oncology
- Vascular Neurology
Background:
- Falcotentorial meningiomas are rare tumors.
- Temporal lobe hematomas can present with neurological deficits.
Observation:
- A 51-year-old female presented with acute consciousness disturbance and hemiparesis.
- CT revealed a large temporal lobe hematoma and a pineal region tumor.
- Angiography showed venous sinus occlusion and altered venous drainage near the hematoma.
Findings:
- A fibrous meningioma was diagnosed after subtotal resection.
- The tumor's location suggested potential venous compression.
- No direct vascular malformation or parenchymal abnormality caused the hemorrhage.
Implications:
- Meningiomas can cause secondary intracranial hemorrhage through venous congestion.
- This case highlights the importance of considering tumor-induced venous compromise in unexplained hemorrhages.
- Surgical management of the meningioma may alleviate venous hypertension.