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Posterior fossa hemorrhage after supratentorial surgery
H J Cloft1, J A Matsumoto, G Lanzino
1Department of Radiology, University of Virginia Health Sciences Center, Charlottesville 22908, USA.
AJNR. American Journal of Neuroradiology
|September 20, 1997
Summary
Posterior fossa hemorrhage after supratentorial surgery is a potentially benign finding. Imaging can help differentiate this from other causes like hypertension or vascular malformations.
Area of Science:
- Neurosurgery
- Neuroradiology
- Cerebellar Hemorrhage
Background:
- Hemorrhage in the posterior fossa after supratentorial surgery can be concerning.
- Differentiating surgical sequelae from other pathologies is crucial for patient management.
Purpose of the Study:
- To evaluate imaging findings of cerebellar hemorrhage post-supratentorial surgery.
- To investigate the pathogenesis and frequency of this specific type of hemorrhage.
- To distinguish it from other potential causes.
Main Methods:
- Retrospective review of 13 patients with posterior fossa hemorrhage after supratentorial surgery over 5 years.
- Analysis of postoperative CT and MRI scans.
- Review of medical records, including preoperative and postoperative imaging.
Main Results:
- Hemorrhages were consistently located along the superior cerebellum.
- No patients presented with coagulopathy, tumors, or vascular malformations.
- Hemorrhage frequency after aneurysmal surgery was 3.5%; no neurologic deficits occurred.
Conclusions:
- Cerebellar hemorrhage post-surgery is likely a benign complication.
- It should not be mistaken for hypertension, aneurysm, or unrecognized neoplasms.
- Imaging findings are key to accurate diagnosis and management.