Table 1.
Experience with use of extended retrosigmoid craniotomy for neoplastic lesions in the posterior fossa
| Location of tumor | Pathology | Lumbar drain | Complication related to exposure | Extent of resection |
|---|---|---|---|---|
| CPA/petroclival region | Meningioma | Yes | None | Simpson I |
| CPA | Meningioma | Yes | None | Simpson I |
| CPA | Meningioma | Yes | None | Simpson I |
| CPA | Meningioma | Yes | None | Simpson I |
| CPA | Meningioma | Yes | None | Simpson I |
| CPA | Schwannoma | Yes | Sigmoid sinus thrombosis | Gross total |
| CPA/petroclival region | Schwannoma | Yes | None | Gross total |
| CPA | Schwannoma | Yes | None | Gross total |
| CPA/prepontine | Epidermoid | Yes | None | Gross total |
| CPA | Metastasis (dural based) | Yes | None | Gross total |
| Jugular foramen | Glomus jugulare | Yes | None | Gross total |
| CPA | Metastatic adenocarcinoma | No | None | Gross total |
| Cerebellar hemisphere | Metastatic adenocarcinoma | No | None | Gross total |
| Cerebellar hemisphere | Metastatic adenocarcinoma | No | None | Gross total |
| Cerebellar hemisphere | Metastatic adenocarcinoma | No | None | Gross total |