Ancient Schwannoma of the Cauda Equina: Our Experience and Review of the Literature

Figure 1

(a) Sagittal and (b) axial preoperative contrast enhanced MRI scan. (c) Intraoperative image of the lesion at gross examination resembles an ordinary schwannoma. Note the “target” pattern in (a) and the finely heterogenous contrast enhancement in (b), consistent with the typical aspect of an ancient schwannoma.

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(b)

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