FIG 3. Microscopic specimens from left JFM obtained in a 48-year-old woman (patient 7, same patient as Figure 2; hematoxylin-eosin; original magnification x 20).

A, Histologic examination of intracranial component of JFM shows densely packed tumor cells with sparse interstitial collagen bundles.

B, Histologic examination of extracranial component shows isolated tumor cells surrounded by matrix rich in collagen fibers.