Figure 2
From: Benign mixed epithelial stromal tumor of the renal pelvis with exophytic growth: case report
A. The scanner view (×25): B. High power picture (×100) Biphasic tumor with epithelial and stromal component. Stroma: Collagenized areas containing bundles of spindle cells. Epithelial component: Several 'microcysts' lined by cuboidal epithelium.