Features

Architecture

• Scattered glomeruli
• Tubular cells in clusters

Cellular features

• Glomeruli
– globular tufts of capillaries
– epithelioid and spindle cells in the capillaries
– capillary loops seen on the outer edge
• Tubular cells
– small uniform cells
– granular cytoplasm

Nuclear features

• Tubular cells
– Nuclei round and uniform
– Chromatin bland
– Inconspicuous nucleoli

Background

• No necrosis
• No mitosis