Figure 4.

Cylindroma pattern. Nests of basaloid cells in a "jigsaw" puzzle pattern surrounded by a thick hyaline membrane. Tendency for palisading of epithelial darker cells at the periphery.

Cylindroma pattern. Nests of basaloid cells in a "jigsaw" puzzle pattern surrounded by a thick hyaline membrane. Tendency for palisading of epithelial darker cells at the periphery.