Table 2.

Microscopic similarities and dissimilarities among fibro-osseous lesions

Fibrous element variations

Homogeneous plump monomorphic fibroblasts, hypercellularity, thin collagen fibers

Mature, hypocellular

Fasiculated, Storiform

Ossification (trabeculation) variations

Metaplastic woven bone

“Chinese/Hebrew” figure trabeculae

Lamellar bone trabeculae

Osteoblastic rimming

Mosaic resting/reversal lines

Trabecular paralleling

Cemental woven

Cemental microlamellar

Sharpey fiber fringe

Droplet (psammomatoid)

Curvilinear conglomerates (“Ginger root”)