Grafting with Bone Substitute Materials in Therapy-Resistant Periapical Actinomycosis

Figure 3

Pathological images: (a) granulation tissue (100× magnification); (b) showing in greater magnification (400×) collections of plasma cells, polymorphonuclear leukocytes, a few Russell bodies (which are marked with the arrow), and areas of erythrocyte extravasation; (c) club-shaped filaments in a radiating pattern demonstrating actinomycotic colonies (100× magnification).

(a)

(b)

(c)