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Figure 2 | BMC Oral Health

Figure 2

From: Mandibular Actinomyces osteomyelitis complicating florid cemento-osseous dysplasia: case report

Figure 2

Histopathological changes of Actinomyces osteomyelitis complicating florid cemento-osseous dysplasia (FCOD). (A) Excised mandibular bone revealed FCOD with irregular cementum droplets and rounded forms in a fibrovascular stroma (hematoxylin and eosin (H&E), magnification 200 ×). (B) Neutrophilic infiltrate (arrowheads) with adjacent necrotic bone (arrows) (H&E, magnification 400 ×). (C) Gram-positive filamentous organisms in marrow space (arrowheads) (Brown-Hopps stain). (D) Colonies of filamentous organisms in marrow (GMS).

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