FIGURES AND TABLES
FROM:
Odontogenic Cysts, Odontogenic Tumors, Fibroosseous, and Giant Cell Lesions of the Jaws
Joseph A Regezi
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FIGURE 2.
Left,odontogenic keratocyst showing thin parakeratinized lining with basal palisading. Separation of epithelium from connective tissue wall is often seen in surgical specimens. Right, orthokeratinized odontogenic cyst showing granular layer and in undistinguished basal layer.
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FIGURE 3.
Calcifying odontogenic cyst featuring ghost cell keratinization with dystrophic calcification and palisaded basal layer.
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FIGURE 4.
Glandular odontogenic cyst represented by a focal thickening in which there is mucin production and small pseudoglandular spaces.
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FIGURE 5.
Desmoplastic ameloblastoma showing compressed odontogenic epithelial nests in a desmoplastic stroma.
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FIGURE 6.
Computed tomography scan of a cystic ameloblastoma of the mandible showing cortical penetration.
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FIGURE 7.
Recurrent cystic ameloblastoma. This completely cystic lesion was lined by edematous epithelium with palisaded basal cells.
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FIGURE 8.
Ameloblastic carcinoma. Left, initial lesion in which numerous mitotic figures were found with moderate nuclear atypia. Right, same tumor, now dedifferentiated, after 6 years, several recurrences, and extension to the base of the skull.
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FIGURE 9.
Calcifying epithelial odontogenic tumor. Left, sheet of atypical epithelial cells; right, amyloid droplets with dystrophic calcification in epithelial field.
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FIGURE 10.
Squamous odontogenic tumor exhibiting characteristic bland epithelial islands in a fibrous stroma.
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FIGURE 12.
Left, odontogenic myxoma. Right, myxoid follicular sac with odontogenic rests. Fragments of reduced enamel epithelium at far right.
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FIGURE 13.
Left, odontogenic fibroma of the mandible containing odontogenic rests. Right, desmoplastic fibroma of the mandible composed of evenly distributed and benign fibroblasts in a collagenous stroma.
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FIGURE 14.
Two ossifying fibromas of the mandible showing cellular stromas with trabecular (left) and droplet or psammomatoid (right) bone.
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FIGURE 15.
Fibrous dysplasia of the jaw showing fibrillar bony trabecular bone that is supposed to be characteristic of this condition.
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FIGURE 16.
Florid osseous dysplasia of the entire body mandible. A mixed lucent and opaque pattern is evident in this case.
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FIGURE 17.
Heterogeneous pattern of florid osseous dysplasia. The appearance is fibroosseous, with both immature and mature bone present.
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FIGURE 18.
Two central giant cell granulomas. Left, the usual heterogeneous low-power appearance of the lesions. Right, giant cells can occasionally be relatively large, evenly distributed, and contain many nuclei.
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