PMC3162847_01
CT imaging of the maxillofacial region shows a heterogeneous mass over the left side of the nasal dorsum and frontal process of the left maxilla
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F1
The lesion contained areas of amorphous calcifications and ossifications [Figure 1].
Photomicrograph showing acellular eosinophilic material arranged as nodules with ossifi cation (H and E, 20x)
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F2
Histopathological examination revealed a well-circumscribed neoplasm, predominantly made up of acellular eosinophilic material, arranged as nodules, with extensive calcification and ossification [Figure 2, Figure 3].
Photomicrograph showing acellular eosinophilic material arranged as nodules with extensive calcifi cation (H and E, 20x)
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F3
Histopathological examination revealed a well-circumscribed neoplasm, predominantly made up of acellular eosinophilic material, arranged as nodules, with extensive calcification and ossification [Figure 2, Figure 3].
Photomicrograph showing osteoclast type of giant cells admixed with acellular material (H and E, 20x)
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F4
Increased number of osteoclast type of giant cells was noted admixed with the acellular material [Figure 4].
Photomicrograph showing cords of squamoid cells with nuclear pleomorphism (H and E, 20x)
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F5
Occasionally individual and cords of squamoid cells were seen with nuclear pleomorphism [Figure 5, Figure 6].
Photomicrograph showing cords of squamoid cells with nuclear pleomorphism and acellular material (H and E, 40x)
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F6
Occasionally individual and cords of squamoid cells were seen with nuclear pleomorphism [Figure 5, Figure 6].
Photomicrograph showing acellular material arranged as nodules (Congo red, 20x)
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F7
Congo red stained the acellular material, confirming the amyloid nature [Figure 7].