PMC5832672_01
CT ear scan with coronal, sagittal and 3D reconstructions, with red circles pointing the location and the extension of the neoformation.
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PMC5832672_01_gr1.jpg
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A CT ear scan without contrast enhancement was carried out (October 2015), with coronal, sagittal and 3D reconstructions (Fig. 1).
Histologic preparation: Fusiform cellular elements, eosinophilic cytoplasm. Note the mature irregularly shaped trabecular bone, mainly on the periphery of the lesion.
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There were absence of mitosis and areas of necrosis(Fig. 2).