PMC6689846_01
Coronal view of temporal CT showed complete opacification of the middle ear and mastoid indicating a soft tissue mass
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The temporal CT scan showed tissue filling the tympanic cavity as well as the mastoid antrum without bone lysis (Figure 1).
Magnetic resonance imaging (MRI) revealed a tissue process occupying the left middle ear in T1 isosignal
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T1 and T2 isosignal and taking the contrast medium (Figure 2, Figure 3, Figure 4). The patient had a closed technique tympanoplasty.
T1 MRI post-contrast demonstrating mild enhancement of the lesion in the left middle ear
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T1 and T2 isosignal and taking the contrast medium (Figure 2, Figure 3, Figure 4). The patient had a closed technique tympanoplasty.
Magnetic resonance imaging (MRI) revealed a tissue process occupying the left middle ear in T2 isosignal
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T1 and T2 isosignal and taking the contrast medium (Figure 2, Figure 3, Figure 4). The patient had a closed technique tympanoplasty.
Microscope image showing an inverted papilloma: papillomatous proliferation of the squamous epithelium with endophytic growth pattern (HE x 40)
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There were no signs of malignancy (Figure 5, Figure 6).
Microscopic view showing papillae and epithelial invaginations, sometimes covered by a transitional type epithelium sometimes of keratinized squamous type (HE x 100)
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There were no signs of malignancy (Figure 5, Figure 6).