PMC3518088_01
Otomicroscopic view of left tympanic membrane. The exofitic and vascular mass is seen in medial-superior part of the drum.
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fig1
It had pedicle in correspondence of malleus's manubrium (Figure 1).
Computed tomography scanning without means of contrast. A 3 mm soft tissue mass is localized in the superior part of ear drum in correspondence of malleus with no present signs of erosion. Middle ear cavity and the other ossicles appeared normal.
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fig2
A CT scan showed a round smooth mass (3 mm of diameter) external to the tympanic membrane (Figure 2).
Cavernous hemangioma, HE, 50x. Histologic image of the tumours consisting in a well-defined proliferation of dilated tortuous vascular structures, closely adhering to each other, filled by erythrocytes in the lumen. They varied in size and were delimited by a single layer of flat endothelial cells. Superficially, the lesion was lined by hyperkeratotic squamous epithelium.
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fig3
These features were consistent with a cavernous hemangioma (Figure 3).