Middle Ear Ceruminous Gland Adenoma Obstructing the Eustachian Tube Orifice

Figure 2

(a) A nonencapsulated, polypoid, pinkish mass (black arrow) and gray-colored mass with fibrotic consistency (white arrow) were seen in the anterior part of the tympanic cavity. Black arrow heads, malleus handle; blue arrow, tympanomeatal flap. (b) Tubular tumor cell structures with intervening bands of tumor stroma are observed, hematoxylin-eosin X100. (c) Immunohistochemical staining for cytokeratin 7 was positive in luminal cells, X100.

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