FREDERIC B.ASKINMDWILLIAM H.WESTRAMD
A 37-year-old woman presented with a slowly growing mass in the posterior aspect of her right external auditory canal. The mass was occasionally tender and caused subjective mild hearing loss. She denied fevers, otorrhea, facial weakness, or previous surgery. On physical examination, a posterior canal mass was seen obstructing 60% of the external auditory canal. It was soft, compressible, and without purulent debris. The visible portion of the tympanic membrane was intact, and there was no neck mass or lymphadenopathy. The patient’s medical history was significant for diabetes mellitus. T1- and T2-weighted magnetic resonance images demonstrated a 2.6 × 1.0 × 1.0-cm cysticlike mass that appeared to be contained within the soft tissue posterior to the right external auditory canal and was pushing into the external auditory canal.
Stone RS, Devaiah A, Pistey RW. Pathology Quiz Case 2. Arch Otolaryngol Head Neck Surg. 2004;130(11):1337. doi:10.1001/archotol.130.11.1337
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