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Clinical Challenge | Pathology

An Unusual Outcome After Mastoidectomy QUIZ

Selcuk Mulazimoglu, MD1; Ozan Bagis Ozgursoy, MD1; Sibel Percinel, MD2
[+] Author Affiliations
1Department of Otolaryngology–Head and Neck Surgery, Ankara University Medical School, Ankara, Turkey
2Department of Pathology, Ankara University Medical School, Ankara, Turkey
JAMA Otolaryngol Head Neck Surg. 2016;142(1):93-94. doi:10.1001/jamaoto.2015.2798.
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An elderly man had discharge, hearing loss, granulation tissue, inflammatory mucosa, and a polypoid soft-tissue mass with purulent discharge in his left ear. What is your diagnosis?

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A, Temporal bone at the level of external acoustic canal. M indicates mastoid cavity; J, jugular bulb; C, carotid canal; E, external ear canal. B-D, Histopathologic images. B, Papillary structures; original magnification ×20. C, Papillary and dilated glandular structures; original magnification ×10. D, Strong CK7 positivity; original magnification ×20.

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[Angiosarcoma of the temporal bone]. Laryngorhinootologie 2008;87(5):345-8.
Cholesteatoma invasion into the internal auditory canal. Eur Arch Otorhinolaryngol 2009;266(5):657-62.

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