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Clinical Challenge | Pathology

Infiltrative Right Parotid Mass With Lymphadenopathy QUIZ ONLINE FIRST

Jaxon W. Jordan, BS1; Lance E. Oxford, MD2; Carol F. Adair, MD3
[+] Author Affiliations
1Texas A&M Health Science Center College of Medicine, Dallas
2Department of Otolaryngology–Head and Neck Surgery, Baylor University Medical Center, Dallas, Texas
3Department of Pathology, Baylor University Medical Center, Dallas, Texas
JAMA Otolaryngol Head Neck Surg. Published online April 07, 2016. doi:10.1001/jamaoto.2015.3959
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A man had a right parotid mass infiltrating the overlying facial skin and a postauricular node; MRI showed infiltration into the cartilaginous tissue of the external auditory canal, ipsilateral cervical adenopathy, and possible perineural involvement of the facial nerve. What is your diagnosis?

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Figure.

A, Magnetic resonance image (MRI) of a right parotid mass and pathologic preauricular and retroauricular lymph nodes. B-D, Histopathologic images, hematoxylin-eosin.

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[Kimura's disease of the parotid gland: a case report]. Kulak Burun Bogaz Ihtis Derg 2006;16(1):45-8.
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