warthins tumor

Warthin’s Tumor

 

nImaging

 

nWell circumscribed, internally heterogenous, posterior superficial lobe

 

n30% cystic, no Ca++

 

nDDx

 

nLymphoepithelial cyst, benign mixed tumor, low grade adenoid cystic or mucoepidermoid, nodal mets

 

nPathology

 

nAKA papillary cystadenoma lymphomatosum

 

nEpithelial and lymphoid components, 20% multicentric, 5-10% extraparotid

 

nClinical

 

n90% smokers, ?EBV, M:F 3-5:1, 60 yrs, asymptomatic

 

n2nd most common benign parotid neoplasm (mixed tumor 80%)

 

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